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fix striped bolt hole in cylinder (Read 156 times)
kennycreed
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Island Of Lewis SCOTLAND
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fix striped bolt hole in cylinder
02/01/09 at 11:29:15
 
HuhHi all I have reached the stage to fix the striped head cover bolt which tightens down into the top of the cylinder, before I order the helicoil kit would anybody know if the M8 X 1.5 is the right size,,cheers,,kenny Undecided
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Digger
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Ya gotta be tough to
ride singles!

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Colorado Springs, CO
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Re: fix striped bolt hole in cylinder
Reply #1 - 02/01/09 at 19:45:28
 
Hi Kenny,

Please describe the location of the bolt or post a pic or a diagram(preferred).  Then, we'll be able to give you an accurate answer.

Cheers!
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Digger
2001, Metallic Glacial Blue, Raptor Petcock, Verslavy (first hole) (otherwise, mechanically, the bike is stock), 13,xxx miles
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kennycreed
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Island Of Lewis SCOTLAND
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Re: fix striped bolt hole in cylinder
Reply #2 - 02/02/09 at 00:51:13
 
Hi Digger I don't know how to send pictures, but the bolt is number L130 the one on the right hand side of the cover, on the after side between the cam shaft, and the bolt on the side of the head that holds the cam chain tensioner. The alloy thread where it screws down into the cylinder is stripped. There is an oil passage to the head up the side of this bolt so I don't want to restrict it by just tapping for a larger bolt so helicoil seems to be the best way but I am not sure  of the size of Helicoil kit to get for this thread, I think it is M8 X 1.25??? I was hoping that someone on the forum could either confirm this or advise me as to the proper helicoil thread size..all the best to you and yours,,,Kenny Undecided
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Digger
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Ya gotta be tough to
ride singles!

Posts: 1604
Colorado Springs, CO
Gender: male
Re: fix striped bolt hole in cylinder
Reply #3 - 02/02/09 at 19:48:05
 
Hi Kenny,

I believe that is a 6mm bolt.  I'm not sure of the pitch, but my money would be on 1.0.

Good luck!
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Digger
2001, Metallic Glacial Blue, Raptor Petcock, Verslavy (first hole) (otherwise, mechanically, the bike is stock), 13,xxx miles
I don't own a cage.
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Kropatchek
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Why more than 1
cylinder?

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Alphen a/d Rijn  Netherlands
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Re: fix striped bolt hole in cylinder
Reply #4 - 02/03/09 at 06:01:44
 
Use the M6 x 1,0 and you'l be fine.
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kennycreed
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Re: fix striped bolt hole in cylinder
Reply #5 - 02/05/09 at 15:58:47
 
Thanks all for coming back to me I have the heads of both of my LS's off,   one for the stripped thread on the cylinder which I am waiting now for the 6mx1.0 helicoil kit to arrive. (should have it in a couple of days). and the other is waiting for two new exhaust valves to come from Germany, it was smoking a bit when starting up after being on the side stand for a while , the seals were worn on the valves, so while iI had the head off thought I would put new valves in to be sure, just to get them right for the coming summer. which  going by the last week or so with the snow and howling gales seems to be a long way away yet...all the best to you all and THANKS!!
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