Thanks everyone. I guess I just took what the previous owner said as the truth, new to Hodaka's so knew no better. I measured the piston and got 70.15mm. I will double check my serial numbers soon but it would seem I have an SL 250 with its original piston and bore size. I just moved so the bike has...

Hi folks, I'm new to this site and new to hodakas. I have a '77 250 road toad and I need to re-bore the cylinder and need a new piston. I need to confirm the original bore size to make sure it has not previously been re-bored. In short... What is the original piston/bore size for a '77 250 road toad...