Posted June 13, 200816 yr hi, just wondering if someone can help me i have a fzr400 genesis, on idle it misfires and when im riding it misfires and jerks badly until i reach top end of the revs, i have changed the plugs and also cleaned the carb which had a blocked main jet although it is running better it still is misfiring and jerking can anyone help?
June 13, 200816 yr All i could sugest is check coils and plug caps with a multimeter as they may be breaking down, general checks for loose wiring and dirty connectors. Also if there was enough dirt in the carbs to block a main jet then you may need to spend a bit more time on them, making sure everything including airways are clear.
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