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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
520 or 380? I cannot decide
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[QUOTE="garrym, post: 118348, member: 23893"] Maxfactor, It is a "White Brothers" system that normally retails at around $1200 AUS but I got the system with the carbon fibre muffler since they were sold out of the aluminium type, hence the extra cost. Just to add a little twist to things, I just found out there is a 540 upgrade piston kit for the 520 supplied and manufactured by KTM for their racing team. Apparentley it has been tried and tested here in Australia with excellent reliability as per original standards. (which are pretty good for the 520). "They" say that it will give an extra 10 ponies with more torque. But all this aside, will that larger piston take away from my now excellent throttle response , putting me back to square one or will those extra whopping 10 ponies make up for it. Lets face it, 10 more Hp (if it's true) on top of what is already there is pretty serious. Correct me if I am wrong but dyno readouts here have shown 54hp at the rear wheel in standard trim, I've never seen these readouts, I've only heard about them. This would throw the power over the 60Hp mark. Hmmm. Any comments? This kit is $2400 AUS plus $300 fitted without compramizing factory warranty which ain't worth much on these bikes anyway. [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
520 or 380? I cannot decide
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