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Air filter

If an air filter is added to AMAL carb do you need to change the needle / and or setting?

Re: Air filter

No expert on fitting an air filter to an M20 but generally fitting an air filter restricts the flow of air into the carb making the mixture too rich. I doubt that you will need to replace the jet needle but you might have to lower it a notch. you may have to also fit a smaller main jet and screw the pilot mixture in a bit.

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