i think you wanted to put kmph there......by the way the headlamp assy shakes even at lower speeds......not the bike.....there might be something loose here and there.....ask the svc guys to rectify it.....and regarding your second problem.....use clutch to get smoother transition........
@all
have any one tried some really really long distances with the bike yet....i meant 1000+kms continously???


?
may be something else but
might be in the disk break
. So its not the problem. Can you specify when the choking occurs? Does it happen when you open the throttle and engine refuses to rev? Usually these kind of problems occur due to improper carburetor tuning
. What's the average you are getting?

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