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Need Help for 98 Katana 750 Problem

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  • Need Help for 98 Katana 750 Problem

    I have a 98 Suzuki Katana 750. For the past 4 rides I have been experiencing a problem that I hope someone may be able to help me with. I have a long distance ride to work each day (approx. 140 km each way). My ride to work is great. The bike performs without any issues. However, when I leave work in the afternoon the bike seems like it is running out of gas when I get between 70km/hr to 100km/hr. If I go slower or faster than this range it runs fine. And yes there is plenty of gas in my tank at this time. I have checked the fuel filter and it is clean. I tried putting it into PRIME and that didn't help. The bike just loses power with the rpms sometimes dropping all the way to zero. It usually kicks back in quickly but other times the bike slows right down. When it kicks back in it backfires. If anyone has experienced a similar problem or has an idea of what may be causing this problem I would really appreciate your help.

  • #2
    If the tachs dropping straight out to zero, I would suspect electrical gremlin as a possibilty. Ground for example, Loose connector Ect.
    If its not broke, Hit it with a bigger hammer and blame it on cheap imports

    RIP Dad 3/15/08 Love and miss ya already




    Originally posted by Nero
    Even I played for a minute or so, then I recovered what little manhood I had left and stopped.

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    • #3
      how rough is the road? is the sidestand being juggled down just enough to open the safety? spit sputters and dies, fuel. just up and dies dead, electrical
      99% of the questions asked here can be answered by a 2 minute search in the service manual. Get a service manual, USE IT.
      1990 Suzuki GSX750F Katana
      '53 Ford F250 pickumuptruck
      Lookin for a new Enduro project

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      • #4
        check your kickstand safety switch. with the bike in neutral and running at idle, take your left foot and wiggle the kickstand up and down and right to left with your foot/toe. If it stops running in idle, you've isolated one common problem with katanas.

        I took a wire coat hanger and after i kick up my stand, I hook the wire under the stand so it cannot drop and let the electrical kill switch kill my engine power.

        You can remove the kick stand place in the appropriately sized washers and then hammer the fork back into working compliance measurements but, it can be a real ***** getting that bolt out of a bent open kick-stand-fork, which I'm guessing is the root of your problem.

        Good luck and let us know what ultimately solved your problem.
        sigpic"Walt Dizzl in the hizzl ." Disease Specialist/Katana Cycling Enthusiast

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