High RPM Troubles

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High RPM Troubles

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CBR Forum >> Past CBR Models >> CBR 600F4 >> High RPM Troubles

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High RPM Troubles - 6/18/2005 10:01:19 AM

99bluflip

Posts: 2
Joined: 6/18/2005
Status: offline

Ok heres the deal. The thing will Idle, and run low rpms all day no sweat. When I get into it Hard, Maybe wheelie, it'll run rough, bog down, surge once or twice and then die. I was able to nurse it home using the choke all the way up. Any Ideas. I've changed the fuel filter, checked all the air lines, sprayed the carb, done the testing that the manual says to do. It didn't seem right BUT the manual says to diconnect the fuel valve relay, check for voltage on the soleniod valve relay get voltage at the first pin, check voltage on the second pin. Then says turn it on put it in gear (rear supported) get bat voltage at the pin, under 18mph...should get nothing above 18mph and that is the case. It goes to the Left says Normal Faulty Soleniod Valve Realy or down Abnormal and mopves onto another test. Anyway I came up with that soleniod being bad but you guys tell me what you think. I'm only an aircraft mech i don't really know too mnuch about bikes... I'm slowly learning

Post #: 1

RE: High RPM Troubles - 6/30/2005 1:35:32 PM

99bluflip

Posts: 2
Joined: 6/18/2005
Status: offline

Thanks for all the help guys

(in reply to 99bluflip)

Post #: 2

RE: High RPM Troubles - 6/30/2005 7:25:45 PM

milletary

Posts: 75
Joined: 6/26/2005
Status: offline

Jetting may be off what do your plugs look like. Also carbs boots might be loose or have a split/crack.... I'm no mechanic but I would start with visual of the plugs, color / condition, then check the boots. Also change the fuel filter, air filter, ..... the simple things ......

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2003 600RR Yellow

(in reply to 99bluflip)

Post #: 3