2016 metropolitan new performance exhaust. Does EFI need to be adjusted

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basilwatts
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2016 metropolitan new performance exhaust. Does EFI need to be adjusted

Post by basilwatts » Tue Dec 12, 2017 12:57 am

I have read with a performance exhaust you have to adjust the carb. Does the same apply with the efi or does it do it automatically?

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Re: 2016 metropolitan new performance exhaust. Does EFI need to be adjusted

Post by tiny » Thu Dec 14, 2017 8:38 pm

That's a good question, I don't think you would need to. Just keep a close eye on the engine after you install the new exhaust.
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Dan Durston
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Re: 2016 metropolitan new performance exhaust. Does EFI need to be adjusted

Post by Dan Durston » Fri Dec 15, 2017 5:34 pm

Your EFI should have an O2 sensor in the exhaust, which the EFI system uses to ensure the fuel delivered is about right. So you should be fine if you have an O2 sensor. If not (unlikely), then you would want to take a look at the spark plug to ensure the mix looks good.
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