Trouble starting

Discussion in 'The Workshop' started by kylespeedfight, Dec 2, 2011.

  1. kylespeedfight

    kylespeedfight Active Member

    Messages:
    549
    Rides:
    New Gilera Runner 70
    On my speedfight, a lot of components of the engine have been replaced. When i turn the engine over its very slow whilst on a jump pack. Once i take spark plug out it spins faster. Also my belt goes loose, tight, loose, tight. Also no other way of starting it cos i dont have a kickstart. Any ideas?
     
  2. oliwest

    oliwest Member

    Messages:
    503
    Rides:
    aerox road legal pit
    buy a kickstart ;)
     
  3. GUNS

    GUNS the usual suspect

    Messages:
    519
    Rides:
    racing SP70 & LX172
    what condition is the jump pack in, and you don't mention your own battery ?
     
  4. kylespeedfight

    kylespeedfight Active Member

    Messages:
    549
    Rides:
    New Gilera Runner 70
    cant put kickstart on because of the washer infront of the nut on the crank, and the jump pack always used to work first time, and battery is new.
     
  5. GUNS

    GUNS the usual suspect

    Messages:
    519
    Rides:
    racing SP70 & LX172
    as the starter motor is working with the plug out, it obviously isn't the relay, as long as the back wheel isn't turning, the clutch is dis-engaged. Which leaves a stiff engine or the starter motor is knackered/tired.

    I so suppose first thing, I would turn the engine round with the variator by hand, see how stiff it was, with the plug in, given that it turns with the plug out on the starter, would skip to ...............

    checking there was no electrical system drain, and check the wiring to the starter motor itself, clean the connections, as it is by the main stand and gets a lot of road salt thrown on to it ..................... but I think all this will pan out that the starter motor is on its way out. If it is for a 50, I think they are about £20, on the 100 about £35.

    the kick start dog/washer on the fan is about £ 3.50 for a new one, if that's all you need. But I can tell you now speedfight kick start mechs are a bad design and prone to failure, they need a lot of installation care when fitting a complete repair kit.
     
  6. kylespeedfight

    kylespeedfight Active Member

    Messages:
    549
    Rides:
    New Gilera Runner 70
    yeah ive had problems with speedfight kickstarts before, nut ive found the problem. The variator washer was missing so the variator was at angle. Thanks to my mate haha. All i need is this washer and it should be fine. By the way, can a ped be started with no variator? I know there will be no drive
     
  7. GUNS

    GUNS the usual suspect

    Messages:
    519
    Rides:
    racing SP70 & LX172
    the electric starter motor, drives a bendix, which engages on the teeth of the outer pulley/drive plate, if you don't have the variator in place, it will have nothing to engage with, in a word, no.
     
  8. FLENG2008

    FLENG2008 Member

    Messages:
    186
    Rides:
    04 vx 125

    what engine components have been replaced?
     
  9. kylespeedfight

    kylespeedfight Active Member

    Messages:
    549
    Rides:
    New Gilera Runner 70
    stator, crank, piston, main bearings, seals, head, barrell, sparkplug, gaskets, flywheel
     
  10. kylespeedfight

    kylespeedfight Active Member

    Messages:
    549
    Rides:
    New Gilera Runner 70
    well if i dont have the variator on, and just put the pulley on, the bendix will catch that? I thought it would but it would be revving very fast!
     
  11. GUNS

    GUNS the usual suspect

    Messages:
    519
    Rides:
    racing SP70 & LX172
    it could be done, as there is a lip on the crank, after the splines. I took it that you were talking of running, none of the pulley at all.
     

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