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#1
11 Feb 2010
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Carb adjustment for altitude CGL125
My Honda CGL 125 lacks power at altitudes over 3000 meters. What is the simplest way to adjust the fuel mixture to get back those 1 or 2 horsepower that I need to climb mountains?
thanks Andy 
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#2
12 Jun 2010
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At altitude, it isn't getting the amount of air (oxygen) that it needs, so either you need to increase the air (modify the intake??) or reduce the amount of fuel to match. going down a jet size is the easy option
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Harley Davidsons, The most effective way of turning petrol into noise without the side-effect of horsepower
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#3
2 Jul 2010
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This may be a bit of a bodge fix, but whenever we were in high altitude areas on ours, I just took the air filter assembly out.
It may have been entirely in my head, but it seemed to work. Birdy
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#4
2 Jul 2010
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That would certainly have helped the mixture
__________________
Harley Davidsons, The most effective way of turning petrol into noise without the side-effect of horsepower
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#5
3 Jul 2010
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Yep, high up - reduce the main jet a by a size or 2.
Also, when tackling a steep uphill gradient, at altitude - take a ferkin' great long run-up 
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