idle problems, and shifting after a crash. - TwoWheelForum: Motorcycle and Sportbike forums
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post #1 of 5 (permalink) Old 03-05-2008, 06:50 PM Thread Starter
Join Date: Feb 2008
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idle problems, and shifting after a crash.

I crashed my 88 honda 600f hurricane a few days ago. It was a lowside onto the left side of the bike. Slid on the left side for a good 10ft. The left side fairing has substantial damage and will need replacing. But there's a couple problems im now having with the bike that werent present before the crash.

1. I have to give the bike more gas upon startup, and after startup, the bike idles really low. Even with the choke on, the rpms are way lower. Also after startup, It seems i have to give the engine some throttle to keep the rpms up, otherwise it just stall n dies. But i can keep it going with the throttle. Someone mentioned to me that I can adjust the idle screw/switch. Could this be the problem? where can I find this?

2. second thing i notice, is that from shifting into first is noticeably harder than before the crash. Its not enough to make it incredibly difficult to shift, but more like i have to give it a slight stomp. It is harder than before. What could the problem be here? is there anything else i need to check for? could this be a bigger problem affecting other gears?

Any help will be greatly appreciated. And I am new to bikes so, i'll need a lot of help.
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post #2 of 5 (permalink) Old 03-05-2008, 08:24 PM
V-Twin Moddin
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Join Date: Jul 2004
Location: SE Michigan
Posts: 38,916
Got pics of the damage?

Did the carb or throttle wires take a hit?

aka Gas Man

Was: 2002 Kaw ZX-9R

is me till the
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post #3 of 5 (permalink) Old 03-05-2008, 08:31 PM
Join Date: Jun 2004
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my guesses:
cbr600f1 - could be the impact has one or more floats off balance or jammed. Happened to me at a track day.
Gears - you said it went down on the left, chances are that your shifter took a whack. I bent a shift shaft once and the repair was extensive. Try looking at the shifter and the shift shaft to see if they are slightly bent.
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post #4 of 5 (permalink) Old 03-05-2008, 08:33 PM
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Without pics my guess would be a bent shifter rod for the shifting. And either
a messed up throttle at the clip on or idle adjustment screw. Where the idle adjustment screw is I don't know on that particular bike. On my zx6r it is on the shifter side near the frame and motor. Mine is very noticable it is a black knob with a black steel clip around it.
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post #5 of 5 (permalink) Old 03-24-2008, 05:03 PM Thread Starter
Join Date: Feb 2008
Posts: 8
Alright yall, thanks for the replies. Sorry I dont have a camera, so pics wont be possible at this point.

The problem with the shifting was fixed by adjusting the clutch cable at the handlebar.

As for the idle, I adjusted the idle screw to get the idle around 1500rpms.

Even though I got the idle adjusted, the engine cant seem to hold a steady rpm. The needle on the tach fluctuates. And sometimes even dips below 1500 and rises back up after i give it some throttle. The rpm fluctuations arent very extreme, around 100-300rpms.

What should I do to get my bike to idle at a steady rpm? What should I check, and what maintenence would be required? Any help would be appreciated.

Oh and to Warpedrotor: how do you fix an off balance or jammed float?
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