See the Jet Drive Kits list. 17. A good setup will get about 80% of propeller speeds when using mid range prop pitch. There is considerable surface on the liner to provide pressure sealing. All outboard manufacturers recommend that you at least inspect the impeller every 100 operating hours or once yearly, whichever comes first. Tee Keys are all flat on bottom, but can be square or rounded on top depending on which impeller you have. Why don’t we make jet drives for less than 25 HP? IN NEUTRAL The impeller will continue to rotate while the engine is in neutral. 70 HP 3-Cylinder (Serial number 9385910 and below) 300/350 (Serial number 1271884 thru 1448139) 400 … The impeller pitch is chosen to provide rated RPM at full throttle regardless of the weight in the boat. This is not used on all motors. Can I put a short shaft on a long shaft motor so I won’t have to raise the transom? Present production provides a flushing inlet where it is possible to do so, depending on the model. Will I lose horsepower if I convert my prop to a jet? Mercury® Jet Outboards are designed with the power and the weight to cover any shallow-water jet boat application. shaft. But be careful, as these custom solutions could be dangerous in some ways, so there are some key factors you have to pay attention to stay safe and legal. Mercury Mercruiser Impeller Key 28-8M0032834 Use with 47-89984 series short vane impeller Fits MCM I/R/MR/Alpha One Some Outboard Applications Replaces: GLM 11070 Sterndrive 98-102-22 Add to Cart Quick view Add to Cart Outside the USA? 28. Outboard engine Jet Turbo 6,5hp 4 stroke with Clutch & Security Key . Unlike the cast aluminum, Mag/bronze and stainless steel impellers are able to handle greater horse power loads and high speed unloading conditions. How much gouging can a liner have before it needs to be replaced? 11. Once the cooling system is full of water… 26. Its compact, light-weight SOHC four-cylinder, in-line design features a single throttle valve and long-track induction system. FAQ for Outboard Jet Boat Maintenance. Shop with confidence - get free shipping to … When you need a new impeller or handling components, your impeller, or entire pump rebuilt, we are ready to help. Pre-Owned. Then reattached the liner and shoe. Wooldridge Stainless Steel Four-blade Impellers improve longevity and performance in outboard jet motors. MERCURY KEY KIT-IMPELLER. The impeller never sticks to the shaft, but the drive key will stick in the impeller. If droplets of water appear, then the seals are leaking and should be replaced. This water 61 product ratings - YAMAHA Outboard Jet Boat Wave Runner diagnostic sofware kit YDS 1.33. Jet Drive 60 hp. The shift arm which attaches to the shift handle may be different for cam gates than for the earlier bell crank. The Mercury Sport Jet pairs a jet drive with a responsive 200hp V6 OptiMax powerhead. The water intake grill slopes down to the rear to give a scooping effect. Filters Make: Omc Component: Pump Unit 245 Jet Drive Clear All . Due to a four to five inch set back when using a jack plate, it is usually necessary to attach a twelve inch wide plate to extend the bottom of the boat back to the jet intake to control water height reaching the intake. Recently I was heading back to the boat launch after a day of fishing on the river. It is a new factory part. or Best Offer. Install the 7 shim washers and nut retainer on the shaft, up against the impeller, and bring the nut up snug by hand. Six studs are held in the main housing with Loctite and fiber lock nuts are used in place of the six mounting bolts. Can we change jet impeller pitch for load or speed? With the impeller removed, the lower unit looks like this. Long use in corrosive conditions may create pin holes in the exhaust tube which builds up back pressure and reduces RPM. Then you can get a pair of pliers on that nut and remove it. C $602.63. Key Features The main thing is to keep grease in the bearing cavity and water out. YAMAHA FOUR-STROKE JET-DRIVE OUTBOARD MOTOR WARRANTY POLICY. It is used to drill a hole and spot face a seat to receive a bolt from above at the rear of the engine midsection. How to replace the water pump / impeller of your outboard motor.For other helpful articles and videos visit: www.rowintel.com On an outboard jet, the impeller is what vacuums up the water, then accelerates it and shoots out a solid stream to provide power. There are very few options available to you in this industry for this … KEY, IMPELLER (NOT AVAILABLE) 