Recent content by RonaldB

  1. RonaldB

    Riding lawnmower engine occasional blue smoke

    Originally Posted By: oldhp See if the gas cap is still venting. My JD would not start, took gas cap off just to see if it was venting. It fired right up. The fuel had eaten the insides of the cap up and would not allow it to vent. Make sure the crankcase vent is not plugged up also, which...
  2. RonaldB

    Riding lawnmower engine occasional blue smoke

    Originally Posted By: crgstvrs first is it ran by a fuel pump or gravity fed to carburetor. if gravity fed you are leaking gas past carb diluting oil. two choices on that cheap fix gas shutoff valve in line, second choice rebuild carb, can also be solenoid at bottom of carb. I would bet on it...
  3. RonaldB

    Riding lawnmower engine occasional blue smoke

    Originally Posted By: Eddie make sure that the cooling air intake is free of leaves etc. In addition; a lean mixure will cause over heating. I use a 10w30 oil in my 20HP B&S engine. I think it's pretty clean. The oil is SAE30, as the manual states that multi-viscosity oils will result in...
  4. RonaldB

    Riding lawnmower engine occasional blue smoke

    Originally Posted By: expat Originally Posted By: Corvette Owner Does it have a fuel shutoff valve? If not check oil level, if it is over full, gas is getting in oil. Install a gas cutoff valve, and use it. +1 Is the cutoff valve to prevent gas getting into the oil system when it's not in...
  5. RonaldB

    Riding lawnmower engine occasional blue smoke

    Originally Posted By: MolaKule Too high an engine oil level? Is it "positional" sensitive when it smokes. Like nose down, left side down tilt, right side down tilt, etc? I have noticed many of the OE engines are sensitive to overfilling of engine oil. I don't think I overfilled it, but will...
  6. RonaldB

    Riding lawnmower engine occasional blue smoke

    Originally Posted By: old1 Hot stopping can be one of the toughest things to track down, as quite often by the time you can get to diagnosing the problem it has cooled enough that the problem is gone. I have seen it be as simple as the spark plug, or an intermittent problem with the electronic...
  7. RonaldB

    Riding lawnmower engine occasional blue smoke

    Oil is Sears house brand, SAE30. I replaced it a few weeks ago, but the oil itself is probably from last year. Engine fan shroud is free of debris, that may have been the problem last year (it was clogged up). Yes, running the engine at full throttle, except when I get off to move a branch or...
  8. RonaldB

    Riding lawnmower engine occasional blue smoke

    I have a Craftsman riding lawnmower with a Briggs & Stratton engine, which has a few quirks. Last summer it would cut off after about 45-50 minutes of mowing, like it wasn't getting enough gasoline. A few minutes of rest would cure the problem, and it would run fine after that. This spring...
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