Re: 1980 Suzuki FA50 Stock Speed Issues

P D /
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I run 500ml and regularly see 30+ MPH on my almost stock FA50 . And , that's on a very worn top end .

The difference I found was the oil . I tried many different oils from single and multi weights ; dino and synthetic and now I run 15w40 diesel , ONLY .

Maybe I should try 300ml . I might hit 40 ? JK . ;)

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