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it's a good thing i don't ride in the dirt then. i guess that means my chains should last longer. i don't have a thing to say about dirt chains. anyway, i think you've mis-understood a point. i don't remember saying anything about maintenance-free anything. in fact, i don't remember anyone else...

so perhaps in these few intances there are other factors than simply the ring? for example, your o-ring chain has heavier plating? i guess i'd be interested in a lighter chain that got similar wear. anyway, maybe it's all ad hype but the purpose behind the design of the x-ring is, among other...

of course they both wear, however; http://www.rk-excel.co.jp/english/tech1.htm and; http://www.didchain.com/question.html

certainly the purpose behind a better seal is to do a better job of keeping lube in and contaminants out... ... and if successful that should keep the chain happy and healthy for a longer period. otherwise why change the design of the seal?

as reported by Blackstone (and Dyson) -----------tested / univ. averages alu--- 6 / 12 chr--- 0 / 1 irn--- 0 / 41 cop--- 0 / 4 lead-- 0 / 2 tin--- 0 / 2 moly- 441 / 467 nick- 0 / 1 mang- 0 / 1 silv-- 0 / 0 tit--- 0 / 0 pot--- 0 / 1 bor--- 8 / 8 sil--- 8 / 8 sod--- 2 / 5 cal--- 2599 / 2839...

i agree that the purpose of lubing an o-ring chain is to maintain the outside of the chain, not inside the rollers. but it's my impression that a poorly maintained chain will still wear faster. dry, dirty chains will allow the outer part of the o-rings to deteriorate. rust and dirt, even if the...

thanks for the reply sunruh. good point about the straight weight. do they really tend to hold their viscosity better? anyway, i'm still reserving judgement on the viscosity loss til i get more test results, hoping that the loss was due to winter and that the fuel contamination was a fluke. i...

http://theoildrop.server101.com/ubb/ultimatebb.php?ubb=get_topic;f=3;t=002735 i've posted my reports from Blackstone, both UOA and VOA, in the appropriate forums. this is for my 02 fz1. i'd welcome any comments or comparisons.

correct, Max-Cycle is RP's 4 stroke mc oil.

****, here we are on BITOG talking about all the oils we could put in a bike and not one UOA is referenced..?

ok, i'll bite... what's an SM rating, and why is it significant? (i did try a search, but it yielded similar references to the one above.) edit; never mind, i googled it. [ July 13, 2005, 01:57 PM: Message edited by: maize ]

as reported by Blackstone -and Dyson- interval -- 5k miles miles on unit -- 16000 -----------tested / univ. averages alu----- 18 / 12 chr----- 2 / 1 irn----- 81 / 41 cop----- 8 / 4 lead---- 3 / 2 tin----- 0 / 2 moly--- 492 / 467 nick---- 2 / 1 mang--- 1 / 1 silv----- 0 / 0 tit------ 0 / 0...