I did use my digital (cheap chinese) caliper to measure the piston. I could have just looked it up. so long story short, its a 410cc engine now ...
both "specials" are gone (one reserved - the other gone) - waiting for new deliveries of cylinders and gaskets - could take a week or two.
both "specials" are gone (one reserved - the other gone) - waiting for new deliveries of cylinders and gaskets - could take a week or two.
Last edited: