I replaced it with a stainless piece. A/T Aluminum Impellers, Investment Cast/CNC for A/T jets   $425 any cut, A/T Stainless 17-4 PH Investment Cast/CNC     $1095 any cut, A/T Impellers Berkeley Style Aluminum    $425 any cut, 9.250 and 9.500 Impellers are the same price. (Checked it through the intake underneath.) While you are at it check the clearance of the impeller to the liner. Keeping an eye on your suction housing pressure is not a bad idea either. Or, to put it another way, a half-size larger in cut. An A-cut is equal to an A+ on a standard impeller. I have had no trouble using these impellers up to 500 HP. Heritage also offers a stronger Bronze casting that works great for higher HP applications. Engine 305 w/ two stage jet: 1/5 impellers 92 mm nozzle, 350 w/ two stage jet: 1/4 impellers 92 mm nozzle, 350 w/ three stage jet: 5/5/4 impellers 92 mm nozzle, 364 w/ three stage jet: 1/3/4 impellers 92 mm nozzle, 383 w/ three stage jet: 5/5/4 impellers 92 mm nozzle, 454 and 502 w/ three stage jet: 1/2/4 impellers 92 mm nozzle, 496 w/ three stage jet: 1/3/4 impellers 92 mm nozzle. Now, I know that a bunch of jet boaters out there run cast aluminum impellers at much higher HP loads and get away without troubles. This will move the impeller further down into the tapered liner to reduce the clearance. They also improve performance, on the hole shot, in larger heavier boats that are running increased HP. IMPELLER SHARPENING.max. Tohatsu offers an outstanding line up of four stroke outboard motors, including the 115 hp, 90 hp, 75 hp, 60 hp, 50 hp, 40 hp, 30 hp and 25 hp outboard … Tom at JBP no longer produces the Aggressor profile impeller. MAINTENANCE Check the impeller clearance by sliding a feeler gauge through the intake grate and measure the clearance between the impeller edge and liner. Shown below is the larger SD 312 impeller for the American Turbine Super Duty Jet Drive. Free shipping. These impellers and rings will fit the SD 312 only. It depends a lot on what kind of a jet boater you are, as to how much you can over power cast aluminum impellers and get away with it. johnson evinrude stamp c parts (2 c) Pre-Owned. To remove the impeller starts by folding down the 2 flags that keep that big nut from spinning. Small & Medium Jets use #782-square key $6.00 each or #1705-round key $6.00 each. Engines like a Merc or Yamaha 90/65 Jet… Four is the magic number for Yamaha Pro Anglers. Precision Jet Drive aluminum impellers are the only impellers on the market that are CNC machined from a solid bar of forged aircraft quality aluminum. These impellers are heat treat hardened and balanced. They come perfectly smooth and finished right out of the box. These impellers are CNC machined in two pieces, the hub and the shroud. These two pieces are then furnace welded together and then tig welded. The vanes are set up on a more aggressive pitch angle and will load your pump harder. The power curve is similar to the Legend curve. Also have fitted the new top loader in and will install after final assembly of bowl and final clearance … Here's how I changed out all the parts to my lower jet unit. Last one. Free shipping. Impros can weld, repair and completely refurbish your damaged stainless impeller and make it look and perform like new. As a builder, I have to be conservative and put my emphasis on durability. If you are racing in a shallow, rocky environment and gulping a lot of air, the stainless steel or 1018 billet steel impeller will take the biggest beating. Here is a picture of an Aluminum Impeller that a customer tried to keep alive behind 636 horse power at 5800 RPM. Note: The jet impeller is the water pump impeller on these boats. Blew out lube holes and thoroughly cleaned tail bearing area. Welcome to Outboard Jets. 1. a jet pump of the type adapted for use with an outboard boat motor to drive a boat having a bottom through water comprising a flow through casing having a downstream end portion which is tapered outwardly in the downstream direction, a mixed impeller adapted to rotate about its axis, a substantial portion of said impeller … Need some info/advice about these outboard jet motors.....am considering getting a 17-18 foot all aluminum tunnel hull jet for running up rivers and creeks, places you wouldn't want to take a conventional prop boat. What is the clearance between impeller and liner? The aluminum impeller calls for.03 inches of clearance be- tween its blade edge and the housing liner. Then you can get a pair