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2018 Suzuki DF20A slow to reach power

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2018 Suzuki DF20A slow to reach power

Old 07-13-2019, 09:30 AM
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Default 2018 Suzuki DF20A slow to reach power

I installed the engine last year and it has less than 20 hours on it. A month ago my son added 2-cycle mixed gas which caused the engine to run rough but once he figured out what happened changed and ran out the bad gas, I have since changed the gas again. Today, the engine started fine, but would not run over 3600 RPM until I ran it constantly for about 30 minutes. Then it seemed fine while running. However, every time I stopped the motor, the same problem would occur (3600 RPM limit) but could achieve full power after a couple of minutes instead of the 30 minutes. I ran the Suzuki diagnostic software which did not detect any failures. Any ideas? This is making me nuts. Thanks.
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Old 07-13-2019, 10:05 AM
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fuel filter or filters still has residual oil?
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Old 07-13-2019, 11:28 AM
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Originally Posted by 1NO REGRETS View Post
fuel filter or filters still has residual oil?
Thanks. Neglected to say that I did pull off the fuel filter and made sure it was clean
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Old 07-14-2019, 02:55 AM
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Have you pulled the spark plugs to see what they look like?
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