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Gearbox plate mounting bolts

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Does anyone know what thread the 4  3/8 short bolts that secure the rear gearbox plate to the frame spigots is - I assume BSCY? (Single down tube swinging arm frame)

Cheers

dan 

 

 

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Hello if you mean the bolts which attach the rear engine plates to the frame down tube, these are normally 7/16" x20 with reduced head to 3/8" whit. If you mean the bolts which attach the the rear plate horizontally above the swinging arm, these are normally 5/16" x 26 again with head reduced to 1/4" whit. Hope that helps.

regards

Andrew

 

 


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