CBR 954RR 2002 - 2003 - CBR 954RR Forum

Injector issue

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Old 02-20-2020, 05:28 AM
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Default Injector issue

I got a issue with the 2 outside injectors pumping way too much fuel but the middle injectors seem fine and it will run but idle to about 2500 rpm skips but clears out when you get the rpms up I don’t know what to check or replace I’m kinda new to this type of bike any help will b very much appreciated
 
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Old 02-20-2020, 06:19 AM
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How do you know the outside injectors are leaking?

Injectors are basically valves that are open or closed. The amount of time they're open is controlled by the ecu, with the fuel pump providing the pressurized fuel to go through the injector. The best way to see if one is leaking is to pull the fuel rail back from the throttle bodies and pressurize the system to see if there are any drips.
 
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Old 02-20-2020, 07:36 AM
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When I pulled the air box off the num 1 cylinder the valves had a puddle of gas over them n when I pulled the plugs the num 1 n num 4 plug was black and the num 2-3 was fine
 
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