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Ian Harrison

Hi Joel

The 2001 is a “jug read” motor (reed block on the cylinder)

The 2002 and 2003 are “case reed” (read block on the crankcase).

Engine numbers are on a small stainless steel plate riveted onto the crankcase next to where the gearchange shaft goes in.

The first 2 numbers indicate the year:


63 = 2001

64 = 2002

65 = 2003

Best Regards

Ian :-)