Cold Weather Jetting

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Nov 25, 2000 | 12:28 AM

BansheeX

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Weekend Warrior

Joined: Jul 2000

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I have a 95' Banshee with T-5s, K+N and Dynojet kit. What size main should I run at about 20 degrees. I have been running 320s and that seems good at around 60 degrees.

Nov 25, 2000 | 12:41 AM

DunePilot858

Pro Rider

Joined: Feb 2000

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check your plugs... I run no airbox lid K&N and outerware with FMF fattys with powercore 2's with only 300 mains. I ride at Glamis and the temps vary from about 35 to 80 in the same day.

Nov 26, 2000 | 09:22 PM

Rob4092

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Joined: Jul 1999

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I have oftened wondered how the outside temperature effects jetting.

What is the norm? The hotter the outside temperature, the larger the jet size (ie: increase amount of fuel), or vice versa?

Nov 26, 2000 | 09:38 PM

retro

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Joined: Aug 1999

Posts: 636

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Colder air is more dense. You have to increase jet size to allow more fuel to compensate for more air. You should also think about raising the needle 1 position (lowering clip) and maybe adjusting your air screw.
ERIC