2003 Mercury model#1041412AD, OT670071, 40hp,. 2stroke, 2 cylinder, ELPTO

by Steve
(Rome City, Indiana, USA)

I have changed oil pump, rebuilt carburetor, put new water pump in, new solenoid, new prop, new plugs on 2003 Mercury 40 hp 2 stroke 2 cylinder but still get only half power at WOT, also no tacometer. The motor starts runs good with 125psi in both cylinders.

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