- Joined
- Jul 16, 2020
- Messages
- 3
HI Guys.
I am new to the group and this is my first rebuild (1966 Norton Atlas)
The original Barrels had been bored to the maximum and there was evidence of the sleeve breaking away causing internal damage. I had sourced some new / second hand barrels in great condition , i bored them out +20 and have the oversized pistons and rings.
Just doing a dry fit of the barrels and head before assembly and noticed the threads for the head bolts to the barrels are a larger size ?
Is there a difference in the threads on various models?
any advice would be greatly appreciated .
Thanks
Dave
I am new to the group and this is my first rebuild (1966 Norton Atlas)
The original Barrels had been bored to the maximum and there was evidence of the sleeve breaking away causing internal damage. I had sourced some new / second hand barrels in great condition , i bored them out +20 and have the oversized pistons and rings.
Just doing a dry fit of the barrels and head before assembly and noticed the threads for the head bolts to the barrels are a larger size ?
Is there a difference in the threads on various models?
any advice would be greatly appreciated .
Thanks
Dave