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Thread: Gto 110 Problem

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    Default Gto 110 Problem

    Salaam everyone.I have a kawasaki gto 110.Last week was doing about 120 km/h when suddenly its rear tire jammed.I was lucky that bike did not slip and i managed to control it.When i took it to the mechanic he told me that crank has broken.So i had it replaced.Yesterday same thing happened to me again this time i was trying to reach its top speed when its crank broke again.i wasn't so lucky this time got 3 stitches on my leg . So my question is what is causing the crack to break and can it be the size of the piston cuz its 0f 100 size ?

    To personally satisfy my own adrenalin needs, I've been racing Bikes a little bit, which has been fun.

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    that sort of crank failure is usually bad vibration because the crank wheels are not truly balanced, cases out of true or the crank bearings are not getting oil, inspect the bearing retaining plates inside that oil can actually reach the bearings inside, Some very square shoulder bearings can block oil supply. Or if you have a machinist make a sleeve for the bearing - it can be a cause of failure too, unless you are positively sure that oil was getting to the bearing.

    When I was rebuilding my workhorse Rx115 - I had to look for the main bearings in the bearing market of Karachi to finally get the slightly rounded shoulder bearings I wanted - the bearing bosses were loose so I had them tig welded then ground and trued, finely made oilways. The crank also needs to be trued one wheel at a time then both as an assembly with a dial indicator on the axle wheels and loctite bearing tite on the big end crank pin, You only have one shot to true the crank within 15 minutes before the glue locks the pin in place.

    The crank assy then needs to be pressed in the cases with a puller NOT A HAMMER like the ullu and stupid bike mechanics in Pakistan use.

    that workhorse bike served me without complain EVER for about a decade. The engine never vibrated, never sounded noisy and never ever shorted out a spark plug (I was using the original oil system though with Emarat 2 stroke oil). I used to replace its spark plug every year.

    It takes precision to make an engine reliable.
    ZRS - Zulfiqar Racing Systems ..... - professionals at work - at crackwheels.com

  3. #22
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    AmmarFaiz's Avatar
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    Default

    dang bro get that bike fixed more thoroughly since it is more than the crank problem unless you got a faulty crank.. get well soon
    -

  4. #23
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    Default

    Quote Originally Posted by outlaw92 View Post
    Bhai kisi old bike ka engine hai rs 125 i think
    bro from where did u bought aprilia engine in ISB?
    ***SPEED+ACCURACY+AGGRESSION=YAMAHA RX115***

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    @RX115
    Brother got it by chance from auto race but its still full of problems i'm unable to find most of the spare parts and still haven't been able to find a right mechanic for this job.InshAllah will upload pics soon as i get it back.
    To personally satisfy my own adrenalin needs, I've been racing Bikes a little bit, which has been fun.

  6. #25
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    Default

    @asjdsm
    Yes brother rs125 rotax 123 engine.

    @GTO110
    For 12k.
    To personally satisfy my own adrenalin needs, I've been racing Bikes a little bit, which has been fun.

  7. #26
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    Intelligence without ambition is a bird without wings.....!!!

  8. #27
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    Default

    get its service manual printed,, easily available,, that would help u a lot..

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