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scooter losing power

  • 21-01-2013 1:31pm
    #1
    shrapnel222
    Registered Users, Registered Users 2 Posts: 3,120 ✭✭✭


    hi all,

    i've had to take the scooter (2 stroke) in to work the last few days, but the scooter is playing up. It starts fine, but then after 10 minutes, any time i stop at lights, it won't rev up again but stays at idle. It doesn't cut off, but takes a minute of playing on the throttle before it revs up again and gets going (splutters a little also). As soon as i release the throttle, same issue.

    I'm guessing this is down to the cold, but is there anything i can do to stop this?


Comments

  • #2
    CJhaughey
    Registered Users, Registered Users 2 Posts: 14,907 ✭✭✭✭CJhaughey


    shrapnel222 wrote: »
    hi all,

    i've had to take the scooter (2 stroke) in to work the last few days, but the scooter is playing up. It starts fine, but then after 10 minutes, any time i stop at lights, it won't rev up again but stays at idle. It doesn't cut off, but takes a minute of playing on the throttle before it revs up again and gets going (splutters a little also). As soon as i release the throttle, same issue.

    I'm guessing this is down to the cold, but is there anything i can do to stop this?
    Sounds like a a fuel issue, probably water or dirt in the carb, have you tried emptying the float bowl out?


  • #3
    shrapnel222
    Registered Users, Registered Users 2 Posts: 3,120 ✭✭✭shrapnel222


    CJhaughey wrote: »
    Sounds like a a fuel issue, probably water or dirt in the carb, have you tried emptying the float bowl out?

    haven't done anything yet as it happened for the first time on friday. will check it out.


  • #4
    miller50841
    Closed Accounts Posts: 1,525 ✭✭✭miller50841


    Was it wet out at the time this happened?

    Check the spark plug and lead had similar problem years ago and that was the problem where the water was getting in/damaged lead.


  • #5
    shrapnel222
    Registered Users, Registered Users 2 Posts: 3,120 ✭✭✭shrapnel222


    miller50841 wrote: »
    Was it wet out at the time this happened?

    Check the spark plug and lead had similar problem years ago and that was the problem where the water was getting in/damaged lead.

    absolutely soaking wet on friday and today. i'll check it out


  • #6
    miller50841
    Closed Accounts Posts: 1,525 ✭✭✭miller50841


    Were you driving along and then loss of power and chugging motion then I would nearly be 100% that's the problem.

    Be best to change the complete lead and plug while your at it.

    It is a design fault while your driving the water is constantly hitting that area.


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  • #7
    shrapnel222
    Registered Users, Registered Users 2 Posts: 3,120 ✭✭✭shrapnel222


    miller50841 wrote: »
    Were you driving along and then loss of power and chugging motion then I would nearly be 100% that's the problem.

    Be best to change the complete lead and plug while your at it.

    It is a design fault while your driving the water is constantly hitting that area.

    think this is spot on. got home this evening. no rain and no issue. cheers. now to hope for no rain in and out of work until i can get it sorted!!


  • #8
    Hotblack Desiato
    Registered Users, Registered Users 2 Posts: 35,408 ✭✭✭✭Hotblack Desiato


    If it happens on cold damp (not raining) mornings then it could be carb icing. HT lead or plug problem would tend to be when it's raining or has been raining. The bike will start fine but will run worse and worse after a few minutes if ice is building up.

    2-strokes tend to be bad for carb icing as the carb isn't right next to the hottest part of the engine, like on a 4-stroke.

    Only real cure for this on my first bike was to let the engine warm up for a few minutes before riding off on cold damp mornings.

    If you leave the bike running with an iced up carb you're still drawing in cold air (and evaporating petrol, which cools the carb body down) so the ice doesn't melt. Stop the engine for a few minutes and the bit of engine heat will melt the ice.

    Scrap the cap!



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