While we do not bring in a lot of jet drives every complete jetdrive or part is disassembled inspected and reassembled prior to listing for sale. He purchased the drive prop and both lowers have the water pump assembly on them for easy in swap.
When the time comes to perform maintenance or repairs we offer a large selection of Jet Drive parts including Yamaha 40 HP Jet Drive parts Jet Drive 90 parts Yamaha Jet Pump rebuild kits Water Pumps and Assemblies and more.
Yamaha jet drive lower unit. There are several variations of the mounting flange on the same basic housing so in reality there is a different pump housing for each different midsection. As long as your midsection mounting patern and adapter plate for the pump match up you can swap the jet unit on to another engine of higher or lower hp. The switch in impeller diameter is between the 50 and 60 prop hp motors.
The following describes special considerations involved in replacing your lower-unit. We will help verify information before shipment. Yamaha 4 stroke jet drive kits.
4 stroke motors need pressure relief hole in cooling pump housing. Jet Drive 115 hp. Our 18-liter F115 Jet Drive four stroke produces 80 hp at the pump.
Its compact light-weight DOHC design features 16-valves with four valves per cylinder and long tube intake tracks. This produces ample power for deck boats and deep-V hulls navigating shallow rocky rivers. The main consideration is the requirement to remount your outboard 5 to 6 inches higher to facilitate the shallow running outboard jet drive.
This can be done with an outboard jack plate or transom bracket. This method will allow you to change the outboard jet back to propeller drive as required for conditions. The following describes special considerations involved in replacing your lower-unit.
We will help verify information before shipment. Yamaha 2 stroke jet drive kits. A refundable core charge of 300 f or all Yamaha Lower Units will be added to your cart.
YAMAHA 758090100 HP 1999 - 2015 4 Stroke. YAMAHA F115 HP 2000 - 2013 4 Stroke. YAMAHA F150 HP 2004 - 2015 4 Stroke.
When the time comes to perform maintenance or repairs we offer a large selection of Jet Drive parts including Yamaha 40 HP Jet Drive parts Jet Drive 90 parts Yamaha Jet Pump rebuild kits Water Pumps and Assemblies and more. Looking for more Jet Drive parts. Shop our Yamaha Jet Drive Pump Parts catalogs for years 2006-2014 and more from 40HP to 200HP models.
By using our Yamaha Jet Drive. Water is drawn into the unit through an intake grill by an impeller driven directly by the engine driveshaft. This water is then forced at high pressure and volume through a nozzle directed astern of the boat.
The velocity imparted to this mass of water creates an opposite force and drives the boat forward. We offer Jet Drive Kits for most motors. Jet kits come with all the hardware you need to convert your motor to a jet.
You will need to use the water pump off of your existing lower unit Using our Jet Drive Kit Search Box find the kit for your motor. Designed to protect the jet drive from damage caused by branches stones and other large objects. Jet Wolf Intakes are made of polyurethane hardness of 92 units on Durometer A scale which is characterized by wear resistance and high amortization rates.
The grill bar grill rods and the embedded ring instead of washers are made of HARDOX450 steel. Jet Drives Pricing. Mercury Blue Binder 2021-2022.
Honda Blue Binder 2021-2022. While we do not bring in a lot of jet drives every complete jetdrive or part is disassembled inspected and reassembled prior to listing for sale. View Jetdrives Parts.
Sterndrive Ignition Electrical. We have a growing list of sterndrive parts. When possible parts are tested inspected cleaned and sold as bolt and go parts for your motor.
Whether its your first time owning a Yamaha outboard motor or youre a seasoned expert its important to get familiar with the lower unit. If this is the first youre hearing about it weve got you covered. At Yamaha Online Parts we understand the importance of keeping your engine functioning and performing for years to come.
Yamaha - Lower Unit Care with Steve Pennaz. Steve Pennaz - Lower Unit Care. I had a Yamaha 175 hp and would switch between propjet units several times a season and used a combination hydraulic likt and a bay kit adapter.
You can accompish this by either unbolting the engine and movnig it updown requres 2 sets mounting holes which is a pain or you can add a high lift adapter to raiselower the engine with electricmanual hydraulics. Yamahas new Four Stroke 70 hp jet outboard on a SeaArk 1660 Jon Boat filled with cargo. Great fuel economy and great speed.
The adventure begins the second you start up a Yamaha Jet Drive four stroke. Propeller-free and powerful these nimble four strokes boldly go where no conventional outboard would dare. Theyd all prove treacherous for a propeller driven outboard but a jet drive is all over it.
I have a mid 80s 25 hp merc. Jet and it does not push my 16ft. Aluminum boat fast enough.
I understand it losses hp. From being a jet drive. So I would like to know how hard it would be to change it to a prop.
Lower unit and if its worth the investment instead of selling it and buying a different motor. How to Winterize an Outboard Jet Unit on Yamaha F60 - YouTube. On my unit there are 5 bolts holding the lower unit to the middle unit.
4 are inside the lower unit going up. The fifth is on the outside and goes down. In this picture you can see that fifth bolt going down.
Also undo the connections holding the shift cable to the bucket and lower unit. Next we remove the 4 last bolts holding the. The owner has taken great care of it and it comes complete with both lower units pro jet The Jet Impeller is a SS 4 Blade and I believe he has a spare SS 4 Blade as well.
The prop unit is the original crated lower unit. He purchased the drive prop and both lowers have the water pump assembly on them for easy in swap. Yamaha 250 HP 4 Stroke.
20 inch shaft 25 inch shaft 30 inch shaft Replaces F250 lower units with dual water intakes. Also replaces early F250 lower units with side water intakes. This unit has the watercooled bearing carrier90-422-B20F fits Yamaha model numberF225TLR90-422-B25F fits t.
Jet drive to prop drive conversion. The conversion is as simple as getting a lower unit for that engine and installing it then re-routing the shift cable. The problem comes in as to the type of boat you have.
Usually going from a jet to a prop also requires a shaft extention kitspacer since with a jet the engine is shorter shafted than.