Recent content by nabeel

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    Why is manifold vaccuum so low?

    Our club has a 2004 Yamaha F40 -- 40 hp, 4 stroke, 3 cylinders, 3 carbs. The engine starts and idles beautifully. With the fast idle lever, we can rev it in neutral. We put it in gear and try to advance the throttle and it simply bogs down. We used the boat weekly, even over the winter...
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    Loop scavenger with dings in head

    I'm rebuilding a 91 Johnson 40 -- top cylinder connecting rod bearing failed. I believe it is a loop scavenger type 2-stroke engine because the piston tops are flat. This engine has obviously had a rough life because the top cylinder head has a bunch of dings in it which must have been...
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    Suzuki DT40 -- Neutral switch & beeping

    I have a 1989 Suzuki DT40 with remote control & no gauges. After the motor refused to crank, I discovered the neutral start switch hanging loosely in the bottom of the engine. As a temporary measure, I tape the switch in the closed position (indicating engine in neutral) and it cranked and...
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    Steering Stiffness

    I have a 1989 DT-40 with steering wheel. The steering is very very stiff from the middle through full left turn. I've greased the bracket well thru the two grease nipples on the bracket. I've disconnect the "drag arm" from the steering and the motor pivots left and right just fine. I'm...
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