Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

  • Gdailey2112
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Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

03 Jun 2021 03:35
#849521
Just not sure as to specific size of helicoil and drill bit needed for repair. Anyone know? Thanx
1982 KZ1100D1

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  • Mikaw
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Re: Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

03 Jun 2021 12:33
#849552
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
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Re: Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

03 Jun 2021 12:39
#849553
They are M6 x 45. Same has cam cover bolts, and cam cap bolts. I get the pitch later
1976 KZ 900 A4 kzrider.com/forum/11-projects/613548-1976-kz-900-a4
1976 KZ 900 B1 LTD
1978 KZ 1000 B2 LTD
1980 KZ 750 E1
Kowledge Speaks, But Wisdom Listens.
Jimi Hendrix.

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Re: Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

03 Jun 2021 13:42
#849557
wrote:
They are M6 x 45. Same has cam cover bolts, and cam cap bolts. I get the pitch later

M6 pitch is 1,00 mm

www.gewinde-normen.de/en/iso-coarse-thread.html
My 1975 Z 1 B 900 Project

www.kzrider.com/forum/11-projects/605133...ears-deep-sleep-mode
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Re: Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

03 Jun 2021 15:28
#849561
Kit you need is m6 x 1 mm.
Drill comes with kit 6.3mm or 1/4 inch
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  • Gdailey2112
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Re: Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

04 Jun 2021 09:45
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wrote:
Kit you need is m6 x 1 mm.
Drill comes with kit 6.3mm or 1/4 inch
Thank you!!! Confusion seems to trouble me when it comes to specific bolt sizes, thread pitches, etc. I'll grab an m6 x 1 mm. kit and gett'r done! Thanx!
1982 KZ1100D1

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Re: Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

04 Jun 2021 12:46
#849613
Yes! Invest in a real kit! as the drill is a few decimals off standard, as is the thread of the tap! Great investment as you have a Kawasaki engine!
Even though, on those 2 end bolts!! I have been known to tap a US SAE 1/4" tap through before the heli-coil.
Your choice!
Good luck!
Livin in "CheektaVegas, NY
Went thru 25 of these in 40 yrs.
I SOLD OUT! THE KAW BARN IS EMPTY.
More room for The Old Girl, Harley 75 FLH Electra Glide,
Old faithful! Points ign. Bendix Orig. carb.
Starts everytime!

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Re: Need to helicoil threads for head bolt #13 (#13 in tightening sequence)

02 Jul 2021 05:25
#851085
Thanks z1kzonly!! I'll try the US 1/4" tap trick and see if that'll work.
1982 KZ1100D1

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