help with clutch bolt thread size

[madzx2]

im setting up some dyno time and the dyno guy needs to know the clutch bolt size. what size are the threads. i have a 2000 srx 700. thanks in advance.

 

[Stirllan]

pretty sure its m18x1.5

I know its the same size as the sparkplugs. if you know the thread sizes of them?

 

[madzx2]

i measured the outside diameter of the threads and it was 12.2mm.

 

[madzx2]

pretty sure its m18x1.5

I know its the same size as the sparkplugs. if you know the thread sizes of them?

isnt that the size for a clutch puller?

 

[madzx2]

is it 1/2-20 fine thread

 

[9801srx]

is it 1/2-20 fine thread

that correct. not sure why they use that one standard thread on a totally metric sled but they do.