AMC

My 800XL does not seem to get up on plane well, especially with 2 people. It is like driving on ice to get it up on plane with 2 people on the ski. This makes me think I need to replace the ware ring.

Other than the poor accelleration the ski runs well, but towing a skier or tuber would be out of the question as with having more then one person on it.

How difficult a task is this and where do I get the replacement parts?

Ernest T

Probably the cheapest way to go is to get an SBT housing and replacement impeller: Model: XL800 -- SBT Jetski Engines, Parts & Accessories:
The SBT housing has a replaceable plastic wear ring, so next time all you have to do is put in a new plastic insert. Disadvantage is that is wears out more quickly than the OEM housing.

If you decide to get an OEM replacement Boats Net usually has about the lowest prices: 2001 XL800 - XA800Z Yamaha Waverunner JET UNIT 1 Diagram and Parts

Its not a hard job. On some skis you need a tool to hold the drive shaft in order to remove the impeller, but it is pretty cheap.

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2008 Yamaha FX HO Cruiser
2010 Hurricane Sundeck 2100