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  1. 8

    yamaha help

    I need to info on adjusting idle on a 1986 Yamaha 150 does the mixture get leaner the further you back the screw out or vice versa. The book lists two different carbs for my year and model. I set them to 1.250 turns out after a carb cleaning and I have a hard start. When adjusting do I come out...
  2. 8

    labor day is coming on fast

    I have a 1986 Yamaha 150 precision blend outdoard model 150etlj. At the start of this season first outing boat ran like crap, started, and idled fine but would not come up on plane, or rev over 3000 under load. Went home cleaned the carbs, installed a fuel filter and replaced fuel lines, went...
  3. 8

    yamaha carbs

    Took the wife and some friends out over the weekend couldent hardly get the boat on plane, wasn't overloaded had the same people and gear out last year. The engine wouldn't accelerate over about 3000 rpm. Checked plugs looked wet, replaced with what was specified on the lower housing gapped to...
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