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  1. #1
    Turbofab's Avatar
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    Yamaha vx110 broken valve question? (pics

    Hey guys tore apart my friends yamaha vx110 engine to discover multiple bent valves and one completely broken valve. Is this a common problem? its a low hours motor and has always been well maintained. any ideas guys?









  2. #2
    tuningforks's Avatar
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    Timing chain or tensioner bad? Obviously the valve timing is off.

  3. #3
    Turbofab's Avatar
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    nope its good, only happened to one cylinder.

  4. #4
    Valve floated?

  5. #5
    tuningforks's Avatar
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    Don't know how common the problem is. Looks like it dropped a valve...broken valve, valve locks or valve spring. Sure chewed it up bad.

  6. #6
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    Quote Originally Posted by Iceman5000 View Post
    Valve floated?
    Deff could be.

    Quote Originally Posted by tuningforks View Post
    Don't know how common the problem is. Looks like it dropped a valve...broken valve, valve locks or valve spring. Sure chewed it up bad.
    yea munched everything up good.

  7. #7

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    is the cylinder damaged too?
    or you can get by buying a new piston, valves ...

  8. #8
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    Cylinder is still good not marks.

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