Air Box..... do I need it?

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Beer Runner
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Air Box..... do I need it?

#1 Unread post by Beer Runner »

Can I put air filters on each carb or do I need to keep using the air box? The tech at Yamaha said it's best to stick to the box, is this true? 1981 xj 650. Let me know. Thanks.

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TechTMW
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#2 Unread post by TechTMW »

It's best to stick w/ the box - but I swapped to pod filters a while back because basically, getting the dam carbs out of that bike w/ the box on is a real PIA. (1982 xj650 seca)

I tuned up the carbs and the bike is running well - no jet kit needed. I verified this w/ an Exhaust Gas Analyzer throughout the rev reange.

You mileage may vary, all bikes are different etc etc. I would recommend that you use an EGA to tune the bike if you do swap filters - Running too lean is death for an air cooled bike.
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