Yamaha Discussions about Yamaha ATVs.

yfm225 won't idle properly after overheating

Old Apr 21, 2014 | 06:13 PM
  #1  
bachuus's Avatar
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Default yfm225 won't idle properly after overheating

Idle must be set high to prevent stalling after overheating. No head warp and valves look ok. Any suggestions?
 
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Old Apr 21, 2014 | 06:56 PM
  #2  
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I'd do a compression test and leak down since it over heated.Could still be a leaking head gasket or base gasket if it's not a piston or valve problem that a compression test would probably catch.Somethings happened if it ran good before it over heated.
 
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