90751-921-010. Designed for extreme shallow-water operation, Mercury Jet Outboard models from 25 – 80hp fit a wide range of applications. Then if needed back it off just enough for those bendy flaps to get a good fit. A heavily loaded prop boat using a low pitch prop can haul much more weight than we can. Three thousand feet up and higher requires more HP. Please check the part numbers for your fitment needs. A jet driven outboard works by drawing water into the jet drive unit by an impeller that is driven directly by the engine’s driveshaft. Page 41: Operation OPERATION Important Daily Inspection Before Each Use Any outboard mounted on the boat must have the … A rough boat bottom, keels or damage ahead of the intake can introduce air, as well as setting the motor too high. The Mercury® Sport Jet is the perfect power option when you need to get into the shallows. We prefer a hand held jiffy lube since it does not create high pressure. Add to Cart. … We use all stainless steel hardware and aluminum, but the best way is to remove the jet drive once a year, wire brush the hardware, lubricate with grease or “Never Seize,” and reassemble. Specialty Mfg Outboard Jets Flat Impeller Key For use on marine jet drives, large series. 50 HP 3-Cylinder (serial number BEL 9469199 and below / USA 0D000749 and below) 50 HP 4-Cylinder. The flanged liners eliminate the need for side bolts to hold in the liner. Shallow-Water Champ. Buy It Now. Or call 1-800 BOATING with your serial number, or make, model and year of your engine and speak to an expert to find the right water pump kit. links to useful Outboard Jet Boating Information. FEATURES AND CONTROLS Replaceable Jet Drive Shear Key The jet drive is equipped with a shear key to protect it in the event of a lodged impeller. I hand tighten the bolt until it is tight. Designed for extreme shallow-water operation, Mercury Jet Outboard models from 25 – 80hp fit a wide range of applications. The plastic sleeve impellers will need the woodruff key though, because the pin will dig in quicker. A few days later the parts arrived and I was able to make the repairs. With the washers set right, I folded the flaps back up to hold that nut. Where are my Serial Number and Model Identification Letters located. Use these images to identify the location of your Serial Number and Model Identification Letters. It is not necessary to use an hydraulic jack plate since once the correct height is established for the jet drive, it is not necessary to change it. Outboard Jets equivalent part # is 1705; Purchaser responsible for shipping on returned items due to wrong sizes ordered ; Custom order only, this impeller not stocked in quantity $ 5.25. 115hp . Half-Round Tee Key - (For OutboardJets impellers w/ size medium pumps) quantity. (See earlier question and answer). 13. WE ALSO RECOMMEND. 1 product rating - YAMAHA IMPELLER JET PUMP HOUSING 155 MM WEAR RING LINER REPLACEMENT 2 4 STROKE. More clearance than 1/32 of an inch will drop pressure and performance. Under torque, the key cams itself against the flat on the shaft. FEATURES AND CONTROLS Replaceable Jet Drive Shear Key The jet drive is equipped with a shear key to protect it in the event of a lodged impeller. KEY, IMPELLER (NOT AVAILABLE) 90751-921-010. Home | Contact Us | News. I will combine shipping on other boat parts. Stainless steel impellers work well on motors above 100 HP. Perform annual overall maintenance on your outboard jet if you use it frequently. Dépêchez-vous . The jet drive is highly maneuverable at higher speeds, more so, than propeller driven boats. It is identified by the bolt head relief in the castings for wrench clearance at the six holes. Under torque, the key cams itself against the flat on the shaft. From United States Customs services and international tracking … $400.00 8% OFF $368.00. Excessive RPM is usually caused by air entering the pump. Inflatables with flexible bottoms introduce air. How Long Can I Run My Electric Trolling Motor. The impeller is going need changing, long before the pin will wear into it, anyhow. Tapping it backwards may loosen things enough to allow you to pull the impeller. Does a Jet Ski Have an Outboard Motor? Tohatsu Nissan Genuine OEM Outboard Motor Part Number 332650220M Impeller Key. 31. or Best Offer +$40.00 shipping. There is a plastic bushing which centers the impeller on the shaft. livraison: + 22,20 EUR livraison. Taking You Where the Fish Are. // --> Key, Impeller To Shaft. Suddenly the boat shook, and the power output of the jet dropped significantly. New Listing Outboard Jets 206 Impeller 5 3/4' NOS. Brand New. 0908328 Omc. This will refer you to the pages showing the shift rod and cable mechanisms. Motorcycle, ATV & UTV Parts; Remote Control Box; Engines For Boats; Gas Tanks for Boats. It is usually necessary to bump the impeller counter clockwise on the shaft until the keyway is perpendicular to the flat, (centered over the flat). 