JordyRoo Posted September 1, 2016 Report Share Posted September 1, 2016 So a guy i know has blown his piston in his banshee, only on the right hand side. It has a hole in the top & melted the tip of the plug. When built the motor was leakdown tested & held overnight with no problems. The only fault you can see is the plug thread cap had come off & was in the plug cap. Could this being loose & vibrating cause the hole? Misfire & then big ignition? Quote Link to comment Share on other sites More sharing options...
JordyRoo Posted September 1, 2016 Author Report Share Posted September 1, 2016 Not many hours at all. Around 6, if crankseal failed wouldnt it be the left hand piston to go? Quote Link to comment Share on other sites More sharing options...
JordyRoo Posted September 1, 2016 Author Report Share Posted September 1, 2016 Ok thanks, what i dont get it why only 1 cylinder is like it. The other is fine. Quote Link to comment Share on other sites More sharing options...
sheerider11 Posted September 1, 2016 Report Share Posted September 1, 2016 Ok thanks, what i dont get it why only 1 cylinder is like it. The other is fine.Do a leak down test again if it's still together. Then you need to go through the carbs Quote Link to comment Share on other sites More sharing options...
Surfrjag Posted September 1, 2016 Report Share Posted September 1, 2016 It could also be a fuel delivery problem on that side Quote Link to comment Share on other sites More sharing options...
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