philbrad73 Posted March 10, 2009 Share Posted March 10, 2009 HI I'VE GOT A 98 THUNDERCAT IT'S STARTED MISFIRING AT 6000RPM AT IDLE AND 9000RPM UNDER LOAD (ALL GEARS) AT BOTH TIMES THE REV COUNTER NEEDLE DROPS TO ZERO FOR A COUPLE OF SECS THEN BACK UP? IT'S A CONSTANT MISFIRE AND WON'T ALLOW THE REVS ANY HIGHER SOME SORT OF INBUILT PROTECTION/FAULT CODE? I'VE FOUND A THREAD ON ANOTHER FORUM OF SOME ONE WITH THE SAME PROBLEM BUT NO ANSWERS? ANY HELP REGARDS PHIL Link to comment Share on other sites More sharing options...
scritty Posted March 23, 2009 Share Posted March 23, 2009 HI I'VE GOT A 98 THUNDERCAT IT'S STARTED MISFIRING AT 6000RPM AT IDLE AND 9000RPM UNDER LOAD (ALL GEARS) AT BOTH TIMES THE REV COUNTER NEEDLE DROPS TO ZERO FOR A COUPLE OF SECS THEN BACK UP? IT'S A CONSTANT MISFIRE AND WON'T ALLOW THE REVS ANY HIGHER SOME SORT OF INBUILT PROTECTION/FAULT CODE? I'VE FOUND A THREAD ON ANOTHER FORUM OF SOME ONE WITH THE SAME PROBLEM BUT NO ANSWERS? ANY HELP REGARDS PHIL Hi i have a similar intermittent prob with my 98 cat it feels like it only firing on 3 cylinders then the rev's just drop off ive tried all sorts ended up the guy in the bike shop recommended using a fuel additive for carb icing that seems to have done the trick Link to comment Share on other sites More sharing options...
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