520SX ate my stock chain

Use a o-ring chain and about 4 fingers between chain and swingarm. thanks goat

Is it true o-ring chains sap horseponies?

Believe me, You wouldn't be able to notice on the 520.

Anyone else have any exerience with a 2002 KTM 520 SX eating chains, mine broke a pin after about 8 hours of use, no the chain was not too tight

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