0908309 Omc. How do we determine what shifting mechanism (cable or rod) to provide with tiller handle steered motors? Excessive pressure will invert the rubber seal lips and seals will no longer keep water out. Now I simply slid on the new impeller, and its corresponding sleeve and key. You can see the top 3 in the following picture. Call 707-585-9871 Includes new impeller, drive key, face plate with gaskets, "O" rings and seat assemblies. From United States +C $53.55 shipping. Top Rated Seller Top Rated Seller. Check availability . Jet driven outboards were designed to allow boats to operate in very shallow water such as creeks, rivers, or other waterways that are inaccessible to normal propeller-driven boats. You want the gap to be 1/32 of an inch. Unlike propellers, an outboard jet drive at full throttle will turn up to rated RPM even tied to a dock. Mercury® Jet Outboards are specifically designed to pilot boats in shallow waters where propeller-driven hulls are unable to operate. This ground-breaking water jet could jump-start the electric boats revolution Hugo Andreae January 11, 2021 . When you’ve got grooves in the sleeve, water gets sucked around the outside of the blades instead of over them and that will cost you a noticeable amount of horsepower. The water pump keeps the motor within normal operating temperatures. Next the damaged impeller is quite visible. This water is then forced at high pressure and volume through a nozzle directed astern of the boat. Do we have adaptors to fit a particular jet drive to different motors? If it won’t plane, it will not operate successfully in shallow water. Although the approximate balancing of forward and reverse thrust will minimize boat movement, the boat may tend to Inspecting and replacing your impeller is a regular maintenance task for any outboard motor. We have an instruction sheet entitled “Impeller Sharpening” which can be faxed to the customer, or open the Impeller Sharpening pdf. 29. Where to locate this threaded hole is called out on our engineering drawings. Get the TEE KEY, IMPELLER Manufacturercode: 6H1-JD004-34 OEM Yamaha part Aluminum Boat Fuel Tank; Plastic Boat Gas Tank; Portable Boat Gas Tank Early jet drives used a single bearing with two rows of balls. Impeller for Tohatsu outboard 40 50 HP 2 stroke 3C8-65021-2 WATER PUMP. Call Us: 1-800-225-9871. Load has nothing to do with RPM on a jet drive (see question number 4, 11). It takes a little work, but isn’t too hard to have it on. Outboard Jets equivalent part # is 1705; Purchaser responsible for shipping on returned items due to wrong sizes ordered ; Custom order only, this impeller not stocked in quantity $ 5.25. Fits: 30 JET (USA 0C159200-0G589999) 35 HP 2-cycle (USA 6445653 & above, BEL 9384476 & above, CAN 7209608 & above) 40 HP 2-cycle (all 2 cylinder th If the gap is too small, then take the impeller off and move some washers from the below the impeller to above. Small & Medium Jets use #782-square key or #1705-round key. Tohatsu Nissan Genuine OEM Outboard Motor Part Number 309650211M Impeller (NS2.5A-3.5A2) $17.49: 309650220M: 309-65022-0: 309650220M Impeller Key. Does a stainless steel impeller improve performance of a jet drive? $16.89 $ 16. We manufacture over eighty models. JET IMPELLER SUPER SALE . The entire job takes about a half hour. If the parts book shows a flushing bolt and sealing washer, and your early jet drive does not have this, it can be added. YAMAHA Outboard Jet Boat Wave … If it is worn such that all the shim washers are on top of the impeller, and blade clearance is still more that 1/32 inch, the liner and/or impeller need to be replaced. Many impellers are aluminum, which is softer and more prone to wear and chipping than stainless steel. Mercury® jet-drive outboards are specifically designed to pilot boats in shallow waters where propeller-driven … Our 1-liter F60 Jet Drive four stroke produces 40 hp at the pump. Large Jets use #434-square key or #1706-round key Use caution when turning to prevent spin - outs. Pre-Owned. Although the approximate balancing of forward and reverse thrust will