re: Buying an old arse jet ski more headache than it's worth?

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Neighbor is selling a '92 Yamaha waverunner 3

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I have one of those. Bought it for pennies on the dollar in 1993 after it was T boned by another jet ski. Fixed the fiberglass and it's been pretty much bullet proof. Over 25 years I have cleaned the carb a few times and how ever many batteries. The thing won't die and it has been abused. I have a shop manual if need some specs for setting the carb. It's kinda slow like 35 mph max.

Probably the only part that needs replacement in the carb is the rubber pump diaphragm. The aftermarket ones are junk. Buy OEM Yamaha/Mikuni

Ebay

Check to see if it has spark. The dead man/kill switch will corrode on those older models killing the spark even if you have the key thing holding up the switch. Unplug the white/black wire going to the kill switch and check for spark again. If you have spark the kill switch is the problem.