Head pipe torque spec
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Cruiser
Joined: Oct 2007
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Head pipe torque spec
Another simple question. What is the torque spec for head pipes ( 2012 103 ) ? I'm installing new Power Duals and am not sure if the new pipes will give that info. Appreciate the help.
Supporter
Joined: Aug 2008
Posts: 5,189
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From: N.E. Wisconsin
After loosely installing header and installing the mufflers
1 tighten the bottom nut of the rear cylinder head flange to 9-18 inch-pounds
2 tighten top nut of rear cylinder to 100 - 120 inch-pounds
3 tighten the bottom nut to 100 - 120 inch-pounds
4 tighten the top nut of the front cylinder head flange to 9-18 inch-pounds
5 tighten the bottom nut of the front cylinder to 100 - 120 inch-pounds
6 tighten the top nut to 100 - 120 inch-pounds
then tighten the remaining fasteners
1 tighten the bottom nut of the rear cylinder head flange to 9-18 inch-pounds
2 tighten top nut of rear cylinder to 100 - 120 inch-pounds
3 tighten the bottom nut to 100 - 120 inch-pounds
4 tighten the top nut of the front cylinder head flange to 9-18 inch-pounds
5 tighten the bottom nut of the front cylinder to 100 - 120 inch-pounds
6 tighten the top nut to 100 - 120 inch-pounds
then tighten the remaining fasteners
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
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From: Phoenix '53, '88, '09 Big Twins
09:
Tighten the top nut of the front cylinder head exhaust
flange to 9-18 in-lbs (1-2 Nm). Tighten the bottom
nut to 100-120 in-lbs (11.3-13.6 Nm). Final tighten
the top nut to 100-120 in-lbs (11.3-13.6 Nm).
mike
Tighten the top nut of the front cylinder head exhaust
flange to 9-18 in-lbs (1-2 Nm). Tighten the bottom
nut to 100-120 in-lbs (11.3-13.6 Nm). Final tighten
the top nut to 100-120 in-lbs (11.3-13.6 Nm).
mike
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Nov 15, 2008 10:01 AM