minimize boat movement, the boat may tend to 0908329 Omc. From Brazil. What is the best type of boat to use with an Outboard jet? Large Jets use #434-square key or #1706-round key Many of our customers use us for special pplications, or custom impeller work. Using a feeler gauge I then measured the gap between the edge of the impeller blade and the liner. No. If the shift handle is on the side of the motor, it usually requires a shift rod. Available for many pumps on different engine applications, reference your repair manual or the table below to confirm the proper part number for your inboard or outboard engine. When the jet drive is on the motor, set the height so that the leading edge of the intake is flush with the boat bottom. If the shift handle is on the front of the motor or on the tiller handle itself, it usually requires a cable assembly. Search. Since it is necessary to raise the engine about six inches higher when attaching our jet drive, some people use a jack plate instead of fabricating a transom riser block. (Sorry I didn’t get pictures of that). If a cartridge type lever gun is used, it should be pumped gently! Since I was installing a new impeller sleeve I put all those shim washers back on the bottom. The nut, flap washer and a bunch of other washers then slide off easily. The backfit kit allows use of the higher capacity single row bearing in place of the double row bearing. The new type intake uses a liner for 7 3/8. Add to cart. Mercury Mercruiser Impeller Key 28-8M0032834 Use with 47-89984 series short vane impeller Fits MCM I/R/MR/Alpha One Some Outboard Applications Replaces: GLM 11070 Sterndrive 98-102-22 Add to Cart Quick view Add to Cart This OEM part is guaranteed by OMC's limited part warranty FREE Shipping on qualified orders - Boats.net height='320,width=320,scrollbars,resizable'); When the water’s too shallow for propeller-driven boats, turn to a Mercury® Jet Outboard or Sport Jet®. How long does it take to change from prop to jet? At higher elevation, you will lose RPM and may have to drop down one impeller size. The impeller rides on the drive shaft and draws water in, then pumps it up to circulate around the block and head. If it will not move, tap the impeller with a mallet in the opposite direction that it is normally rotating. 12 watchers. There are three reasons your outboard motor's impeller won't pump. And there you go – all done. It make take a little wiggling. We were on plane and going through a shallow riffle filled area of the river. The first is that the water stream fitting -- the outlet hole for an outboard motor's cooling system -- is clogged. Free returns. IN NEUTRAL The impeller will continue to rotate while the engine is in neutral. Use the chart in the brochure which is based on sea level. Unlike boats, which can be powered by inboard or outboard engines, jet skis are manufactured exclusively with inboard engines. Top Rated Seller Top Rated Seller. Not pictured is a plastic sleeve and shaft key that sit between the impeller and the shaft. The shear key can be reached by removing the water intake housing and impeller. Because there's no lower unit extending below the hull, the jet drive permits passage over obstacles that would restrict access to a propeller-driven outboard … This will rise the impeller a little out of the liner. The impeller then can slide off. Top Rated Seller Top Rated Seller. Customer / Dealer Sign In ; Create an Account I bought an Evinrude 90 HP jet outboard motor on an 18 foot John Boat. Insects love to crawl up into it, but once there, they may become trapped and die. SKU: 122-1 Category: Equipment Tag: Tee Key. 45 HP 4-Cylinder. This creates a light, compact, powerful outboard … From out … The early type intakes use liners for 6 5/8, 6 7/8 and 7 3/16 impellers. The leading edge is flush with the bottom of the boat. Aluminum is the best because it is light, easy to repair with minimum maintenance. There is some off center between impeller and liner due to manufacturing tolerances so check at the closest point. Our FourStroke jet outboards are electronic fuel injected, with a range from 25 to 40 horsepower. They were very accessible and easy to remove. Will I have to raise my motor up on the transom for a jet? Present design uses an angular contact bearing with a single row of balls, but with higher thrust capacity. Pre-Owned. Find many great new & used options and get the best deals for Outboard Jets 147 Medium Flat Impeller Key NOS at the best online prices at eBay! Place the plastic sleeve inside the impeller, hold the key in the nose of the impeller with your forefinger and slide onto the driveshaft. About one hour; more the first time, less after you have done it. Outboard Jets Flat Impeller Key Large Qty. If you grease after the days use, so that the bearing is not stored with moisture in it, you can delay replacement until it is convenient. 