View Full Version : Rich or lean for cold weather?
timewass
11-27-2002, 02:17 PM
My 400 EX is currently running a 160 main with a Pro Circuit T4, Everything else is stock and the air box lid is on. It seems difficult to start when cold. It taked a while to warm up and it doesn't have as much top end power as it had when it was warmer out. Should I jet it leaner or richer for cold weather? I'm thinking richer because the air is more dense and that means more of it is getting in the cylinder.
EvilJester400EX
11-27-2002, 02:53 PM
set your pilot at 42, helps with cold starts
airheadedduner
11-27-2002, 03:16 PM
Cold air is denser so you will have to richin it some.
NTPRacing#19
11-27-2002, 03:23 PM
rich
outlaw319
11-27-2002, 04:16 PM
Survey says.........."RICH"
BigThumper33
11-27-2002, 05:12 PM
I wish I was rich. But all these quad parts are taking my money so I dont have money to get for to eat, so i'm stuck being lean lol!
turn ur air/fule mix screw to 3 1/2-4 turns out
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