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1974 Yamaha RD200

Running and Riding

Classic Velocity

Finally, the machine is in running condition, and was able to go for a brief spin of a couple miles. There is nothing like a two-stroke zinging along to bring back bygone days...It has a small gas leak due to a missing clamp, but otherwise seems ok.

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Back Together Again

Classic Velocity

With the major work complete, the bike is reassembled. It has a new front tire, new rubber elbows, new throttle/auto lune cables, plugs, etc. Too bad it is the middle of winter so testing will be limited...

 

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Autolube Adventures

Classic Velocity

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In the early 1970s, Yamaha devised a way to eliminate the need for owners of a two-stroke to ride around with oil and a beaker to pre-mix their fuel. The Autolube system mixed oil with gas in the right ratio for any RPM using a third throttle cable. More twist, more oil. Brilliant. All you had to do was keep both oil and gas tanks topped up. Well on this particular RD, the system was disconnected. Not sure why, but I decided to return it to service. Removed and cleaned the oil tank, and discovered a busted throttle cable. Also discovered that the tank had the wrong cap. Strange......back to seeking parts.

Tank Repair

Classic Velocity

Job one was getting the tank to hold fuel. It had a number of pinholes along one lower edge, and I applied a dose of Caswell sealer to the area and then to the whole inside of the tank. It seems to have done the trick, so now we move on to the petcock....

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RD Stands For ReciDivism

Classic Velocity

If you have to ask, you would not understand. Another RD, and this one in sad shape. A leaking tank, broken throttle cable, unknown yamalube function, etc. It was almost free, so that is the saving grace. I do love the marine blue paint scheme. Much work ahead.....

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