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Repair and troubleshooting information for the Suzuki FA50 Moped.

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Engine won't fire could it be worn rings?

Won't start even with starting fluid. Good spark. Measured compression and got 30 psi. Rings ? The reeds also look ok. Not sure what's next

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Hi Rich ,

Your compression is way too low . I like to see it at something close to a hundred pounds or better .

It will run at lower compression , but , along with that comes lower over all performance .

You could try a new set of rings and a hone ( necessary with new rings ) . But , if the rings are that far gone , I'd think a much better solution would be a next oversize piston set ( piston , rings , clips and possibly a new wrist pin bearing ) and a bore job to match .

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Rich Henry sarà eternamente grato.
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