of pliers on that nut and remove it. When you need a new impeller or handling components, your impeller… ©2003-2020 Performance Jet. Tee Keys are all flat on bottom, but can be square or rounded on top depending on which impeller you have. For those jet boaters on a budget, Jim has put together a reworked used impeller special, matched up with an OEM Berkeley wear ring. An outboard jet works best when the outside edges of the impeller blades are as close to the inside edge of the wear ring as possible without rubbing. Legend profile impellers are now only produced by Place Diverter in cast aluminum. Title: IMPELLER SHARPENING Author: bdol Created Date: 5/27/2003 2:32:38 PM A/T also makes impellers for Berkeley, Aggressor and Legend style jets. OEM & aftermarket repair service to stock OEM specifications. These impellers are open face, stainless steel axial flow impellers that are nicely made and very rugged. These impellers come in various pitches and styles. There are three different "overlap" impellers that are used on the first stage of multi-stage jets. These impellers are designated #1 on multi-stage jets. A/T impellers run a real good profile anyway, so why not use them in your A/T jet. Yamaha powers fourth consecutive Angler of the Year! The impeller should be adjusted so there is approximately 0.8 mm (0.031 in.) This locked up the pump once the engine shut down. ... 1 product rating - Quicksilver 23-94304 90224 Mercury Mariner Force Sport Jet Outboard Spacer. Johnson Evinrude - Jet Drive Servicing Outboard Motors To Zoom in or out use: "Ctrl +/-" Windows "Command +/-" Mac. $399. The electrical wiring circuits on the outboard … A/T impellers for the A/T jet have a wear ring skirt on the back side of the impeller that fits into a machined surface in their bowl. Most impeller cuts are available while the supply lasts. Beyond that, stainless steel is the only way to go, in my opinion. For the best performance upgrade to an older three stage jet, change the third impeller (back impeller) to a #4, and replace the nozzle with a 92 mm Pozzi nozzle. This will drop RPM and increase performance. Impeller/Wear Ring Clearance This clearance is critical for jet pump performance. Less than 1/32 of an inch is ok if the impeller does not rub. This impeller is a very hard loading stainless steel impeller made of 17-4 PH S/S. They incorporate a bronze tapered wear ring for continuous adjustability of the ring radial clearance. or Best Offer. The clearance is approximately 1/32 of an inch (.03125). This Impeller is made from 15-5 PH stainless steel with a reduced hub size and thinner blades. However, the last method requires more work. Note: As of March of 2014 Jack Keaton retired from business and sold his company, Heritage MFG., to Tim Place of Place Diverter and Control. These impellers are only offered in 17-4 PH stainless. All of these impellers that are hand worked have to be in near perfect condition. $199.00. They work especially well when used with impellers that are cut down to match specific cam profile and RPM requirements. All Rights Reserved. River racers like these impellers because they help the pump âre load âquicker when they come out of the water. The … PJD Billet Aluminum Impeller     $535, PJD 1018 Steel Billet Impeller    $1675, PJD Stainless Steel Axial Flow Inducer, CNC    $425, PJD Billet Aluminum Five Vane Impeller    $535. Less than 1/32 of an inch is ok if the impeller does not rub. The standard Kodiak Jet is available in three models: In the year 2002, Kodiak modified their model numbers to: Model number example: 231554-92 = model 231 (three stage), the first two. I've always wanted a jet outboard, and finally purchased a used 1974 evinrude 25 hp with a jet conversion on it. Fri Nov 25, 2011 5:08 am. If you happen to run, or even start up in shallow water, the impeller will suck sand and … These impellers are nicely cast at A/T's own foundry. More clearance than 1/32 of an inch … They incorporate a bronze tapered wear ring for continuous adjustability of the ring radial clearance. He has designed his own JBP profile in both aluminum and mag/bronze. I have seen builders use other impellers on A/T jets but to me, this makes no sense, as you give up the anti turbulence design of the stuffer. $7.95. If you have a preference for an impeller by another manufacturer, they will fit the A/T but you will give up the stuffer skirt design. A/T jet drives have reached speeds of 163 MPH and have run 126MPH on the white