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125 GP TWIN CAM

Posted: Fri May 20, 2011 4:45 pm
by airmanblue
Does anyone know the valve timing for a 1957 GP and the size of slide and needle setting using a 27mm Dellorto. I am trying to get one running after being laid up for 40 years !!

Posted: Sat May 28, 2011 8:52 am
by bobnorton
Checking round with my contacts,Parts will be impossible information a little easier,but not much!!.