29 November 2016

Tuesday, November 29, 2016

Hi, I have 3 cylinder heads here for a BSA bantam 175, one is a standard D7 head far right first photo, the other two are Todd heads, GT100B, 2nd photo.

The head on the left has been drilled out to fit the studding pattern of a 125cc I imagine, but if you look at the photo you can see the swish band has been filled in and compression chamber reduced. This looks like a very professional job.

My question is why?

Maybe to run on ethernal for sprinting or grass track racing?? Any info appreciate or suggestions.

Cheers. ๐Ÿป


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