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Cold Weather VS Warm Weather /JETTING?

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Old 02-15-2005, 11:53 AM
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Default Cold Weather VS Warm Weather /JETTING?

Ok I've got it jetted what I think is just about right.It was in the 40's when it was done. My question is when it warms up does it make it run Leaner or Richer?
 
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Old 02-15-2005, 12:48 PM
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Default Cold Weather VS Warm Weather /JETTING?

When air gets warmer the air molecules spin around faster so the air wants to expand and get lighter. Lighter means less air into carb with same amount of gas so bike runs richer.
Warmer air runs richer.
Colder air runs leaner.
Higher altitude means less atmospheric pressure on the air so less air into carb with same amount of gas and bike runs richer.
High altitude runs richer.
Low altitude runs leaner.
 
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Old 02-15-2005, 12:55 PM
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Default Cold Weather VS Warm Weather /JETTING?

Oldturtle, thanks so much.[img]i/expressions/face-icon-small-smile.gif[/img]
 
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