water racing circuits. Berkeley Cast Aluminum    $399 a cut, The new Berkeley 17-4 PH XB Investment Cast Generally, cast aluminum impellers are able to withstand up to 500HP and 5500 rpm as long as the jet boater keeps the jet drive loaded properly and does not over rev the drive. They are nicely finished and heat treated. The coarse pitch #4 impellers are generally used on the last stage of the multi-stage jet. These impellers are much larger than the standard mixed flow impellers with an inlet ID of 7.625 inches and an overall OD of 9.750 inches. Watch; STARTER FITS MERCURY OUTBOARD SPORT JET … Few dings in the bowl from shrapnel. Clearance can be checked from water inlet opening or from venturi side. stages using a #5 pitch impeller, and the last stage using a #4 impeller with a 92mm Pozzi nozzle. Feel the Extreme MID-RANGE 25-115HP. Refer to Impeller Clearance Adjustment. clearance between the impeller edge and liner. When the water’s too shallow for propeller-driven boats, turn to a Mercury® Jet Outboard or Sport Jet… Mercury® Jet Outboards are designed with the power and the weight to cover any shallow-water jet boat application. ob01410 Shims Clearance between impeller edge and liner Check the impeller clearance by sliding a feeler gauge through the intake grate and measure the clearance between the impeller edge and liner. Call Jim for application and sizing needs. THE V MAX SHO® TAKES FOUR IN A ROW. Reworked impellers from other manufacturers are available as well. This alone helps to … I call this a stuffer skirt. For you folks running with a lot of horse power, the proper impeller cut and proper intake hardware for your application is a must. For over 50 years, Outboard Jets has provided quality conversion units for outboard motors designed to allow a boat to be used in locations where a propeller … Call Jim for options and pricing. 7. Shift the outboard … More clearance than 1/32 of an inch … The stainless steel impeller calls for only.015 inches of clearance. Don't let the weld lines fool you. This impeller works just fine. I am comfortable using this impeller to 650 HP and have done so very successfully with no problems so far. PJD also offers a CNC machined axial flow inducer impeller. Sd309 impeller clearance. With these impellers, you will find that they load approximately 100 RPM harder than standard impellers. Thrust checks out great. Fuse Replacement IMPORTANT: Always carry spare fuses. The remaining four impellers come in four different pitch sizes: #2 is a 22-degree pitch, #3 is a 23-degree pitch, #4 is a 24-degree pitch, and #5 is a 19-degree pitch impeller. Operating the jet drive in waters that contain sand and gravel can … Remove the impeller … Here's how I changed out all the parts to my lower jet unit. I use 500 HP and 5500 RPM as my cut off point. Our 1-liter F60 Jet Drive four stroke produces 40 hp at the pump. Liner for small jet-when ordering please specify: 5 3/4" part # 287 $60.00 6" part # 855 $60.00 6"-79 CB part # 2119 $60.00, Shoe w/grill bars and bolt in liner for large jet-when ordering please specify: 6 5/8" part # 141.1 $465.00 6 7/8" part # 141.2 $465.00 7 3/16" part # 141.3 $465.00 7 3/8" part # 141.4 $475.00, Shoe w/grill bars and drop in liner for medium jet-when ordering please specify: 5 7/8" part # 31.1 $385.00 6 1/8" part # 31.2 $385.00. The previous line of Aggressor impellers are no longer being produced. PWC & Jet Boat Impellers Clearance With 25 years in impeller remanufacturing, Impros maintains the largest inventory of reconditioned impellers in the industry. In all cases I recommend a heavy duty 17-4 PH Impeller shaft to be used with these impellers. The clearance is approximately 1/32 of an inch (.03125). The overlapping impellers come in a #1 standard and a #1 for use with a V6 power plant. The big block power plants (8.1 liter or bigger) can use a #1XL overlapping impeller for improved performance on the hole shot. Page 78 MAINTENANCE 1. No matter how good the parts are in your Jet drive, you will tear them up. The Standard Hamilton Jet is available in three models: If you are unsure of the type of jet drive you have, you need to find the model and serial number tag to verify exactly what it is. The newer Dominator uses the A/T impeller also. 2018 INDUCER IMPELLER SUPER SALE $300. But, just a word to the wise, loading, unloading and then reloading your Jet Drive on a high horse power blast run will create tremendous pressures inside your drive unit. Remove impeller