bel ray thumper oil, wearing out clutches??

2 replies to this topic
  • ktown yamaha

Posted August 25, 2008 - 07:26 PM


has anyone ever heard of or had, a problem with thumper oil messing with the clutch in a race bike let me know. thnx

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  • arnego2

Posted August 26, 2008 - 05:00 PM


I do not have problems with Belray EXS 10w40 thumper oil. I like it but it cost quite a lot of $ well what can be done anyway? :thumbsup:


  • MxWFO

Posted August 27, 2008 - 06:45 AM


I haven't had any problems with it on my Yamaha and I have run it for years in my Hondas. I have never had any problems with Bel-Ray's Thumper Oil.

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