Octane levels
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Thread: Octane levels

  1. #1
    Junior Member glassyandsunny's Avatar
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    Apr 2013
    Do different octane levels affect the performance or mileage on the T Dub? Thanks

  2. #2
    Senior Member old mad max's Avatar
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    Mar 2011
    Gobles, michigan
    The rule is use the lowest # of octane that will not cause pinging. If the motor pings then go up from 87 / 89. It's just pouring $$$ out the window with higher octanes. OMM.

  3. #3
    Senior Member David G.'s Avatar
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    Aug 2011
    Springfield, Oregon
    My bike doesn't run any differant on any other octain levels, so I just buy the cheap stuff.

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  5. #4
    Senior Member frog13's Avatar
    Join Date
    Jun 2011
    SW, Ohio
    Go with what the manual advises.....usually the compression of a particular engine determines the octane....I know,there are more factors than just compression ratio.87 is just fine with TW's.

  6. #5
    Senior Member silverhead's Avatar
    Join Date
    Apr 2013
    Central Iowa, USA
    I get pinging noises out of some of my motorcycles on 87 octane gas when it's really hot outside, say 100+ degrees and I have left the bike idling at a stop. When I take off it's "plink plink plink" as I leave 1st gear. I have solved the problem on those bikes by using 91 octane gas.

    So far I have not heard any signs of it on my TW and I was riding it off road in 95F weather just two days ago. The only difference I was feeling was my clutch. The engine sounded like a sewing machine the whole time (which is good.)
    1993 TW200

  7. #6
    Senior Member scotti158's Avatar
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    May 2013
    Groton, NY
    I get a little pinging during extended slow speed trail riding at low rpm's if I use 87 octane.
    2013 Yamaha TW200

    1996 Yamaha TW200

    1995 Kawasaki KLR650

    2002 Yamaha RoadStar 1600 with sidecar

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