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Suzuki Across always stalls - won't even move

Discussion in 'Technical and Troubleshooting Torque' at netrider.net.au started by Merkin, Oct 14, 2006.

  1. Hi I recently started up my across after a year of no use and have had a huge amount of problems with it. I have troubleshooted most of them but am at a point where I am not sure that I can do any more.

    The bike starts up without too many problems now, though I have been using aerostart when it is being difficult. It runs a little 'rough' (sounds a little bit like a lawnmower) but revs OK, however whenever I put it in gear and start releasing the clutch it stalls every time and seems to have no power even if I drop the clutch at high revs.

    I have done the following:
    - installed a new battery
    - installed new spark plugs - there is a strong spark
    - checked the throttle slide holders - they have about 0.5mm of movement
    - removed, stripped and cleaned the carbs
    - drained the petrol tank and replaced with new petrol and a little wynns 'spitfire' (the old petrol was black when it came out)
    - cleaned air filter with compressor and vacuum
    - adjusted idle screws
    - checked fuelcock - no blockage
    - checked fuel supply at carbs - plenty coming through

    I might have done a couple more things but that is all I can remember for now.

    It blew alot of smoke out when I first started it but it is running very clean now. I tried a quick 'compression test' by sticking my thumb over an open spark plug hole and there was little to no pressure which makes me think it could be a compression problem.

    The thing is - it ran just fine a year ago so I doubt the rings would be the problem as they would wear down, maybe the valves have seized?

    Can anyone suggest anything I could do to figure out what the problem is - I just want to get the bike going so I can take it to a mechanic to get a full service (I shudder to think what this could cost).

    Thanks for reading.