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I have the Bing "alcohol proof" float kit in my 74 R75 and 82 R65. I'm not sure they have done anything extraordinry for me. When I sent my R75 Bings of for a 120000 mile rebuild Bing replaced the alcohol proof floats; one of them had gotten heavy. The "alcohol proof" kits replac...

The R65LS rear brake drum on the cast wheel is wider in diameter than the R75/80/90/100 rear drum. Comparing shoes, you will notice that the arm extending from the shoe portion to the cam is longer than the "big" bikes.

I have used Sargent for covers and parts; they are very good. Their reputation is very good also. As to different foams in rebuilds, I had Bill Mayer rebuild and recover my /6 seat. With the new foam insert, slightly shaped seat, and leather covering I can go 800-900 miles per day without any probem...

And your plugs, plug caps, and wires are all good, right? Other than that, what everyone else said.

Teo

The short swing arm /5 had the "short" shocks at 13" as you stated. The '73 and a 1/2 went to the 13.5" shocks as did /6 and later. The 1/2 inch makes very little difference in ride or handling so I wouldn't worry about that aspect. I checked my SJ-braced swing arm (/6) and the b...

Are you slifting the swingarm through a larger arc than the shocks will allow? If memory serves me I wncountered the same problem when I installed my braced swingarm a few years back and finally realized that with the shocks mounted the swingarm will never move up that high.

Teo

I'll agree with George about the 1974 /6 series reliability. I bough my '74 new. Once the rear main seal was fixed the only other problem I have had was a broken pawl spring in the transmission at 60,000 miles. I bought the bike new and have 140K miles on it. The problems that have occurred have bee...

Merry Christmas, all from sunny and unseasonably warm St Louis - off for a sprint on the LS and later will excercise the R75. Happy and healthy 2012 to you.
Teo

Hi Vanzen Re your note about possible tube blockage and other concerns on the Briel-type extension/tubed "coolers" - I have >90,000 road miles without a blockage, no funny leaks, no longer cooling period or stays too cold in the <40 degree wx. The tubed extender really only adds a quart of...

I put a Briel oil cooler on my '74 R75 back in 1980. It has more than 100K miles on it now. There is no leakage from the double gaskets. I modified the centerstand dropping the upper cross piece 3 inches or so to clear the extension. There is another quart of oil in the crankase but I'm not so sure ...