M8 Head Bolt Re-Torque
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Novice
Joined: Aug 2017
Posts: 15
Likes: 0
From: Albuquerque
M8 Head Bolt Re-Torque
Who knows whether the head bolts on a 114 M8 rebuild get re-torqued after warm ups like we use to.
With the new gaskets and who knows what else, there seems to not be one answer.
The service manual does not indicate to re-torque. (or not to)
Seems foreign to me to NOT re-torque.
With the new gaskets and who knows what else, there seems to not be one answer.
The service manual does not indicate to re-torque. (or not to)
Seems foreign to me to NOT re-torque.
Road Master
Joined: Mar 2020
Posts: 1,078
Likes: 267
From: New England
Who knows whether the head bolts on a 114 M8 rebuild get re-torqued after warm ups like we use to.
With the new gaskets and who knows what else, there seems to not be one answer.
The service manual does not indicate to re-torque. (or not to)
Seems foreign to me to NOT re-torque.
With the new gaskets and who knows what else, there seems to not be one answer.
The service manual does not indicate to re-torque. (or not to)
Seems foreign to me to NOT re-torque.
I'll let someone with more knowledge chime in though...
Road Master
Joined: Jun 2019
Posts: 952
Likes: 528
From: Richmond TX
Modern HD engines (starting with the Evo) have much longer head bolts than the shovelheads and older. This is a significant improvement as the length makes it easier to get a good 'stretch' on them so they are not prone to needing a re-torque like the old British bike and HD's. The shop manuals for Evos and Twin Cams do not call for re-torquing your heads, just like the M8's.
Follow the torque sequence in the service manual, no re-torquing is necessary. Do not reuse the head bolts on the M8 engine
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Jamie Long / Fuel Moto USA
The USA's Leader V-Twin EFI & Performance www.fuelmotousa.com
Contact 920-423-3309
Email jamie@fuelmotousa.com
Jamie Long / Fuel Moto USA
The USA's Leader V-Twin EFI & Performance www.fuelmotousa.com
Contact 920-423-3309
Email jamie@fuelmotousa.com
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