starter holding bolts

[myersmarine]

does anyone know the bolt type and size that hold a Westerbeke starter .... seems like I have tried everything.... is it MM or standard?

M8 M10 or 3/8 fine or coarse..... it is a 80"s model 30B

thanks

[Blue Stocking]

If it is the 3 cyl 30B Three--M10 x 30
If it is the W30 4cyl, 3/8" Nat Coarse x 1 1/4"
Go to the Torreson site and find full parts manual for free.