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Dirt Bike Discussions By Brand
KTM MX & Off-Road Dirt Bikes
'02 KTM 400SX vs 520SX
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[QUOTE="Strick, post: 287294, member: 16681"] I have my '02 400SX set up as radical (in a snappy sense) as any RFS I have ridden. A good friend who rides a 520exc, swears my bike is quicker than his, which I agree. That's until you get way up in the power band on that 520 then that gorilla takes over. He is now letting me set up his jetting so he too can experience the whiplash type of power the 520 will offer. These bikes are not 2-strokes in the power band. A 2-stroke develops in maximum horsepower in 1/2 the rpms these bikes do (some speculation given here). I really don't know, if you are a real high level MX rider, that the 400 is enough. KTM is coming out with the 450SX in the fall (late August). That may be the bike for you (6-speed I am told). FYI the 4speed 520 has the same final ratio as the CRF 450 with its' 5speed. What I am saying is top speed would be roughly the same on both bikes. [/QUOTE]
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Dirt Bike Discussions By Brand
KTM MX & Off-Road Dirt Bikes
'02 KTM 400SX vs 520SX
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