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Cam Chain tensioner Thread stripped!

  • Thread starter Thread starter TheSilencer
  • Start date Start date
T

TheSilencer

Guest
Hi all!

A little emergency has arisen!:eek:
I needed to remove my starter and couldn't squeeze it out without removing the Cam Chain Tensioner.
I removed it succesfully but when it came to replacing it I somehow stripped the one thread in the engine block itself!

I need suggestions! Please!
 
That's going to need a thread repair insert, like a Helicoil (something called a timesert seems to be preferred around here though). You'll have to pull the air box and carbs to have enough room to work.
 
Believe it or not, you may be able to just run a tap through it & clean up the threads. The key AFTER that is to use a bolt that is 1/4 inch longer in that hole! Check to make sure it won't bottom out & be too long but I'll bet around 1/4 inch longer will do it for you. Do NOT try to do a Helicoil there if you have never done it or you will be taking the motor apart if you mess it up. Ray.
 
Thanks a lot for all the suggestions!

I ended up having to remove the entire engine and take it to motor engineers to have the hole re-drilled 8mm.
They then inserted a Helicoil reducing the size to 6mm and I was back to new!
What an episode though! Just for a stripped thread!
Hope no one else makes that mistake!;)
 
when in a pinch..a 1/4-20 american would have ran right into the stripped 6mm hole and worked great(self tapping) well kinda...
too late now i guess.
 
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