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Yamaha 3.5.air cooled

magnetono59

New member
I was recently given a Yamaha 3.5 air cooled outboard engine. Looked like it had been out in the open for many years. I had to drill out two of the screws holding the cowling. However after dismantling the carburator cleaning out and priming, the engine started. My problem was to stop it as the stop button is not working and I cannot see how it is removed. Now I would like to do a bit more work on the enging. I have looked online for a service manual but cannot find any for this engine. Would any member have a manual for sale or be able to supply a copy. Any help would be appreciated.
 
Thank you for replying to my question. The model no is Yamaha 3.5AC. there is a plate on the mounting bracket which has the following information. 642 S 012275. Hope this is correct as it is the only label I can find on the engine.
 
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