GPZ 500 loosing power at high rpm

mw.gpz · L Plate Warrior Joined: 22 Jul 2014 Karma :

Hi all, I just got a GPZ 500 (first big bike) and it seems to loose power at the top end, at about 8-9000rpm, it's fine up to that point but then it just looses the will to go faster, even in 2nd or 3rd gear. What are the most likely faults?
cheers

TUG · World Chat Champion Joined: 12 May 2007 Karma :

Losing power as in? Is it struggling to rev? Need a bit more information.
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Haz ER-5, innit!

mw.gpz · L Plate Warrior Joined: 22 Jul 2014 Karma :

sorry, it just refuses to rev beyond about 9000, sort of similar to hitting the limiter but without the bouncing.

whitedevil · World Chat Champion Joined: 28 Nov 2010 Karma :

Have a look in the inlet rubbers on the carbs for some restrictor washers.
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GPZ500 sold ~ CBR600FS-2 sold ~ ZX6R sold ~ Street Triple R

mw.gpz · L Plate Warrior Joined: 22 Jul 2014 Karma :

okay will do,keep you posted if it is not.

TUG · World Chat Champion Joined: 12 May 2007 Karma :

Last time I had an issue like this it was on an FZR400 and it was a blocked jet in the carb, it could be a restriction washer like said but to be honest your going to have to take some bits apart to check either solution.
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Haz ER-5, innit!