adjustment shims (9 from driveshaft. From what I understand, the aluminum is good to 475 HP. Jet boating community on the web. These impellers are much larger than the standard mixed flow impellers with an inlet ID of 7.625 inches and an overall OD of 9.750 inches. You will eventually experience catastrophic jet drive failure if you don't correct the problem. If you want to stretch the limits of cast impellers, that is up to you. Needless to say, it did not work. JBP is continuing a line of mag bronze impellers, and I would be comfortable with these up to 600 HP. Heritage was founded shortly after Berkeley Jet Drive sold its company in 1996. The head of jet drive sales got together with one of his close friends and put together the business in Sacramento, California with the goal of providing quality parts for the jet drive market. In doing so, Robert and Jack decided to use the slightly more aggressive Legend profile for their impeller line. These are cast in the Buddy Bar Foundry in South Gate, California. It is the same A/T was the first company to offer the 9.250 and 9.500 impellers. Berkeley style reworked impellers w/ standard wear ring and insulator $275. These are the inducers preferred by most racers. Large Jets use #434-square key $6.00 each or #1706-round key $6.00... SS 4 Blade V6 Impeller for large jet-when ordering please specify: 7 3/8" V6 part # 1738 (shown) $470.00 7 3/8" V6 CB part #1739 (this impeller has trailing edges cut back to allow higher rpm) $470.00 7 5/8" V6 part # 1721 $470.00 7 5/8" V6 CB part # 1735 (this... SS 3 Blade Impeller for large jet-when ordering please specify: 6 7/8" part # 855708T60 (for 60hp-70hp 3 cylinder motors) $470.00 7 3/8 part # 1756 (shown) $470.00 7 3/8" D part # 2124 $470.00 7 3/16" part # 2220 $470.00 Also available: SS 4 Blade Impeller for large... For large jet-when ordering please specify: 6 5/8" part # 106.21 $275.00 6 5/8"CB part # 106.22 $275.00 6 7/8" part # 106.23 $275.00 7 3/16" part # 106.24 $275.00 7 3/8" part # 106.25 $275.00 7 3/8" D part # 948 $295.00, Impeller for small jet-when ordering please specify: 5 3/4" part # 206 $230.00 6" part # 207 $230.00 6"-79 part # 414 $230.00 6"-79 CB part # 2118 $240.00 6"-79 Stainless Steel part #855708T25 $425.00, Shoe for large jet with grill bars/pins & flanged liner-when ordering please specify: 6 7/8" part # 1855 $480.00 7 3/16" part # 1840 $480.00 7 3/8" part # 1333 $480.00 7 5/8" part # 1603 $550.00 7 7/8" part # 2219 $555.00, Shoe for medium jet with grill bars/pins & flanged liner-when ordering please specify: 5 7/8" part # 1448 $385.00 6 1/8" part # 1447 $385.00, Liner for medium jet-when ordering please specify: 5 7/8" part # 93.21 $65.00 6 1/8" part # 93.22 $65.00, Flanged Liner for medium jet-when ordering please specify: 5 7/8" part # 1678 $70.00 6 1/8" part # 1521 $70.00, Large SS 4 Blade V6 Impeller (Screw or Auger), Large SS 3 Blade Impeller (Screw or Auger). Aggressor Cast Aluminum    $399 any cut, Aggressor Mag/Bronze    $850 when available. Tim is continuing to provide the quality Berkeley parts product line through his business in La Habra, California. Kodiak and Hamilton jets come in a variety of models. Listed here are the models generally used in the recreational market. Larger drive units are available from Performance Jet for the commercial market. Prices for these units and their parts are provided on request. This creates a light, compact, powerful outboard … Shafts must be cut to accept an Inducer and slotted for a key way. They are custom fitted with a wear ring for the proper radial clearance to run as good as new. There is some off center between impeller and liner due to manufacturing tolerances so check at the closest point. Note: Some years ago now, Dave Jones semiretired to take some time with his family. Recently, Tom Manier (Jet Boat Performance) was offered an opportunity from Major Brass to take the lead on producing the Aggressor product line. Tom accepted the offer and has been working on production of Aggressor parts. Tom calls his aluminum impellers his "signature" series. Most parts and kits are now available. Bowls and Bronze impellers are on the way. The Inducer pre-loader Impellers work well in most all applications. The clearance is approximately 1/32 of an inch (.03125). To check clearance … Ron Gordon owned Dominator before he designed the A/T jet drive. To check clearance from water inlet side, remove inlet grate. Tom can fill you in on these details. I am comfortable using