CBR 600F4 1999 - 2000 Honda CBR 600F4 Forum

From the top. Here we go

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Old Jan 14, 2013 | 10:28 PM
  #1  
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Default From the top. Here we go

Heres my story from the top.

Put to much fuel stabilizer in my tank.
Fouled all my plugs.
Drained all the gas out of my tank.
Fresh gas/4oz seafoam.
Changed plugs.
New batterie

Fired right up!
let it run for 20 mins on idle.
Drove it to my parents 15 minutes away.
Stored the bike in the garage.

Went to start it back up a month later... Nothing.
Have changed::
plugs
fuel filter
air filter
plugs again.
Ran for 2 minutes.
Died.
Cant figure out the situation here.
Plan on draining the float bowls. cuz i did not do that.
If that doesnt work, i cant figure out what to buy next..
More gas maybe? its probly half maybe a quarter..
4x ignition coils
or
Fuel pump.
What you guys think?
 
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Old Jan 15, 2013 | 07:13 AM
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Bad fuel might not be a bad place to start. maybe try putting some brake/carb cleaner directly into the carbs and firing it up that will at least burn all that fuel out of the carbs so you don't have to take them apart. After that I would do just as you said but I wouldn't put seafoam or sta bil in it any more use this http://mystarbrite.co/startron/
that is a fuel treatment geared towards bikes more than cars and trucks.
 
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Old Jan 15, 2013 | 04:44 PM
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In this order= I would clean the tank and make sure there's no rust, inspect /replace the fuel filter, test the fuel pump (if need be it can be bypassed for a short fix), test /replace the fuel cutoff switch /relay. Than inspect /replace the secondary air filters, check all hoses and vacuum lines connected to the airbox insuring that they are plugged into the right places on both ends. If its still not working right I would move onto the wiring harness inspecting it and making sure all the connections are plugged in all the way /that they are clean and I would pack every connection with di-electric grease as well, Check the battery to see if its still good and that the alternator is charging it properly. Than finally I would start thinking about the carbs; I would make sure that they are sync'ed and clean.

Edit: when your bike was running what was it idling at?
 

Last edited by CJardine; Jan 15, 2013 at 04:47 PM.
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Old Jan 16, 2013 | 08:31 PM
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Well iv done most of that, it has to be something simple.
Before it decided to just turn on me.
It was at 1300 rpm, idleing great.
Took it to my parents house running perfect.
Month later after just sitting their.
This happens.

I think its gotta be the vaccum lines...
would that make it not want to idle at all?
like if i have the wrong tube hooked up to the wrong spot on in airbox.
I plan on following all of them to the source to make sure they havnt came off.

It just starts with new plugs. Runs for like 2 mins, then idles way down.
i didnt touch the throttle then died.
Tryed to fire it up, just ends up smelling like gas.
Sometimes shooting a flame/backfire out the pipe do to so much gas not being burned.

It has to be something simple lol.
 
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Old Jan 17, 2013 | 12:47 AM
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And all you've done is put a slip-on and aftermarket air filter in. The vacuum lines terminate at the Airbox so as long as they are plugged in your fine. Have you tried to bypass the fuel pump? Running straight from the filter?
 
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Old Jan 17, 2013 | 07:34 AM
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yep just k&n and two bros slipon.
I plan on by passing the pump on my next day off.
Anything else i should attempt?
I have to take the plugs out and wipe them down cuz im sure theyr full of fuel atm.

I just dont think its the fuel pump cuz it floods out, but i guess it could be..

How should i go about bypassing the fuel pump?
 

Last edited by EViR; Jan 17, 2013 at 07:39 AM.
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Old Jan 20, 2013 | 07:58 AM
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Alright i got it running finally!!!
I cant really tell u what i did to get it running but heres a rundown of what i did.

After shotting a couple shots of starting fluid i got it to crank over but i had to give it alot of throttle to get it to fire up.
After i got it to fire it still died.
So i thought maybe it was the plugs again, i took all 4 of them out and 2 out of the 4 didnt look like theyv even been fired on (no gas smell no dis-coloration).

After seeing that i thought it was a fuel issue. i noticed. their was a very little amount of fuel in the filter. trying to prime the fuel pump by turning the key and they still trying to fire it. Still no gas in the filter!?

Took some gas and filled the filter up manually.
and what do u know, freakn fired up and ran and idle'd.....

So heres my new question, after letting it idle and revving it up for 30 mins or so. I was curious if the pump doesnt run all the time? because mine doesnt give the vibrating feeling all the time.. if i put my fingers on it when i turn the key it primes i can feel the click. But it doesnt always vibrate... Is this pump just kick on when the filter is getting low?
Or does mine have a short in it and i need a new one.

Thanks for the help
 
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Old Jan 20, 2013 | 12:48 PM
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Well it sounds like the petcock is clogged.
 
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Old Jan 20, 2013 | 01:13 PM
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That was my first thought so I had the gass to off took the hose off and turned the gas to on.
Gas came gushing out. Lol
Whats the difference on the on ... on the top of the petcock and the on...
On the bottem. Lol that was hard to put.
 
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Old Jan 20, 2013 | 08:19 PM
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haha I know exactly what you mean though. Over xmas I was having a hard time starting my bike, right before desperation I said to hell with it and flipped it down and all of a sudden it was running like a champ. Fresh full tank so I couldnt tell you what the difference is other than that we dont have a reserve. Unfortunatly I am 1000s of miles away from my bike and manual and I dont have a digital copy so I couldnt give you an informed answer off the top of my head about your fuel pump. Hopefully someone smarter than me will chime in and let you know.
 

Last edited by CJardine; Jan 22, 2013 at 01:57 PM. Reason: spelling errors
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