You'll put wear on your throwout bearing, but with a bike's shifting pattern, I'd do that with the clutch lever pulled in, too. The question is, do you save enough gas coasting that way to pay for the expense of replacing the throwout bearing? Can you even find a replacement bearing for a '64?
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Darrell
Boycotting Exxon since 1989, BP since 2010
Have you ever noticed that anybody driving slower than you is an idiot, and anyone going faster than you is a maniac? George Carlin
Mean Green Toaster Machine
49.5 mpg avg over 53,000 miles. 176% of '08 EPA
Best flat drive 94.5 mpg for 10.1 mi
Longest tank 1033 km (642 mi) on 10.56 gal = 60.8 mpg
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