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 Topic: MC21 reed valve cage query 







Andy
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Andy » Sat Nov 28, 2020 8:45 pm

It's a tricky one to comment too much on, and I will never comment, or allow comment on anything other than standard setup for reasons I've gone over a number of times. It's something you really need to make your own informed decision on, or entrust to a 2-stroke specialist if you're uncomfortable with fiddling. However, in my personal opinion, there's a large [safe] margin for error in the standard setup to cover a wide range of [Japanese domestic] fuels and operating conditions.

Manufacturer's standard settings are always going to be rich. That means for a 2-stroke the standard oil pump is going to over-oil to some degree, and the jetting/needle is going to be rich... it would be financial suicide to release a 2-stroke with edgy/lean settings.

It's common for the filter to be quite wet and oily, as there's always a lot of "stand off" from the carbs. It's also common to see a little oily residue in around the reeds, but there shouldn't really be much more than just a misting.

Sorry to be so vague, but make of that what you will. Remember though, any deviation from the OEM settings is on your own head! Laughing
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Andy.
NSR-WORLD.COM

Please keep all responses to Forum posts on the Forum so that others may benefit.

Please DO NOT PM me for technical advice. My time is precious, and you will probably receive a faster response on the Forum anyway.


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