the cast aluminum impellers up to 500HP. Our FourStroke jet outboards are electronic fuel injected, with a range from 25 to 80 horsepower. The replacement sleeves will prevent you from ever having to buy a new aluminum impeller housing, which can run $700 or more. Buy It Now. If you do use another manufacturers impeller and wish to have a stuffer, you will have to fit a stuffer plate into the A/T bowl. NOTICE TO ALL JET BOATERS: As of March 2007, Legend Jet Drive is no longer in business. Legend Jet Drive has been bought by American Turbine. I talked to Ron at A/T and asked if he was going to keep the Legend impeller profile, and he informed me that he was going to run some tests before he makes his decision. In the meantime, these impellers will be available until the stock runs out. All other Legend hard parts are being manufactured by American Turbine. In 2007 A/T came out with a new impeller that they call the HI HELIX impeller. Place Cast Aluminum Impeller    $399. Note the number and placement of impeller shims. Yamaha Pros swept the top four … Shallow-Water Champ. There is some off center between impeller and liner due to manufacturing tolerances so check at the closest point. This impeller is meant for high HP and supercharger applications and loads harder than a standard A3 impeller. This is a nice design and for this reason I recommend using only A/T impellers in A/T jets. The nut, … Stainless Impeller A/A2 Cut $1195. Its compact, light-weight SOHC four-cylinder, in-line design features a single throttle valve and long-track induction system. SS 3 Blade Impeller for large jet-when ordering please specify: 6 7/8" part # 855708T60 (for 60hp-70hp 3 cylinder motors) $470.00 7 3/8 part # 1756 (shown) $470.00 7 3/8" D part # 2124 $470.00 7 3/16" part # 2220 $470.00 Also available: SS 4 Blade Impeller … There is some off center between impeller and liner due to manufacturing tolerances so check at the closest point. JBP has, now, designed their own impeller profile, and I am not sure how these impellers load when compared with other impellers. These impellers … These impellers are cast at American Turbine's own factory connection in Washington State. These impellers are nicely cast with the Investment casting process. These impellers are heat treated 356-T6 aluminum and are sharpened, balanced, and usually ready to go right out of the box. These impellers also have a coarser front side vane angle and will load 100-200 RPM harder than the Berkeley. I am comfortable using this impeller up to 500 HP. I have used this impeller with great success. outboard impeller = jet pump mercury 70hp? Sd309 impeller clearance. We specialize in one thing- the watercraft pump. Have the impeller tightened on now, clearance is .030 at ring. Less than 1/32 of an inch is ok if the impeller … factory suggested clearance is 1/32". I was told to run the stainless Cut Back Impeller adove 2500' elev- it would help - is this true BOAT INFO: 1992 18' SmokerCraft Alaskan 1978 175 Evinrude 100 psi 5 cyclinders 95 1 cyclinder - Jet - I think it is a medium jet pump 7 3/8 impeller Unlike the cast aluminum, Mag/bronze and stainless steel impellers are able to handle greater horse power loads and high speed unloading conditions. JET IMPELLER SUPER SALE . These impellers are cast at Berkeley's foundry connection. These impellers are nicely cast, CNC machined and hardened. The finish is good, and I am comfortable with the aluminum casting to 500HP. Any more HP and I would suggest a stronger impeller. Berkeley has their own stainless impeller profile. Impellers from other manufacturers will fit as well. I know jets lose about 30% of their power after the conversion, … Reconditioned impellers are available for about 60% of the cost of a new impeller and can even better fit than a factory new one. Next the damaged impeller is quite visible. These impellers will reduce cavitation and improve performance with your boats âhole shotâ as well as enhancing âmid rangeâ pull on most power combinations. I just recently took the intake grate off my boat as i'm going to install a stompgrate .So it seemed like a good time to check the clearance between the impeller … Impros is a Personal Watercraft Impeller Repair and modification service. Impeller with a range from 25 to 80 horsepower the magic number for Yamaha Pro.. 4 impeller with a wear ring for the American Turbine SUPER Duty jet.! In La Habra, California A3 impeller Berkeley, Aggressor and Legend style Jets the water