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KTM MX & Off-Road Dirt Bikes
KTM Top end question
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[QUOTE="Strick, post: 25285, member: 16681"] Motowrench, et.al.: I am a maintenance freak!! Anyone who knows me on this board or elsewhere can attest to that. One ride per air filter summer & fall, two rides max during winter & spring (I have 6 air filters). Gearbox oil changed every other ride, or every race (Mobil 1 15w-50 synthetic). Gas is never kept for more than a couple of weeks, and I use 50/50 race gas at 40:1 MX2t. I will mic the Wiseco piston as soon as I get it as well as the cylinder. I will also check tolerances with the piston inside. My question to all commentors is this. Why is Wiseco O.K. for all the other bikes out there but not KTM? I can't imagine the piston being an inferior product. KTMs are not the typical type of rebuild. With Z & X dimensions to be considered, there seems to be more to it than other 2-strokes. The biggest reason I ordered Wiseco is, I don't feel I get straight answers at my local KTM shop. Can you imagine a parts guy telling you that at 2000 miles, and 160psi compression (~200 new), that I should just wait to put a new top end. He said until the compression drops to 125, or I feel a power loss should I consider a new top end. HELLO! I think he was looking for a little replating job. Or maybe a total meltdown including bottom end. <Keep in mind this is the same guy that sold me a Delta I, as a Delta II reed assembly.> I already had the bike partially disassembled anyway to put in a Delta 2 reed cage, and do some deeper inspection after my last race, so now is the time! I envy you guys that are treated fairly (and Honestly) by your local KTM dealers. The only other reason Wiseco is attrative is ease of getting the parts quickly. ------------------ Strick '99 KTM 300mxc, AMA & BRC member [/QUOTE]
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Dirt Bike Discussions By Brand
KTM MX & Off-Road Dirt Bikes
KTM Top end question
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