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View Full Version : yfz jetting help plz



foxbud
03-01-2009, 04:43 PM
hey i have a 06 yfz 450
je 13.5:1 piston
hot cams stage 1
racing port and polish
gytr slip on
grty intake
also im in il elevation is 500 ft...

i need some help getting it tuned in. it has troubles starting fast and idle sometimes i just replace jug last yr and rings just put new valves in over the weekend with springs and seals carb 100% cleaned and new seal inside that was bad..

thanks guys chris

Ride1Rob
03-01-2009, 09:02 PM
Go up on your pilot jet.

foxbud
03-01-2009, 09:05 PM
ya ill have to try that one also but do you know where i should start the jetting at even bc the guy who cleaned my carb mixed all my jets up with others so im lost

foxbud
03-02-2009, 09:25 PM
found out today i have a 48 pilot and a 175 main and i was told to put a 172 main in for the cold weather on 4 clip fromt he top sound about right??