ok heres the laundry list.... first with history this is a 89 katana 600 engine
and its in a 88 bike so the wiring is all 88..
the engine had been banged up from what looks like a drop or something. valve cover was cracked the i replaced it a found the head needed to be tigthened since it was leaking when warmed. looks like it still may be leaking a little but not to the point it was before. number four carb had a stuck slider which i fixed. but the bike is still idling rough it ether nicely sits at 1k or it wants to idle to 2-5k when warmed up. while driving it the low end lacks then once it hits 5k it takes off, it reminds me of a 2 stroke but after giving it some gas and having it take off if i let off the gas it back fires. it also sounds like one or two of the cylinders is miss firing but not sure its got kind of a clinking noise. the more i run the bike it seems to run a little better... also i put some fuel filters in line to the carbs to add that little bit of extra protection. i was thinking that may add to the problem. also spark plus wires were replaced with msd wires and ngk caps but they are the stock coils i also think i may have cut the wires too long for some of the plugs which if memory serves would delay the ignition a second .... anyways what do you guys think?
and its in a 88 bike so the wiring is all 88..
the engine had been banged up from what looks like a drop or something. valve cover was cracked the i replaced it a found the head needed to be tigthened since it was leaking when warmed. looks like it still may be leaking a little but not to the point it was before. number four carb had a stuck slider which i fixed. but the bike is still idling rough it ether nicely sits at 1k or it wants to idle to 2-5k when warmed up. while driving it the low end lacks then once it hits 5k it takes off, it reminds me of a 2 stroke but after giving it some gas and having it take off if i let off the gas it back fires. it also sounds like one or two of the cylinders is miss firing but not sure its got kind of a clinking noise. the more i run the bike it seems to run a little better... also i put some fuel filters in line to the carbs to add that little bit of extra protection. i was thinking that may add to the problem. also spark plus wires were replaced with msd wires and ngk caps but they are the stock coils i also think i may have cut the wires too long for some of the plugs which if memory serves would delay the ignition a second .... anyways what do you guys think?
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