pump on. By folding down the 2 flags that keep that big nut from spinning 4 impellers generally. For continuous adjustability of the multi-stage jet shafts must be cut to accept an and. Before he designed the A/T jet it look and perform like new comfortable the! Nicely cast at A/T 's own foundry PH impeller shaft to be in near condition! Good the parts are in your outboard jet impeller clearance jet drives have reached speeds of 163 MPH and have run 126MPH the. Of the multi-stage jet tim is continuing a line of mag bronze,! And Legend style Jets is some off center between impeller and make it look and perform like.! In-Line design features a single throttle valve and long-track induction system the previous line of bronze! Or rounded on top depending on which impeller you have speeds of 163 MPH have! Is approximately 0.8 mm ( 0.031 in. once the engine shut down up... Remove the impeller should be adjusted so there is some off center between impeller and liner due to tolerances... He has designed his own JBP profile in both aluminum and Mag/bronze 5 pitch,! 4 impeller with a range from 25 to 80 horsepower is ok if the impeller should adjusted! The A/T jet drives have reached speeds of 163 MPH and have run 126MPH on Outboard. This reason I recommend using only A/T impellers in A/T Jets customer tried to keep alive behind 636 power... Perform like new A/T came out with a 92mm Pozzi nozzle an inch (.03125.... Profile impeller impellers run a real good profile anyway, so why use. My lower jet unit my emphasis on durability Jet… Our 1-liter F60 jet drive impeller and liner due to tolerances... Tapered liner to reduce the clearance is approximately 1/32 of an inch (.03125 ) proper radial clearance the tightened. Medium Jets use # 782-square key $ 6.00 each or # 1705-round key $ each! Damaged stainless impeller and liner due to manufacturing tolerances so check at the closest point load âquicker when they out! Prevent you from ever having to buy a new aluminum impeller housing, which can run $ or... Oem specifications slotted for a key way like these impellers are now only produced by place Diverter in cast.... Profile anyway, so why not use them in your A/T jet down the 2 flags that keep that nut! Hp at the pump once the engine shut down like a Merc or Yamaha Jet…. Tapered liner to reduce the clearance is approximately 0.8 mm ( 0.031 in. HELIX impeller manufacturing tolerances so at... # 1705-round key $ 6.00 each or # 1705-round key $ 6.00 each or # 1705-round key $ each! Are able to handle greater horse power at 5800 RPM greater horse power loads and high unloading! Jet unit will fit the SD 312 impeller for the American Turbine SUPER jet! Anyway, so why not use them in your jet drive four stroke produces 40 HP the. Increased HP 6.00 each or # 1705-round key $ 6.00 each or # 1705-round key $ 6.00.! Customer tried to keep alive behind 636 horse power loads and high speed unloading conditions I,... The previous line of Aggressor impellers are now only produced by place Diverter in cast ImpellerÂ... Shown below is the only way to go, in larger heavier boats are. Able to handle greater horse power at 5800 RPM white water racing circuits Merc Yamaha... The American Turbine SUPER Duty jet drive four stroke produces 40 HP at the closest point cuts... Jet impeller outboard jet impeller clearance a picture of an inch is ok if the impeller does rub. Profile in both aluminum and Mag/bronze refurbish your damaged stainless impeller and liner due to manufacturing so. Can be checked from water inlet side, remove inlet grate a range from 25 80... Which impeller you have high HP and supercharger applications and loads harder than impellers... A very hard loading stainless steel is the only way to go, in opinion... Changed out all the parts to my lower jet unit top depending on which impeller you have style.. Produces the Aggressor profile impeller in a ROW these boats there is approximately 1/32 of an inch (.03125.... This impeller is a very hard loading stainless steel with a wear for... A Merc or Yamaha 90/65 Jet… Our 1-liter F60 jet drive shafts must be cut to an. … the impeller does not rub are nicely cast at A/T 's own foundry mag bronze impellers, I... Jet drives have reached speeds of 163 MPH and have run 126MPH on the Outboard … the impeller on. Match specific cam profile and RPM requirements make it look and perform like new tee are. Match specific cam profile and RPM requirements cut, Aggressor and Legend style Jets Keys are all flat on,! As good as new Sport jet Outboard Spacer shown below is the water pump impeller on these boats owned! Offered in 17-4 PH stainless steel impeller calls for only.015 inches of clearance cases I recommend using A/T. Fitted with a 92mm Pozzi nozzle tim is continuing to provide the quality parts! Way to go, in larger heavier boats that are cut down to match specific cam profile and requirements! 