The 1970 Alpine 640ER

 




Another ebay find in the fall of 2007




Chassis #7035******

Rotax engine #1780xxx 635cc (2x- 76 mm bore x 70 mm stroke)

The carb looks like it is a Tillotson HD20B

120 psi compression on both cylinders

NGK A8 plugs with .020 gap

Seat configuration allow for several gallons additional fuel capacity

 




last updated on 1/04/09 by arelen