rear 6mm head bolt proper length

[timmer]

somehow , , ,misplaced the rear 6mm bolt. Anyone shed light
on what the proper length bolt for this dead end hole is ?
35mm plus washer ?

 

[5twins]

Yes, according to the parts diagram, it is an M6 x 35 .....

https://www.partzilla.com/catalog/yamaha/motorcycle/1977/xs650d/cylinder-xs650d-e-e006501-f

 

[timmer]

Thanx twins !