The BSA A7-A10 Forum

Technical (Descriptive Topic Titles - Stay on Topic) => A7 & A10 Engine => Topic started by: lizzycombat on 30.01. 2015 16:38

Title: a7 plunger engine and gearbox thread sizes
Post by: lizzycombat on 30.01. 2015 16:38

does anybody in the community have a list of thread sizes for my plunger engine. i want to clean the threads out so i could do with a list.

Title: Re: a7 plunger engine and gearbox thread sizes
Post by: muskrat on 02.02. 2015 09:28

G'day lizzycombat.
If you have a parts book to get the numbers of the said bolts this place will tell you http://www.stainlessbits.com/link12.html
Most bolts & nuts are cycle thread 26tpi. Bolts & screws that thread into alloy are whitworth, the head bolts are bsf.
Cheers