Question:

Is a 1970 Yamaha CT-1 2or 4 stroke?

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I thought this bike was a 4 stroke and you didn't have to mix the gas with oil, but someone told me different. If it is 2 stroke, what is the ratio? The bike is a 175.

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  1. 2 stroke and you don't need to mix the gas. (Yamaha rotary injection system)  


  2. just take it to a deeler and get it checke dout if that doesnt work try googleing it

  3. Yes its a 2 stroke.

    32-1 is a good mix for older bikes but I think the CT-1 has an oil injector (could be wrong) which will negate the need to mix the oil in the tank.

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