My first RK 525 XSO chain lasted 8,500km untill it was as dead as Padmei's front MT21...
My 2nd RK 525 XSO chain has lasted 17,000km so far and has 1 notch on the adjuster to go to match the 1st one.
I've used the same rear 43t sprocket with both chains.
For some reason it was still in mint condition even with the stuffed 1st chain.
I think I'll go to a DID this time.
Still tossing up 525 vs 520 though.
I've decided my MT21 is just about reaching it's prime.
How deep is the canvas on those![]()
Just for you nordieboy
I FEEL THE NEED, THE NEED FOR SPEED
my ride picshttp://picasaweb.google.com/sueycarter
other ride pics http://picasaweb.google.com/113645336286831595353
Just measured the old and new(ish) chains.
The old one is 3mm longer over 20 pins.
That makes about 3cm longer over 110 links![]()
Does the DR manual quote a length for the wear limit?
The KTM books say 272mm for 18 pins is the wear limit on the 520 chain (same pitch as 525). I've found as the chain gets to about that, wear accelerates dramatically. This point is about where the chain can be lifted off the rear sprocket by 30-50% of the teeth height - as a rough guide.
Cheers,
Colin
Originally Posted by Steve McQueen
The next farkle is on the way...
Shouldn't intiminate the competition too much![]()
They're on their way![]()
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