6 replies to this topic
  • wr450fyamaha

Posted August 22, 2005 - 06:07 AM


Ok, i ordered a chain and sprokets form the local honda shop........the sprokets are fine, no problems to report. but the chain is a parts unlimited LM 520 PRO5 O-RING CHAIN that is only rated for a 400 cc engine. my xr650l has a ton op power ups such as yoshi exhaust and a hot cam......possably a bigboar and high compression piston. do u guys think i will be ok with this one or do i need to get one rated for say a 750 cc engine. the tensile strength is somewhere around 7400 pounds. do u guys think i will be ok or do i need to go over there and teach them what chains fit what bikes!

  • wr450fyamaha

Posted August 22, 2005 - 06:09 AM


will it wear out faster than one rated for my bike?

  • TimBrp

Posted August 22, 2005 - 08:31 AM


Dude you are constantly looking for the cheap way out. Basically you're making a reliable machine, unreliable. Spend the money and get the right stuff. Obviously if you're asking you know the chain isn't right you just want re-assurance to the fact. Get a good quality X-ring (moose, DID, RK etc.) or staked chain and be all set. JT steel sprockets will be fine. Stay away from aluminum, it's for beer cans.

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  • crmc33

Posted August 22, 2005 - 12:38 PM


you should be OK with a 520 chain even if its rated for a 400cc bike as most road going multi cylinder 400's will be making more power than your XR. Your XR may give the chainer a harder time in terms of transmission snatch and fatigue loading but you should still get a decent life out of it IMHO.


  • roadcam

Posted August 22, 2005 - 01:25 PM


a 7400# rated chain is fine with your bike setup ... my premium chain is only 8200# rated

  • Naru

Posted August 22, 2005 - 02:55 PM


After that chain wears out, it's worth it to spend the money and go with the DID ERV2. Costs a bundle, but your girlfriend will get strech marks long before the chain does.

  • frankstr

Posted August 22, 2005 - 07:39 PM


Get the right chain and quit worrying about it....... :D
Do it right the first time, Cheap out and it will bite you every time.......... :D

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