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Torque Settings Engine Mounting Bolts


Guest surreyhills1

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Guest surreyhills1

I need to remove two engine mounting bolts,one each side of my bike to fit my Hepco & Becker engine guards.

Can anyone advise me on the torque settings when reassembling the bolts.

Edited by surreyhills1
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Guest Stephen S

Beware of overtightening. If it's a steel bolt into an aluminium engine body, there's a risk of damaging the softer aluminium threads. 

 

The head of the existing bolt will have a white splodge. if the paint is also on the casing, use that as a guide. Undo and retighten with the torque wrench until paint lines up again, noting the amount of pressure required.  Use the same amount of pressure when inserting new bolt. 

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If you apply any grease or copperslip to the thread to aid assembly or future un-assembly, this will affect the torque applied.

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Guest scrumpymike

If you apply any grease or copperslip to the thread to aid assembly or future un-assembly, this will affect the torque applied.

 

You're dead right there - you need to know whether the value specified is wet or dry; I believe all factory assembly is done dry apart from thread-locked bolts, which count as wet. The other variable is temperature - values are based on an ambient of around 20 deg C. BTW, I might be wrong but 60Nm sounds on the high side. When I fitted my Givi bars, I used the correct value per the NC workshop manual. Don't have time to look it up this evening but will check tomorrow morning.

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Mike 54NM from the manual 

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I always thought that wet or dry meant you either attempted it with or without a cup of tea

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