Hi, wot is the torque setting for cylinder head bolts on z900 a4 and the tightening sequence please
Chris
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Cylinder head
Moderators: paul doran, Taffus, KeithZ1R, chrisu
Cylinder head
73 z1, z650c3
ALWAYS LOOK ON THE BRIGHT SIDE OF LIFE
ALWAYS LOOK ON THE BRIGHT SIDE OF LIFE
Re: Cylinder head
25 to 32 ft/lb on the stock studs and up to 42 ft/lb with HD studs.
For torqueing down you need to work evenly outwards fore,aft,left,right from the middle to the outer nuts in at least 3 stages of around 10 ft/lb increments up to the chosen figure.
For torqueing down you need to work evenly outwards fore,aft,left,right from the middle to the outer nuts in at least 3 stages of around 10 ft/lb increments up to the chosen figure.
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Steve Cooke
- ZedHead
- Posts: 1166
- Joined: 18th Mar 2007
- Location: Southampton
Re: Cylinder head
Starting from the front left (looking down from above) and moving clockwise.
12/10/6/2/4/8/M6 bolt/9/5/1/3/7/11/M6 bolt
Tighten in two stages first to 18ft-lbs (2.5kg-m)
Then to 27-31ft-lbs (3.7-4.3kg-m)
Tighten the M6 bolts last to 95-113in-lbs (1.1-1.3kg-m)
12/10/6/2/4/8/M6 bolt/9/5/1/3/7/11/M6 bolt
Tighten in two stages first to 18ft-lbs (2.5kg-m)
Then to 27-31ft-lbs (3.7-4.3kg-m)
Tighten the M6 bolts last to 95-113in-lbs (1.1-1.3kg-m)
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