Home › Forum › Ask A Member › Johnson A-80 flywheel puller bolt size? › Re: Johnson A-80 flywheel puller bolt size?
Thanks for the replies. Richard, I edited my post,
but pretty sure I meant to say the bolts are larger than 12-24,
not 10-24, but I’ll recheck tomorrow.
Good to know there’s a metric option available.
I think they’d have to be 2-1/2 to 3" long to work
with my puller.
Update: I just check my note from the garage.
The flywheel bolt size that held the rope pulley
on were 15/64" according to my drill size gauge.
15/64" = .234
A 12-24 bolt diameter is .216 according to the Net.
My 12-24 tap was too loose in the flywheel holes,
which jives with the info above.
Looks like 6mm is the same as 15/64", and if I understand
metric thread pitch of "1", that would be about 25 tpi pitch
instead of 24?
Prepare to be boarded!