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Just got a second hand 1997 XLT SP, first time riding it this past weekend. Had troubles after first day, 1 fouled plug. Replaced plug, later same day fouled again. Tried the NGK fine wire equivalent, BR8 series, no fouling (yet!!) but very hard to start. Probably 20 pulls when cold, if left overnight but starts easily when engine warmed up.
Also, noticed that the idle speed is higher at about 4000, then slowly drops to 2000 over a period of about 20 seconds or so.
I drained the tank & replaced the fuel filter since the machine had been sitting all last winter (this is the reason he sold it) & used 92 octane. Added sta-bil & gas line antifreeze. Also switched to Amsoil 2 cycle injector oil & replaced the oil filter.
Is there something i'm missing? I looked thru some other posts and it seems that the XLT 583 motor is prone to this problem. Is it the air screw? The choke? The plugs (heat range)? What do you think is the next course of action?
Thanks!!
PS: lots of snow this past week in the Kawartha Lakes region (Ontario) 6", lakes/rivers at 3" thickness - YIKES!!
Also, noticed that the idle speed is higher at about 4000, then slowly drops to 2000 over a period of about 20 seconds or so.
I drained the tank & replaced the fuel filter since the machine had been sitting all last winter (this is the reason he sold it) & used 92 octane. Added sta-bil & gas line antifreeze. Also switched to Amsoil 2 cycle injector oil & replaced the oil filter.
Is there something i'm missing? I looked thru some other posts and it seems that the XLT 583 motor is prone to this problem. Is it the air screw? The choke? The plugs (heat range)? What do you think is the next course of action?
Thanks!!
PS: lots of snow this past week in the Kawartha Lakes region (Ontario) 6", lakes/rivers at 3" thickness - YIKES!!