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-   -   18.5 B&S won't start (https://www.askmehelpdesk.com/showthread.php?t=204494)

  • Apr 10, 2008, 12:22 PM
    chuck35
    18.5 B&S won't start
    While mowing hit a object and engine stopped. B&S 18.5 two years old. First thought was timing. Pulled flywheel and key intact. Adusted the valves(ohv) 1/4 past tdc as specified.
    .003-.005 and .005. Spark pluk fires and is getting fuel, but will not start. I amd not an expert, but I have worked on a few mowers in my time and this one has me baffeled. I need some EXPERT advice. HELP and thanks in advance. chuck35
  • Apr 10, 2008, 01:39 PM
    twinkiedooter
    I am the official expert lawnmower killer (just ask my son). I successfully killed 3 lawnmowers in 2 weeks mowing over my cast iron lawn hose guides (decapitating them actually). I successfully bent the shaft on ALL the mowers. Honey, you bent the shaft. I should know - I'm the expert lawnmower killer.
  • Apr 11, 2008, 02:48 PM
    MOWERMAN2468
    Did you go 1/4 turn or 1/4 INCH past TDC? The correct procedure is 1/4 inch past tdc. When you tightened flywheel nut, if you do not properly torque the flywheel, the key can shear before it ever starts the first time.

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