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    4. what types of oil go in a 1971 yamaha rt1b and how much
    what types of oil go in a 1971 yamaha rt1b and how much

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    0  Views: 536 Answers: 1 Posted: 12 years ago
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      Two cycle oil. You need to check and see if it has an oil tank, or it simply mixes in the fuel. The exact mixture is one whre you are going to have to investigate it further. Regardless of being the correct mixture or not, they were known for fouling plugs when the engine wasn't under a load. Just one of those characteristics of 2 cycle engines from that era.

      12 years ago. Rating: 1
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        Shootah

        Look under the seat for an oil injection system, or for a ratio chart for oil mixture. If you don't find one there, look on the side of the oil bottle for a mixture ratio.

        You might want to see if there is a local Yamaha dealer who might know the proper mixture ratio.
        commented 12 years ago


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