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head bolt sequence ??

  • bobber-edd
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head bolt sequence ??

10 years 2 months ago
#5070
i need the head bolts tightening sequence and torques please if someone could share that with me as my internet is so crap that i can not download the manuals still not even getting half a meg !!
zed 13 1979 A1 model

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  • Lucien-Harpress
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Re: head bolt sequence ??

10 years 2 months ago
#5071
Gimmie a bit. I'll get a photo of that part of the manual and get you some numbers later tonight, in a couple hours. Have a few things to do, but afterwords I'll get you taken care of.
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Re: head bolt sequence ??

10 years 2 months ago
#5072
Alright, official service manual instructions are to tighten the cylinder head nuts to 2.5 kg-m (18 ft-lbs.) and the bolts in the rear to .6 kg-m (52 in-lbs.).

Second pass, torque the nuts to 4 kg-m (29 ft-lbs.) and bolts to 1 kg-m (87 in-lbs.)

Put it together, warm up the engine, let it cool down, then re-torque.

[IMG

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  • bobber-edd
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Re: head bolt sequence ??

10 years 2 months ago
#5073
many thanks indeed but 87 ft for those little bolts ????really i would of thought they would just snap off at that torque ?? but again thanks :cheer:
zed 13 1979 A1 model

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Re: head bolt sequence ??

10 years 2 months ago
#5074
INCH pounds. At 87 ft-lbs you'd snap them for sure.

It's.... goofy. They don't have the torque units standard across the board, so just be very careful when reading what bolt gets what (again, this is straight out of the manual).
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  • bobber-edd
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Re: head bolt sequence ??

10 years 2 months ago
#5075
or im i reading this wrong head nuts big torq small bolts small torq or is it head nuts small torq small bolts big torq ?? sorry i just wanna get it done right and not bust anything
zed 13 1979 A1 model

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