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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
2001 Xr250
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[QUOTE="TexKDX, post: 124480, member: 16276"] The stock XR will benefit from the basic breathing mods, all $0 efforts, and can be run with the stock jetting around sea level up to 5k feet no problem. The $0 mods are: - pull the snorkel out with a pair of pliers from under the seat - cut the screen out of the stock air filter basket with a utility knife - pull the stock baffle out of the muffler - Dirt bike spot welded a steel rod in then beat it out with a hammer - pull the head pipe off and grind the head flange welds down with a dremel or carbide cutter in a hand drill Unless you buy a closed-course MX bike or a KTM, you can't get away from these types of mods. Even the WR426/250 needs these types of mods. The stock carb on the little XR is easy to get to for jetting changes, unlike the carb on the yamaha 250 and 426. Gary Hazel at Thumper sells the 34mm pumper carb but says it is of marginal use with the stock cam. Cam changes on the XR create their own problems and are usually judged as not needed if you want a good reliable bike. It might make sense to have te 34mm on a stroker/big bore/hot cam/ported head bike, but for anything less than that throttle response will suffer with the larger carb bore over a rejetted stocker. With just the free mods listed above, my '99 has excellent throttle response and mid-range power. It is also hard to stall and has great lugability. A friend rode it yesterday and had recently rode a 400. He disliked the 400's ergos, weight, and height, but liked the little 250. I've got just 20 miles on mine in the sloppiest conditions I've ridden in years. The bike flat handles, has great ergos and brakes, and puts the power to the ground. I am gonna like this bike. It will do everything my street legal wr400 did but with comfort and less weight, except for the big rush of power on top I rarely used. [/QUOTE]
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Which ocean is California closest to?
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
2001 Xr250
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