i am currently running 170 main and 30 pilot for the summer and its jetted perfect. now im wondering should i go to for winter?? a 180 main or 175 main and 40 pilot or 37.5 pilot or 35 pilot 175 main or?? tanks

 

I usually go up 10 so if your runnin the 170 i would just go to the 180. I never change my pilot in the winter i just back my air/fuel screw out 3/4's of a turn and its runs great.

 

my pilot is really lean right now at 30 it pings wen its hot and i let off the gas but i got the air/fuel almost allt eh way in to fix that

 

then i would go with the 37.5 pilot.

 

I run a stock Warrior and have never changes the jetting in the winter. Seems to start and run great.

 

i hope you atleast check the plug color on your warrior?

 

I have a Mikuni pocket tuner and it says if you are at 170 main now, you will need to go to a 175 at 50 degrees colder than you are now, 180 would be too rich and a loss of performance. Altitude you would change at plus or minus 4000 ft. 4000 ft higher (165) 4000 ft lower (175). Just for your info. The pilot should not need to be changed, but the air or fuel screw depending on application, could be turned in or out 1/4 turn.

 

well its jetted for about 75 degrees i will be running between 35 and -5 in the winter

 

180 would probably work ok in that temp. range.

 

How do you know to rejet for winter? My bike runs great when it's cold. I have never looked at the plug though. What am I looking for?

Thanks