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Rossier
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Posted by: BigVince

Anyone got a jetting recommendation for a Rossier for a 06 yfz450?

Riding elevation is always below 800 feet and warm.

Existing mods
Cam Mod
Removed Air Box Lid

Thanks in advance

Posted by: 3RDI

I have an 05 YFZ, I'm at sea level, full Rossier exhaust, open air box, Pro design intake, K&N filter with Outerwear wrap and I'm jetted at:

#168 main
#48 pilot
2nd clip from the fat end on the NCVQ needle

This is just going to give you a starting point...each quad is different.

Posted by: BigVince

Thanks... ill give it a shot