Bike ran without igntion

Discussion in 'The Workshop' started by xenovia, Dec 6, 2007.

  1. xenovia

    xenovia New Member

    Messages:
    220
    Took my bike out for a little ride, when i got home, I couldn't turn it off by the ignition. Whether the key was in the off or the on position the bike was still running...

    Also it was idling very very high, and it was revving on its stand.
    It got really hot, and then started steaming. The only way I could stop it was by pulling the petrol line off. And then taking the HT Lead off.

    Does anyone know what this problem could be?

    NB its a Benelli 491 Minarelli LC 70 (polini cast iron kit).

    Could this be caused by the fact that I might have the 2 tubes that go from the carb to the head on the wrong way round??
     
  2. capri dave

    capri dave Active Member

    Messages:
    5,076
    it would more than likely be a worn or dirty ignition switch contacts...
     
  3. xenovia

    xenovia New Member

    Messages:
    220
    but that wouldnt explain all the smoke + steam would it?
     
  4. wobbly_trials

    wobbly_trials Active Member

    Messages:
    6,676
    Rides:
    RD350, SR125, ICE125
    if it was revving you probably overcooked the headgasket

    check the ignition wires.
     
  5. darrenn

    darrenn Member

    Messages:
    170
    nah it wont be the two little head pipes, but saying that they are a biatch one came off on my bike i had the same problem it was leaking and steaming and usually you have to take the belly pan off to get to it to put it back on but i got some pinocio long nose fuckers and put it on lol.

    could be the contacts in the ignition tho like already stated ..

    darren.
     
  6. Haresign

    Haresign New Member

    Messages:
    1,231
    Rides:
    GPR50 + Peugeot 307
    My Stalkers just done the same thing AGAIN about 10 mins ago.


    Going along at 30, felt a loss of power, pull throttle back a little more and it started bogging.

    Stopped, the ped was ticking over really high and wouldn't turn off with the ignition.


    It must be something to do with timing as me and xenovia have just had cranks replaced. And I've checked just about everything when it happened before.

    How can I check the timing and what else could be the cause (head gasket is fine)
     
  7. xenovia

    xenovia New Member

    Messages:
    220
    I don't think it can be timing on mine, because tweak just swapped a stock crank for another stock crank...
     
  8. MiNoR cOnFuSiOn

    MiNoR cOnFuSiOn Administrator Staff Member

    Messages:
    14,276
    Rides:
    et2 monster
    erm, both 2 extreeme barrels? sounds like heat so recheck jetting/choke
     
  9. xenovia

    xenovia New Member

    Messages:
    220
    mines polini iron
     

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