Cam cap bolt stripped!

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21 Mar 2010 17:11 #355270 by polkat
Cam cap bolt stripped! was created by polkat
Putting the cams back in my 750-4 and one of the cap bolts wouldn't tighten (didn't go beyond torque spec). Needles to say, it came back out of the head with aluminum stuck in it's threads.

Can I heli coil this? And what size would I be looking for? Thanks!

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21 Mar 2010 17:17 #355275 by timebomb33
Replied by timebomb33 on topic Cam cap bolt stripped!
yes you can heli coil it 6x 1mm is the one your looking for not a big deal happens all the time i just stripped 2 today my self. and it took me less then 10 mins to fix including finding my dam helicoils in the first place alot of people on here prefer timeserts but unless you have a kit already they are expensive. helicoils if done properly will have no problem living as long as the bike they are being installed into.

1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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21 Mar 2010 17:24 #355283 by timebomb33
Replied by timebomb33 on topic Cam cap bolt stripped!
your not having much luck are you.

1973 z1 2-1974z1-a,2-1975z1-b dragbikes1015cc+1393cc, 1977kz1000,1978kz1000,1981kz1000j, 1997 zx-11, 2000 z12r,1428turbo nitrous pro-mod and a shit load of parts thats all for now leader sask.,CANADA
I THINK MY POWERBAND BROKE

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21 Mar 2010 18:03 - 21 Mar 2010 18:04 #355304 by KZ1100 Bully
Replied by KZ1100 Bully on topic Cam cap bolt stripped!
I just did one of mine last week, worked really well.
Here is what I used, same day shipping:
cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=290335959914

1983 Kawasaki KZ1100 Spectre D2
Last edit: 21 Mar 2010 18:04 by KZ1100 Bully.

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  • Motor Head
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23 Mar 2010 17:57 #355704 by Motor Head
Replied by Motor Head on topic Cam cap bolt stripped!
You can also buy a stepped stud, it will be 6X1.0mm at the 1 end and probably 8X1.25mm at the other. Then a drill bit and tap, might be cheaper than a heli-coil set.

1982 KZ1000LTD K2 Vance & Hines 4-1 ACCEL COILS Added Vetter fairing & Bags. FOX Racing rear Shocks, Braced Swing-arm, Fork Brace, Progressive Fork Springs RT Gold Emulators, APE Valve Springs, 1166 Big Bore kit, RS34's, GPZ cams.
1980 KZ550LTD C1 Stock SOLD Miss it
1979 MAZDA RX7 in the works, 13B...

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