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  • #1

    A weird problem

    I have a 5 month old Pulsar 135LS, and the odo reads 3700km. For quite some time now, I have had this weird problem.Whenever I accelerate, at about 5000 rpm, there is a jerking action, like the fuel supply being cut off. It happens for 1 or 2 seconds and then the rpm increases normally.This happens almost everytime in 2,3,4,5 gears, and its more pronounced when riding with a pillion, or going on an uphill road.When going downhill, or when I accelerate slowly, it does not happen.
    Its not about water vapor or anything, because its happening at almost a particular rpm value. Any insights into the problem will be hugely appreciated
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  • #2
    Query approved.

    air filter choked?
    (Been There Done That) x 3.25

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    • #3
      no idea

      I have absolutely no idea.I guess it could be something to do with the tuning, maybe the air fuel mixture just isnt right.I actually dont have much knowledge about all this. And the SVC guy tells me theres something in the rear brake , I really dunno whats wrong with these SVC guys.

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      • #4
        Originally posted by Rajesh N Dubal View Post
        I have absolutely no idea.I guess it could be something to do with the tuning, maybe the air fuel mixture just isnt right.I actually dont have much knowledge about all this. And the SVC guy tells me theres something in the rear brake , I really dunno whats wrong with these SVC guys.
        Check the air filter,clean the carb,tune to correct AFR and your problem is solved
        A LOST RACE IS ALWAYS BETTER THAN A LOST LIMB

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        • #5
          Originally posted by vishnups17 View Post
          Check the air filter,clean the carb,tune to correct AFR and your problem is solved
          get it tuned from an expert..thats it..

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          • #6
            Originally posted by Rajesh N Dubal View Post
            Whenever I accelerate, at about 5000 rpm, there is a jerking action, like the fuel supply being cut off. It happens for 1 or 2 seconds and then the rpm increases normally.
            Check the color of the plug, if its black, then your mixture is rich. Get you carbs tuned. Basically what's happening is there's a fuel gushing without air, so it take a few seconds for the air to get mixed & hence the issue.
            Skill is what keeps you on a Motorcycle
            Awareness + Skill is what keeps you out of harm's way
            ATGATT + Awareness + Skill means you might Live To Ride another day

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            • #7
              check if your rear break is fully tightened if so there might be a chance the rear brake rod(the one connecting the rear brake pedal and the rear wheel hub ) is rubbing against the torque arm or any thing else, check when the bike is in stand also when you have some one sitting on the bike thus compressing the rear suspension....had similar problem with my p180 was solved by bending the rod out of way
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              • #8
                Check the clutch coz i had similar simptoms and the clutch was loose..
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                • #9
                  main jet choked??? get the carburettor cleaned and serviced. And clean spark plug ( after checking like aargee said ) and air filter.


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                  • #10
                    there is something with the fuel supply ......petrol not reaching engine properly...check the carbeurator,,,,...air fuel mixture screw.carb tunning...
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                    • #11
                      thnx

                      Hey thanks a lot for all the replys guys, and sorry for a late reply, i was out of town . I will give it for the third service and ask him to do the things mentioned, and get it tuned properly, until then thanks a lot

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