Maintenance & Technical > KX500 Original

what jetting are you guys that ride dumont using?

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bennieben:
you know what, i think you guys are right. there is not much cooling storming up a long steep sand hill and then just coasting down, and then doing it again and again. i think that i will go one step bigger than the stock main jet and use the 110 from now on too. what do you guys think, maybe a 170?

Hillclimb#42:
170 with 110 both sound like a good plan. But I'm not riding Cali Dunes. 32:1 is a little overkill, if you're using good oil. Ripping like you are, 50:1 is reasonable, and would make the bike run cooler, if kxriders has taught me right. Excess two stroke oil will cause heat and maybe carbon. That would also richen the mixture (fuel to air),  since there would be more fuel in the same amount of charge. I also run straight anti-freeze. how did you notice it was overheating? Leaking or boiling?

bennieben:
i was about to shoot the hill again and my buddy lined up next to me and then started pointing at the bottom of my bike. the tube that runs to the radiator cap was shooting water out of it.

USMC 500:

--- Quote from: blueoval on January 25, 2010, 01:47:43 PM ---I've never seen 93 pump gas in California.  I havn't seen it in and around the Las Vegas area, either.  Does anyone know if it's available in these parts of the USA?   

--- End quote ---

There is a 76 gas station here in pasadena california by my house that sells 100 octane out the pump.

bennieben:
in las vegas, any rebel gas station has 100 octane you pump yourself. they are everywhere. just as common as any other gas station here. its pretty cool  :-D

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