Plomb Posted August 3, 2006 Share Posted August 3, 2006 Hi, am new to this board having exchanged a tart of a fireblade for a slightly rough 98XX the other night. I use a ZX1100(ZZR1100) daily & have done for a number of years, but it's 16yrs old with 87K hard Irish Mls so i hope to tidy up the XX to replace it. I have read a lot of the posts & can't find anything similar to the problem noted above, am hoping someone can help. There was a 'bike through hedge' incident in the XX's past. All the cosmetics were fixed but since then the bike has had a bad stuttter on constant throttle over 80mph. It will accelerate fine from 80 but returns as soon as I stop accelerating. I cant repeat the symptom for the same engine speed in a lower gear, but can for 80mph at a higer engine speed in a lower gear. This leads me to suspect something electrical rather than carb related (standard air filter & exhaust). My first suspect is something to do with the speed sensor or instruments. I zoned in on the instruments as my RVF had a speed restrictor built into the speedometer which told the ECU 'game over' at 112mph (Japanese Import bike). I took the instruments off & the printed circuit at the back is in a bad way. I have ordered a replacement back half of the instruments (very reasonable €70) but am looking for some reasurance that this may be the problem & if not what else to look at. Thanks in advance John Quote Link to comment Share on other sites More sharing options...
Canadian Bird Posted August 3, 2006 Share Posted August 3, 2006 Are you a member of the British Blackbird site? and have you posted this question on it? Contact Jaws on that site. It just seems close to home. That being suggested, solutions to this and almost every problem usually appear on both sites. Cheers. Quote Link to comment Share on other sites More sharing options...
matey_peeps Posted August 3, 2006 Share Posted August 3, 2006 Sounds like a plugged up main jet somewhere. But think of it as a speed-limiting device, as 80mph on the public motorway is ILLEGAL! Quote Link to comment Share on other sites More sharing options...
Iceman_40 Posted August 3, 2006 Share Posted August 3, 2006 Sounds like a plugged up main jet somewhere. But think of it as a speed-limiting device, as 80mph on the public motorway is ILLEGAL! I think your wrong Matey... If it was a plugged main jet it would be more of at X RPM in any gear... not at 80MPH in any gear... Quote Link to comment Share on other sites More sharing options...
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