Mythbuster: continuing project thread of my 1303 '75

[1302 S]

Hello Wally
I like your combination of short stroke and large bore in your engine. And it seems to be very realibly, you have realy succeeded.
I have read your thread but I cant find what valve size you use in your heads? I could have missed something....

// Anders

[Wally]

Originally Posted by 1302 S

Hello Wally
I like your combination of short stroke and large bore in your engine. And it seems to be very realibly, you have realy succeeded.
I have read your thread but I cant find what valve size you use in your heads? I could have missed something....

// Anders

Its 46x40mm

[Wally]

Slowly but surely the new parts for the new intake and exhaust side are coming together:





Changing the springs to CB650:


The double Berg springs had 3 saisons on them and were VERY much down on spring pressure, so this was/is a good thing to do either way.