I got some time to mess with the sea doo today and got the engine out. It turns out the rear piston is completely seized up in the wrist pin and the whole thing won’t even move. Next time I’ll take the rear one out and see if I can finally turn the crank over. Hopefully that’s all that it needs to start up.
On a side note, the motor is actually made in Austria by Rotax and all the nuts and bolts are metric (yay!). I haven’t seen any rust on any of the bolts either – my brother claims they’re stainless steel.
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