not sure, what do you guys think?..

[Eddie Hitler]

https://www.gumtree.com/p/cars-vans-motorbikes/suzuki-gsxr-400-rr-gk76a/89971745

the engine problem, easily fixed? thanks.

[Nope.]

Probably an easy fix.

Its bound to be the carb O-Rings, if its not then parts start to get expensive.

Google GK76A Carb problems and you'll find many, MANY answers.
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Former: Derbi GP1 50, Sachs XTC 125, Suzuki GSXR 400 GK73A, Kawasaki ZX7R, Suzuki DR250, Yamaha RD350
Current: 2011 Yamaha XT660Z Ténéré, 2003 Yamaha YZR-R1 5PW (In Build), 2009 Kawasaki ZZR1400

[Pete.]

Carbs, but I wouldn't give that much for it.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good

[jimspeed]

The engine fault could be as simple as a blocked jet or an air leak on one of the carbs, the rest I dunno sounds like a decent amount of money to spend on something that needs work (or maybe I'm just tight!!)
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Hyosung cruise 125(passed test on, sold) Kawasaki el 252 (better than expected but sold on) Kawasaki GPZ500S first "big"bike.(sold) ZZR600 E5..Z750 2007,ER5, currently on a 2008 Enfield bullet electra x and loving it..
,"Alpha-9: Is there any correlation between dyno rod and dyno kits?"

[Nope.]

Oh, and yeah, its WAY too much money. You can pick up a broken 76A for around £400-£500 usually.
____________________
Former: Derbi GP1 50, Sachs XTC 125, Suzuki GSXR 400 GK73A, Kawasaki ZX7R, Suzuki DR250, Yamaha RD350
Current: 2011 Yamaha XT660Z Ténéré, 2003 Yamaha YZR-R1 5PW (In Build), 2009 Kawasaki ZZR1400

[Eddie Hitler]

figured, ok thanks appreciate it guys/gals