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F1 top yoke fork clamp bolt

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Rickman Pete:
Hi all

I have a weird issue

I have a f1 top yoke fitted to my rickman cr750.

The manual shows the bolt as m8 56mm

The ones i have which fit perfectly  are m8 40mm

56mm will hang out miles

Is there another model or something I'm missing as i need to.replave these bolts as plating is wrecked

hairygit:
F1 top yoke bolt SHOULD be M7, in an effort to reduce the risk of overstressing and cracking the clamps. If a PO has drilled it to 8mm, look for another yoke to be safe as you cannot tell if it's been overstressed until it lets go, which you do not want while braking hard!

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Rickman Pete:
The manual says m8? So does david silver parts list

Nurse Julie:

--- Quote from: Rickman Pete on May 07, 2020, 10:18:42 PM ---The manual says m8? So does david silver parts list

--- End quote ---
Im sure Mr Hairy is correct M7 x54 according to CMS

hairygit:
Which bolt are you referring to, the one that holds the yoke to the steering stem or the pair that clamp the top of the fork legs?

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