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derestrict factory restrictor cbr600 2003


Guest stevesullie
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hey guys great site,,im looking to derestrict a cbr 600 2003 that has a factory restriction,,its my mates bike and he has a full licence,,he picked the bike up cheap but needs more power,,the big problem is i dont know if its washers in carbs,,throttle stop or ecu,,hell have to take 250 mile journey to my place to rip the bike to see so if anyone has information to save him a journey it would be great,,,cheers steve

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Its prob same as my zx6, throttle stop and washers in throttle bodies/carbs... that is only an educated guess, and i would await confirmation from someone who had same bike or more knowledge 8-)

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cheers vicki i hope it is just washers in carbs,,if its the ecu that has to be changed itll cost quiet a bit cos as far as i know the hiss imobiliser is controlled by ecu so new locks,keys,ecu=less beer money ha ha

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Check out this


http://www.fiinternational.com/FiResKitA42.pdf


carb models are generally washers, or exhaust restrictions,

Injection = throttle stops and airbox blades to restrict air intake.

throttle stops i can deal with but never saw airbox blades before,,i asume they can be removed easily with out damaging the air box???i have two weeks before the bike makes it down my side of the country again so plenty of time to figure it out,,cheers man,,nice looking gsx,,had one on loan for a while,,great wheelie bike ha ha

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My bike was fuel injected and washers/blades went in inlet manifolds and a plastic stopper on the throttle so it wud only turn about a quarter of its potential. If u message stu (admin) if he dont see this to reply to and ask him, he took mine out for me :)

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Check out this


http://www.fiinternational.com/FiResKitA42.pdf


carb models are generally washers, or exhaust restrictions,

Injection = throttle stops and airbox blades to restrict air intake.

throttle stops i can deal with but never saw airbox blades before,,i asume they can be removed easily with out damaging the air box???i have two weeks before the bike makes it down my side of the country again so plenty of time to figure it out,,cheers man,,nice looking gsx,,had one on loan for a while,,great wheelie bike ha ha

there just big a washers in the airbox. these things are designed not to alter the bike physically, just the perfomance and to be removed at some time in its life, so can be removed without any modification

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some bikes have them in air box not many most have them in the inlet manifold under the throttle bodies/carbs


vicki zx6 was fuel injection and had then under the throttle bodies and a stop to limit the throttle movement as she says above


also some bike can also have a different ecu or piggy back ecu

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