15 watchers. Watch; H J Z S p o W n D s o r e d M O L 2 Z D. JET PUMP 48V 4HP Outboard Motor Engine Fishing Boat Engine Propeller Drive 1kw. Most people should probably check this gap once or twice a year. 40 HP 4-Cylinder. 21. Since 1968, West Marine has grown to over 250 local stores, with knowledgeable Associates happy to assist. Skip to Content. 3/4 dia. Thank you for shopping at GreenBayProp!! A light weight prop boat using a high pitch prop can run twice our outboardjet speed. Genuine TOHATSU Annual Service Maintenance Kit. Once removed the shoe and impeller liner easily slide off. From Brazil. $5.85: 334650210M: 334-65021-0: 334650210M Impeller (9.9B2-18E2 & 9.9/15/20 4-STROKE) Tohatsu Nissan Genuine OEM Outboard Motor Part Number 334650210M Impeller (9.9B2-18E2 & 9.9/15/20 4-STROKE) $22.92... more info: 345650210M: 345-65021-0: 345650210M Impeller(25B - 40C) Tohatsu Nissan Genuine OEM Outboard … I contacted OutBoard Jets and got their recommendation for replacement parts and placed an order. It is not intended to be a thorough repair guide, and I’m not a mechanic, so follow this information at your risk. $6.00 8% OFF $5.52. Get to the Fish, Fast. C $680.63. Before Operating Your Outboard Read this manual carefully. Dépêchez-vous . Watch; X S p o H D n s 5 o 7 r e d E … Flexible water pump impellers are the key to keeping your engine block cooled during operation. RPM hardly varies between a heavy load and running fast with a light load. Then test the boat and adjust the height, if necessary, as high as possible without air entering the pump and causing cavitation (slippage). mercury yamaha suzuki Johnson evinrude outboard jet 22626 R . There isn’t a lot of information about how to repair outboard jets online, so I’m sharing a few pictures and my experiences. Brand New. Need Help? Your Price: $5.13. You won’t have difficulty after that. The clearance is approximately 1/32 of an inch (.03125). But, just a word to the … The Evinrude marine outboard motor uses a water pump in the lower unit case to circulate water through the engine passages and manifold. The impeller never sticks to the shaft, but the drive key will stick in the impeller. $200.00 8% OFF $184.00. Backing the boat into some fresh water is the only solution. We have a manual jack plate, part no. They give less slippage on start up and therefore can pickup a heavier load. What can cause RPM to be too low or too high? Results for Impeller. WE ALSO RECOMMEND. Salt water is murder. We choose an impeller that gives rated factory RPM at full throttle. 27. Weight is important. Buy It Now ... NEW OUTBOARD JET PUMP IMPELLER PROP LOWER UNIT JET ENGINE SPECIALTY MERCURY. Green Bay Prop offers the most used Stern Drive & Outboard … C $65.62. If the gap is too big, then take the impeller off and move some washers from above the impeller to below. Outboard engine Jet Turbo 6,5hp 4 stroke - With Clutch and Security Key. From Poland. 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. Mercury sport jet sportjet drive pump impeller gear housing 8202531 90 HP 1993. Can you use any other grease besides Lubriplate 630 AA and why do you recommend against using a lever type grease gun? The shear key can be reached by removing the water intake housing and impeller. Top speed of, maybe, one to two mph or better. The height is approximately six inches higher than with a propeller. ... 96148T1 pump impeller plate screw key = mariner mercury 200hp (2 4h) Pre-Owned. livraison: + 15,54 EUR livraison. From out vantage inside the boat we could detect any damage, and managed to get back on plane and to the launch – but the motor definitely had to work harder than usual. Gouging from gravel is normal. Here's how I changed out all the parts to my lower jet unit 30. This Genuine Tohatsu Kit Includes Water Pump Impeller & Dowel Pin Key. 13,31 EUR. Menu Skip to content 14. Small & Medium Jets use #782-square key or #1705-round key. From United States. Buy It Now. The model letter designation will fit only those motors listed in our jet drive kit list. 19,43 EUR. 89. Suddenly the boat shook, and the power output of the jet dropped significantly.