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Posted

Hey guys, went riding a couple weeks ago and i rode for about 2 mintues and the engine started loosing power so i pull over and pulled the plugs, the left cylinders spark plug was grey as hell, i knew then i was in trouble, i had a buddy pull me back to the truck, well i pulled the head and there was a hole in the top of the piston, done run her to lean and hot, now i have to get her going for some drag races by friday. im just hoping i didnt trash the bearings on the crank, what a pain in the ass that will be :angry:

Posted
Hey guys, went riding a couple weeks ago and i rode for about 2 mintues and the engine started loosing power so i pull over and pulled the plugs, the left cylinders spark plug was grey as hell, i  knew then i was in trouble, i had a buddy pull me back to the truck, well i pulled the head and there was a hole in the top of the piston, done run her to lean and hot, now i have to get her going for some drag races by friday. im just hoping i didnt trash the bearings on the crank, what a pain in the ass that will be  :angry:

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Yikes!

Is this the lime green and grey bike?

Posted

yeh i have done that before burnt a hole completey through the piston and the end of my plug was gone it even got the top of the rod but everything else was unharmed i just put new pistons in it(after finding out why it did it) and went drag racing the next weekend.

 

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Posted (edited)
Yikes!

Is this the lime green and grey bike?

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yeah stan its the lime green one,

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everthing seems to spin fine,i would still like to boroscope the rod bearings to see what they look like, there are very very very minor scratches on the cylinder walls, you cant even hang a soft piece of .010 wire on the them and its only 3 of them , i did some honeing and it cleaned them up enough where i think i can make it back to the track this weekend. hope it works out then i will pull them back off and go 4 over when im done racing :cheers:

Edited by cb67rs1

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