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    2008tana's Avatar
    2008tana Posts: 5, Reputation: 1
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    #1

    Oct 14, 2008, 03:49 AM
    Yamaha FZR 91 weak spark
    Bike started and went fine ,came back 10min later and won't start only cranks for ages then backfires ,it has a very weak spark now.:confused:
    2008tana's Avatar
    2008tana Posts: 5, Reputation: 1
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    #2

    Oct 14, 2008, 03:50 AM

    Its got to be the vr

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