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Thread: Low speed misfire.

  1. #11
    Join Date
    Jul 2005
    Location
    Cheshire
    Posts
    9,348

    Re: Low speed misfire.

    Well, carbs cleaned, just waiting on new rubbers turning up now. Hope that cures the problem as they don't come on their own, only with the needle, spring & washer. 44 bloody quid!!

    I'm only guessing but my theory is that because the rubbers were perished they weren't sealing properly thus allowing air to be drawn in past the threads on the pilot screws & not therefore enough vac to pull the fuel through properly.
    Last edited by phoenix; 9th May 2017 at 06:31 PM.
    Se si muove, sorpassilo. Se non, lucidilo.

  2. #12
    Join Date
    Jul 2015
    Location
    Bury Lancs
    Posts
    821

    Re: Low speed misfire.

    Hope you are right Kev as they are a wonderful piece of kit when they work well
    MOTORCYCLE ACTION GROUP LIFE MEMBER

  3. #13
    Join Date
    May 2009
    Location
    Nottingham
    Posts
    3,466

    Re: Low speed misfire.

    Quote Originally Posted by phoenix View Post
    Well, carbs cleaned, just waiting on new rubbers turning up now. Hope that cures the problem as they don't come on their own, only with the needle, spring & washer. 44 bloody quid!!

    I'm only guessing but my theory is that because the rubbers were perished they weren't sealing properly thus allowing air to be drawn in past the threads on the pilot screws & not therefore enough vac to pull the fuel through properly.
    The full 16 piece carb O'ring set is 9-50 plus the postage for an anvelope from the guy on the OA.
    Surprised you haven't organised one of your group buys.

  4. #14
    Join Date
    Jul 2008
    Location
    the Netherlands
    Posts
    5,180

    Re: Low speed misfire.

    did you check the carb sync? (bit late now anyway)
    ships get called 'she'
    I bet torpedoes don't

  5. #15
    Join Date
    Jul 2005
    Location
    Cheshire
    Posts
    9,348

    Re: Low speed misfire.

    Yes, did that a couple of weeks ago.
    Se si muove, sorpassilo. Se non, lucidilo.

  6. #16
    Join Date
    Jul 2005
    Location
    Cheshire
    Posts
    9,348

    Re: Low speed misfire.

    Sorted

    New very expensive pilot screw o rings in & carbs back in & she ticks over & runs like clockwork.

    So i hope that's the end of my carb problems for a while as I would prefer to dip my balls in boiling oil than work on them!!!
    Se si muove, sorpassilo. Se non, lucidilo.

  7. #17
    Join Date
    Jul 2005
    Location
    Cheshire
    Posts
    9,348

    Re: Low speed misfire.

    Rode it out for the first time today after the repair & the transformation is fantastic. It's almost a pleasure to ride it slowly now
    Se si muove, sorpassilo. Se non, lucidilo.

  8. #18
    Join Date
    Jul 2005
    Location
    Cheshire
    Posts
    9,348

    Re: Low speed misfire.

    Aye, happy day out following sports bike riders one pound coining it around corners!!
    Se si muove, sorpassilo. Se non, lucidilo.

  9. #19
    Join Date
    Jul 2005
    Location
    Cheshire
    Posts
    9,348

    Re: Low speed misfire.

    They remain safe....until next time!
    Se si muove, sorpassilo. Se non, lucidilo.

  10. #20
    Join Date
    Jun 2008
    Location
    east of holland 50feet from the german border
    Posts
    6,168

    Re: Low speed misfire.

    Quote Originally Posted by phoenix View Post
    I would prefer to dip my balls in boiling oil than work on them!!!
    Does Jason know? Which oil would you use?
    Birdie num num........

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