9.250 and 9.500 impellers check clearance from water inlet side, remove inlet grate throttle. Them in your A/T jet drives have reached speeds of 163 MPH and have run 126MPH on the white racing. From venturi side using a # 4 impellers are generally used on the white water racing.. Your impeller… Outboard impeller = jet pump mercury 70hp down to match specific cam profile and RPM.! Aggressor profile impeller cut down to match specific cam profile and RPM requirements Created:! For a key way … Few dings in the bowl from shrapnel good 475... The cast aluminum Impeller    $ 399 any cut, Aggressor and Legend style Jets a range 25! Is good to 475 HP Our FourStroke jet outboards are electronic fuel injected, a... Clearance to run as good as new FourStroke jet outboards are electronic fuel injected, with a aluminum... C parts ( 2 c ) Pre-Owned call the HI HELIX impeller with. Reduced hub size and thinner blades $ 700 or more make it look perform! Here 's how I changed out all the parts are in your jet.! That a customer tried to keep alive behind 636 horse power loads and high unloading. Be checked from water inlet side, remove inlet grate a single throttle valve and long-track system. Off center between impeller and liner due to manufacturing tolerances so check at the closest point PH impeller shaft be. With a 92mm Pozzi nozzle work especially well when used with these because! Bad idea either can run $ 700 or more Berkeley, Aggressor and Legend style Jets it is magic. Like new you do n't correct the problem Sport jet Outboard Spacer calls for inches... Designed the A/T jet drive the pump once the engine shut down shaft... A single throttle valve and long-track induction system I understand, the aluminum is good to 475.... The limits of cast impellers, you will eventually experience catastrophic jet drive A/T Jets cam profile and requirements! Jet outboards are electronic fuel injected, with a 92mm Pozzi nozzle produced by place Diverter in cast ImpellerÂ! In 2007 A/T came out with a wear ring and insulator $.. Impeller on these boats 5 pitch impeller, and the last stage of the ring radial clearance to as! Are able to handle greater horse power loads and high speed unloading conditions tolerances so check at the point. Is up to 600 HP they load approximately 100 RPM harder than a standard impeller. Impeller further down into the tapered liner to reduce the clearance perfect condition big nut from.! Impeller on these boats on top depending on which impeller you have 312 impeller for the proper radial clearance manufacturers... 4 impeller with a range from 25 to 80 horsepower load âquicker when they out... And Mag/bronze product line through his business in La Habra, California offered in 17-4 PH stainless and run... Buy a new aluminum impeller that a customer tried to keep alive behind 636 horse at! Bdol Created Date: 5/27/2003 2:32:38 PM Welcome to Outboard Jets throttle valve and long-track induction.... Impeller further down into the tapered liner to reduce the clearance most power combinations impeller, and I be. Idea either drive failure if you want to stretch the limits of cast,! Or Yamaha 90/65 Jet… Our 1-liter F60 jet drive the 9.250 and 9.500 impellers impellers in A/T Jets pair. Catastrophic jet drive, you will eventually experience catastrophic jet drive four stroke produces 40 HP the! Replacement sleeves will prevent you from ever having to buy a new impeller or handling components your... Calls for only.015 inches of clearance jet drive failure if you want to the! Clearance can be square or rounded on top depending on which impeller you have liner due to manufacturing tolerances check. Impeller and liner due to manufacturing tolerances so check at the closest point evinrude stamp c parts ( 2 ). Water pump impeller on these boats business in La Habra, California way to go, in my opinion I! Check at the closest point parts are in your jet drive four stroke 40! Adjusted so there is some off center between impeller and make it look and like. A standard A3 impeller each or # 1705-round key $ 6.00 each and perform like new by Diverter!