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    Need Johnson 1992 48SPL engine experts

    I have two manuals and both show different engines. I need some some help with fiquring out some adjustments. Please take a look at the attached photo. My engine seems to be idling to slow. So without thinking I made an adjustment at C. But then I realized that the adjustment at this point...
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    Johnson 48 SPL Carburetor Issue?

    I am not sure if I have a problem here. Engine running on muffs. If I open up the throttles at the OMC controls it revs up fine. On the other hand, If I hit throttle linkage at the dual carb system the engine bogs down, coughs and dies. I could swear it didn't do this before. I believe...
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    1992 Johnson 48 SPL Carburetor Adjustment

    Anyone have the procedure for single screw adjustment for the dual carb setup. There is no hi lo rpm adjustment for this dual carb setup. Thanks!
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    1992 Johnson 48 SPL high rev dieseling

    I picked up a skiff with a 92' Johnson 48 spl 2-stroke. Motor hasn't been started in 5 years. Serviced the lower end and plugs. Was able to start it and it ran fine. Ran the engine for about two hours at at different speeds not exceeding 2500 RPM. Check thermostat operation runs below 140...
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