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Yamaha v6 200 2 cycle oil

mwillette

New member
hello question the tank for 2cycle oil on engine side is draining back to the boat tank? is there a check valve in line ? i took the tank pump apart cleaned it, cleaned tank, check small filter not plugged?
 
hello question the tank for 2cycle oil on engine side is draining back to the boat tank? is there a check valve in line ? i took the tank pump apart cleaned it, cleaned tank, check small filter not plugged?

has anyone had to figure this out is the oil system suppose to be airtight???
 
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