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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
New Guy Old KDX
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[QUOTE="julien_d, post: 1405821, member: 98751"] If you want to enjoy riding a dirt bike, you're gonna have to learn how to tune it. I apologize for laughing in your general direction, but it genuinely struck me as funny. No offense was intended or implied. Back on track.... If I regularly rode in places 3,000 feet different, I'd carry some diff main jets for sure. You can get away with the pilot being a little lean or rich, but not the main so much. Luckily the main is super easy to swap out. It's that way for a reason ;). You don't even have to take the bowl off! You said you found a place where it ran really well how it was jetted. Use that as your base. If you go way down in elevation it will likely develop a lean bog as the air gets more dense. You go up a jet and see what that does. If you go up in elevation and it gets a little blubbery, you can safely go down a jet. Same with massive temp changes. Cold air is denser than hot air, so this adds additional air to the charge leaning things out. It's a bit of a pain at first, but if you get into a habit of feeling how the bike runs, and taking into account the temp and elevation, it becomes pretty natural. I frequently change needle clip position or main jet size. My pilot hardly ever gets removed, except for a cleaning once in a while. Once you get it close, you'll find the airscrew is really helpful for any non-drastic climate change. [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
New Guy Old KDX
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