1971 Johnson 125HP outboards Service Repair Manual P/N JM-7111, Page 47Get this manual

1971 Johnson 125HP outboards Service Repair Manual P/N JM-7111, Page 47

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DESCRIPlON
At the top of the piston stroke, the compressed fuel-air mixture is ignited timed spark and the cycle begins anewIn an outboard tor engine 1ig atthrottle, this cycle repeated 5000 tim