I have about 700 miles on an RK TEK drop-in kit and head in my 2011 Pro. Yesterday one of the piston skirts broke. Luckily this happened in one of the more "ideal" places if there ever was one for losing an engine. Before this it ran flawlessly. Yesterday it started having an intermitten bog and eventually went CLANK CLANK and died. This exact thing happened to a friend last week running a MTNK kit. Curious on which direction to go from here. I imagine the cylinder is scored. Buy a replacement cylinder and new pistons? Big bore? This next weekend Wyoming trip isn't looking too promising. Any suggestions would be great.
Blown Top End
- Thread starter Romulous
- Start date
I'm curious if you haven't torn it down how you no it's a skirt broke? I guess you haven't tore it down since you don't no if the cylinder is scored. If so that's the first piston skirt that I have herd of on rkt piston.
I removd the pipe, y-pipe, and power valves. That's how I was able to see the pistons.
T
tukernater
Well-known member
Do these two company use the same piston's?
UMMMM. Skirts were cracked and stressed on the stock used pistons that were pulled out and replaced, or the brand new RK tek skirts were cracked and stressed.
think before you hit send sometimes.
Think he means cylinder skirts.
Cyl skirt or piston skirt, both usually take out the bottom end.
CYLINDER skirt, think before you hit send sometimes!
Yeah I can say cylinder skirt too. Even tho the whole thread had nothing to with the cylinder skirts. It's OK.
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You can say whatever you want Phil, who really gives a ****....
lol Evidently you do with the bad rep and all.
Hard to tell on my motor what truly caused it. Had a broken skirt but it locked up bad on both cylinders. So not sure if it locked up then broke or broke then locked up.
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Sorry CRFFred. Didn't mean to get your panties in a bundle. But I've never been known to be nice just call it as I see it
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In all fairness to rktek. My crank was bad. And most likely the main cause to my engine failure
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T
trackvs2wheels
Well-known member
Now that Phil and Fred got their bickering/bantering out of the way...
Can we get confirmation on whether it was a PISTON skirt or CYLINDER skirt please????
Can we get confirmation on whether it was a PISTON skirt or CYLINDER skirt please????
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