2011 Yamaha 40 hp 4 stroke fuel injected

by Lee
(Pickstown SD )

It starts and runs great for a few miles and stop to fish for an hour and start up to move and idles fine but just above idle it bogs down. 4 mph all the way back to the ramp with no improvement.The next morning it starts and accelerated perfictly but am not going far till problem is fixed.Have replaced spark plugs,fuel pump and filters,and checked fuel lines and find no fuel problem.

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