YFZ450 jetting info
#1
YFZ450 jetting info
Need to know if anyone is running a GYFR(factory yamaha perf pipe) On there YFZ450. If you are i need to know what your jetting is. I guess someone that is closer to sealevel. Or even if theres a place i can see what jetting i need to be running. Any info would be great thanks!
#2
YFZ450 jetting info
Originally posted by: Ntrx250xJ
Need to know if anyone is running a GYFR(factory yamaha perf pipe) On there YFZ450. If you are i need to know what your jetting is. I guess someone that is closer to sealevel. Or even if theres a place i can see what jetting i need to be running. Any info would be great thanks!
Need to know if anyone is running a GYFR(factory yamaha perf pipe) On there YFZ450. If you are i need to know what your jetting is. I guess someone that is closer to sealevel. Or even if theres a place i can see what jetting i need to be running. Any info would be great thanks!
Airbox lid still on, or removed??
Cam mod done????
Aftermarket airfilter??
Here is my set-up, hopefully it will give you a ballpark idea.
Stock motor
DR D pipe
Airbox lid removed
Stock airfilter (for now)
172 main (stock 158)
stock needle 5th clip (stock 4th clip)
45 pilot (stock 42)
Fuel screw 2 1/2 turns out
I am also at sea level.
If you are set up similar to mine, maybe this will give you at least a starting reference.
Hope this helps.
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