Question about 2001 Suzuki AX 100

2 Answers

Insufficient power at high revs

I purchased a new AX100 a few months ago. It now has 5200km on the clock. After running the motor in, the bike was easily capable of 120km/h on the speedometer, but recently it has developed a kind of miss-fire whereby you cannot extract the maximum revs from the motor. It now gets to 100km/h whereby the motor holds back and does not rev as it should. I have replaced the spark plug with the correct equivalent, I have cleaned out the carburettor, fuel filter and air filter. The exhaust doesnt seem to have too much carbon deposit either. Could anybody with a similar problem please give me some feed-back on this.

Thank-you,
Graeme.

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  • Graeme van Malsen
    Graeme van Malsen Nov 26, 2008

    Thanks rufatty. I will try your solution on the carb. But how does one adjust reed valves?

  • sgauthier Apr 27, 2009

    Did you finally fixed your problem? I have the same problem but not on the same motorcycle.

  • Graeme van Malsen
    Graeme van Malsen Jun 12, 2009

    Hi sgauthier,
    I did manage to solve the problem with my AX 100.
    The owners manual suggests i replace the spark plug with an NGK BP8. This is however not the correct plug for the bike. The original plug has a 7 heat rating and when took out the NGK BP8 plug and replaced it with an NGK BP7, which is a hotter running plug, the bike ran like a dream once again.
    Replace your plug with one that has a 7 heat rating.
    Best wishes,
    Graemevm

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Hello, if you have a bad reed valve buy a new one! Sometimes u can flip a reed valve over, but it will be a short fix. I hope this helps

Posted on Nov 26, 2008

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Sounds like a dirty jet in carb! also adj the valves!

Posted on Nov 24, 2008

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stopped for lunch back on bike it started fine. About 20km later I heard the engine revs on my speakers running autocom of the bike the speedometer started going mad jumping from 30km/h to 220km/m, all over the place. The last time this happened was in France and the bike did not start again, battery was flat, bike shipped back to Ireland. Back in Ireland the dealer kept it for few days, battery was fine just needed to be charged, could find no other problem with the bike. While this time I rode straight to the dealer, about 20km away. When I stopped the bike was dead, no power. They did a test and said the regulator is faulty. Was waiting for new one from Aprilia but it did not arrive today so they took one from a new bike. The bike is charging when reved but does not want to charge at idle so they need to go fishing for the fault. It now also seem my clocks are broken as a result of al of this. ,Check to make sure that all of the chassis grounds are free of corrosion and properly connected. I have never had an issue with charging at temperatures ranging from below zero into the mid/high thirties (Celcius). Even at low speed you will be turning 3000-4000 RPM which should have the charging voltage between 14-14.5 V. Put a multi meter on it and see what voltages you are getting at different RPM's,,,

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