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 Cylinder Head torque settings

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Timstorm
Squinternotto
Squinternotto
Timstorm


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Join date : 2014-05-14

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PostSubject: Cylinder Head torque settings   Cylinder Head torque settings Icon_minitime1Sun Jul 01, 2018 7:24 am

Does anyone know the torque settings for the 1100s cylinder head? Do the two external bolts have a different setting? What is the tightening sequence? Thanks in advance
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Pete Roper
GRiSO Capo
GRiSO Capo
Pete Roper


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Join date : 2013-05-29
Age : 67

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PostSubject: Re: Cylinder Head torque settings   Cylinder Head torque settings Icon_minitime1Sun Jul 01, 2018 8:40 am

Yup. Unlike earlier models with the last of 'em you torque them all to a single quite low torque figure then the four long ones get another 90 degrees plus another 90 degrees and the short ones a single step of 90 degrees. If you don't have an RTG just do it by swing.

Can't remember the initial torque off the top of my head.

Pete

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BMR
Montanarolo
Montanarolo
BMR


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Join date : 2022-07-19

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PostSubject: Re: Cylinder Head torque settings   Cylinder Head torque settings Icon_minitime1Tue Apr 18, 2023 6:41 pm

Pete Roper wrote:
Yup. Unlike earlier models with the last of 'em you torque them all to a single quite low torque figure then the four long ones get another 90 degrees plus another 90 degrees and the short ones a single step of 90 degrees. If you don't have an RTG just do it by swing.

Can't remember the initial torque off the top of my head.

Pete

Hi Pete:
Not sure what "if you don't have an RTG just do it by swing" means. I have a 2016. The online manual states:
Head fixing screw (4) - pre-tightening 15 Nm (11.06 lb ft)
Head fixing screw (4) - final tightening 42 Nm (31 lb ft)

I'm not rebuilding, just checking the torques, as one side has a slight weep. Wondering if I need a special tool instead of my good old torque wrench?!

Thanks BMR
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Pete Roper
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Pete Roper


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PostSubject: Re: Cylinder Head torque settings   Cylinder Head torque settings Icon_minitime1Tue Apr 18, 2023 9:06 pm

Highly unlikely to be the head gasket.

Check the cooling circuit banjo isn't weeping and the coolant gallery plugs. Could also be a plug tube o-ring. Post a pic and I might have a better idea.

If you do decide to re-torque the main studs don't forget to loosen the two camchain tunnel clamp bolts first.
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PostSubject: Re: Cylinder Head torque settings   Cylinder Head torque settings Icon_minitime1

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