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Complete power loss in mid revs (2011 Std350)

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  • Complete power loss in mid revs (2011 Std350)

    A cousin has left for work, and I have been given his 2011 Std 350 for a few months. It was lying unused since 2012 September.

    While riding the bike home yesterday, I noticed that there is a complete loss of power in mid revs. I had to be very careful with the rev range, always keeping it low, because of which I couldn't go past 60 kmph most of the time.

    The engine revs freely when put in neutral. While riding, when I push the throttle to max, it loses power for a couple of seconds, then hickups a bit and picks up power suddenly. I've noticed that the sound is also rather hoarse.

    Any expert opinion is appreciated, I want to have an idea of what is wrong before I give it for repair. Please explain clearly, because I'm not familiar with Bullet (except having ridden it a couple of hundred kms recently).
    ----------
    TVS Apache RTR 160 (2011-12) | Here's my review of RTR 160 after 18 months
    Honda CBR150R (2012-15) | Here's my review of the baby Blade
    KTM RC390 (2015-)

  • #2
    Thread Approved
    Advice is a form of nostalgia.
    Dispensing it is a way of fishing the past from the disposal, wiping it off, painting over the ugly parts and recycling it for more than it's worth.

    Antz Travelz!! | South India Exploration Ride | Leh Triplog (Work in progress)

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    • #3
      Originally posted by sumeshpremraj View Post
      A cousin has left for work, and I have been given his 2011 Std 350 for a few months. It was lying unused since 2012 September.

      While riding the bike home yesterday, I noticed that there is a complete loss of power in mid revs. I had to be very careful with the rev range, always keeping it low, because of which I couldn't go past 60 kmph most of the time.

      The engine revs freely when put in neutral. While riding, when I push the throttle to max, it loses power for a couple of seconds, then hickups a bit and picks up power suddenly. I've noticed that the sound is also rather hoarse.

      Any expert opinion is appreciated, I want to have an idea of what is wrong before I give it for repair. Please explain clearly, because I'm not familiar with Bullet (except having ridden it a couple of hundred kms recently).
      Gotta be carb issue, either the tuning is gone wrong, or the slide is stuck..most probably might be a slide being stuck . Removing the carb and inspecting it should give a good idea. Overall, a carb overhaul will do good. Since the bike was lying unused the petrol in the carb might have disintegrated and formed into varnish. Causing the clogs.
      Do check it our. Most probably it'll solve the issue.

      Cheers
      Ride Safe
      Krishna
      --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

      Run-in Procedure | Power Loss Solutions | Riding Gears 101 | Biking Brotherhood

      P
      ulsar 220F
      |2013 Honda CBR250R|KTM Duke390|Yamaha R3|Yamaha R1|Triumph Tiger XRX

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      • #4
        Originally posted by sumeshpremraj View Post
        The engine revs freely when put in neutral. While riding, when I push the throttle to max, it loses power for a couple of seconds, then hickups a bit and picks up power suddenly. I've noticed that the sound is also rather hoarse.
        Carb slide is stuck! Get it cleaned.
        Got a $5 head? Get a $5 helmet.
        Because everyone who passes, isn't a martyr!

        Bullet Service Guide CBR 250R Parts Manual Fz16 service manual - https://drive.google.com/file/d/0B1-...VFQmJzakk/view
        Hero Moto Corp Bikes' Parts RE STD 350 Wiring Diagram (CI) Service Manual - Classic 350/500
        ZMR parts - https://drive.google.com/file/d/0B-U...it?usp=sharing
        P200NS Spares' prices - https://docs.google.com/spreadsheet/...taGd5R2c#gid=0

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