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Discussion Starter · #1 ·
Hello everyone,

Just picked up a 800 XLT for super cheap. PTO cylinder has low compression and it has been sitting. Just wanted to get general advice in what to focus on. I have worked on a bunch of seadoos but this is my first yamaha.

My plan is
1. Take off carbs and clean. I have all the stuff to test and will determine if I need a rebuild kit
2. Inspect jet pump
3. Drain oil and fuel and replace with new.
4. Tear into engine and do a top end if not too bad. Is this a good idea? Or should I do a full rebuild?

What else should I look into? Should I switch to pre-mix on these? Etc.

Any advice will help just do not know too much about these machines and don't want to forget something that could hurt later on.
 

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Discussion Starter · #2 ·
Sorry forgot to ask. Would it be okay to replace just one piston? Or should I go ahead and do both?

I use WSM in my seadoos. Are they just as good in the yamahas?
 
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