Suzuki GN250 Sputter and Die issue

Discussion in 'Bike Maintenance and Repair' started by lappies, Aug 28, 2021.

  1. lappies


    Aug 28, 2021
    Likes Received:
    Hi Everyone
    I hope someone can help.
    My 1992 Suzuki GN250 have a problem no power.
    It starts no problem rev up and idle with no issues, but the problem starts when I put it in gear and try to pull away.
    When I try to pull away it starts sputtering and wants to die as if it does not have any power.
    I open the carburettor, clean out all the jets set the float level as per manual, check the diaphragm no hole.
    check for air leaks by spraying carburettor cleaner around the carburettor when it is idling no air leaks.
    new air filter, tested CDI all ok, tested pickup coil all values according to manual.
    I also installed a new spark plug and new fuel.
    I tried to set the valve clearance according to the manual and I think I done it correctly when bike was cold and on the Compression stroke.
    So I am at a loss can someone please help? I am out of options.


    lappies, Aug 28, 2021
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