My 2 stroke Yamaha PW50's head starts to emit steam like smoke after it has been ridden for a while, is this the head gasket? (metal)

My 2 stroke Yamaha PW50's head starts to emit

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Anonymous

Contributor 6 Answers
Posted on Aug 18, 2013

Anonymous

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Joined: Aug 18, 2013

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YES AND BECOUSE IT IS OVER HEATING

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Michael Aug 18, 2013

Thanks, it's air cooled so once replaced will it stop overheating?
Michael Aug 18, 2013

Thanks, it's air cooled so once replaced will it stop overheating?
I can't see any cracks and doesn't have any noticeable leeks, there is good compression and otherwise runs fine but I don't want to cause any damage to engine!
Michael Aug 18, 2013

Will replace gasket and check head for warpage cheers

5 Related Answers

toneman2121

775 Answers
Posted on Jun 07, 2010

SOURCE: overheat blows white smoke ( steam) from exhust on

your diagnosis would seem to be correct. when a head gasket goes, coolant can leak into the combustion chamber where the coolant turns to steam and vents to the exhaust.

Jonah Oneal

14092 Answers
Posted on Apr 10, 2010

SOURCE: 92 isuzu pickup head gasket repair

YOU NEED TOOLS AND A HAYNES REPAIR MANAUL TO SHOW AND TELL YOU HOW HEADS ARE REMOVE.YOU NEED A STRAIGHT EDGE LIKE FRAMING SQUARE AND FEELER GAUGE TO DECK THE THE HEAD TO CHECK FOR WARPAGE.OR THE MACHINE SHOP CAN CHECK WARPAGE ON HEAD.SEE IF REPLACED HEAD GASKET AND DONT CHECK WARPAGE WHICH SHOULD NOT EXCEED 0.004 INCH.IF SO YOUR NEW HEAD GASKET WILL LEAK ALSO.

Anonymous

57 Answers
Posted on Aug 26, 2009

SOURCE: steam and water coming out of my exhaust

Sounds like a cracked cyllinder head

Anonymous

6982 Answers
Posted on Jan 01, 2009

SOURCE: white smoke or steam coming out of exhaust pipe,

Its funny that everyone has solved the problem without any answers to critical questions. In this case, everyone is right and everyone is wrong. ONLY careful testing and observation will determine if there is an actual problem. I do not solve problems just to be first. Even in a hands-on situation I refuse to jump to conclusions before testing, otherwise you run the risk of at best, "chasing your tail" or at worst, tearing into a perfectly good engine to prove nothing!!!
Happy New Year!!!!

Anonymous

4 Answers
Posted on Oct 28, 2008

SOURCE: my car kept overheating after

head gasket and or cracked head/block.

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My 2 stroke Yamaha PW50's head starts to emit

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Anonymous

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Have LT 1536 . Smoke started coming out the exhaust but engine sounds healthy

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My 2 stroke Yamaha PW50's head starts to emit

1 Answer

Anonymous

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toneman2121

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Have LT 1536 . Smoke started coming out the exhaust but engine sounds healthy

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