Belray 5-40W syn
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Thread: Belray 5-40W syn

  1. #1
    Senior Member Swingarm's Avatar
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    Jan 2017
    Houston Tx

    Belray 5-40W syn

    I searched a little but....
    Has anyone run as low as 5 - 40W synthetic? I normally run Mobil1 20-50W but my wife has a heck of a time finding neutral so on a Yamaha dealer recommendation I tried Belray 5-40W synthetic today. She rode it and couldn't believe how easy it is too shift and goes into neutral instantly. I just dont like the thought of 5 weight. We never ride in temperature extremes and usually stay between 60 and 80 degrees.
    Ken and jtomelliott49 like this.

  2. #2
    Senior Member RockyTFS's Avatar
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    Feb 2011
    Hailey, ID
    I use Mobil10W40 synthetic year round. I really doubt that 5W40 would be much different until you get over 95 degrees with hard hill climbing. As long as it is specifically for wet clutches you should be good.
    jtomelliott49 and Swingarm like this.
    2018 TW200
    2014 BMW R1200GS LC

  3. #3
    Senior Member Mattwings's Avatar
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    Mar 2015
    Northville, MI
    I use the 10w-40 Bel Ray synthetic Blend, it is like magic with the TW from a shifting standpoint. Synthetic is a benefit primarily on the friction modifiers, so other than potentially weeping seals from the "thin" oil, I would have no problem using it. Just my opinion!
    jtomelliott49 and Swingarm like this.
    2002 TW200 "The Punisher"
    1998 DR350r
    1996 KDX 200
    Riding in and around the great state of Michigan (usually)

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  5. #4
    Senior Member Maxpower's Avatar
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    Feb 2017
    Waretown NJ
    That oil is fine
    I think 20 50 weight is too heavy for that bike
    Last edited by Maxpower; 10-09-2017 at 09:25 PM.
    Swingarm likes this.
    87 TW

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