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Gary's GP frame beginn ing to take shape on the bench . Cut and try , cut and t ry.
Can you dig it, a tapered ro ller bearing with an
integral seal for the steering heads . Hint : they've
been off-shelf items for boat tra ilers for years .
The Jones super-sophisticated chai n guide, made
out of tempered spring wire - so simple, so cheap
- and it works.
Left to right : 250 piston, 250 liner, 355 piston. Tall exhaust and low, wide
tran sfers ought t o make for some right-interesting angle-area relationships. Papa
Don says "We may cut t oselil' wings in the exhaust if we find we need 'em."
26
Anot her way the weight came off - shave every ot her fin
on the cylind er (see below) and drill the head fins like this.
Don Jones : "Our aim is to get it down to an out-of-the -box weight of less
than 200 pounds." The prototype weighs 197 . Part of the diet program,
Jones turned down the forks and "cut off about 40 unnecessary brackets."
