Thesmallenginehobbyist76
2024/12/27 10:17:41

Yamaha Grizzly

Is it normal for the bottom end vent coming into the airbox to spit oil into the airbox??
2 comments
SRTsFZ6 2024/12/27 13:52:20
It should vent, not spit oil..
 
Sounds like some serious ring blow by pushing oil out of the vent.
 
 
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Conrad Sigona 2024/12/29 21:23:39
Maybe the oil level is very high. Check the level.
If it's very high, check whether the float valve in the carburetor is not properly sealing and lots of gas in dribbling into the engine when it's shut down.

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