2008 CBR1000RR wont start fuel pump problem? - Honda Motorcycles - FireBlades.org
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post #1 of 14 Old 12-02-2012, 7:30 PM Thread Starter
 
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2008 CBR1000RR wont start fuel pump problem?

Ok so I bought a 2008 CBR1000RR that had been laid down at low speeds. So I paid someone to put on a set of china fairings I had laying around. Now the bike wont start. It was starting and running great when I bought it. Then it sat for about 6 months before I decided to do anything with it and had the fairings put on.

It WAS starting fine... now that I think about it after I had the fairings put on. SO I don't think that's the problem. However my friend pressure washed it the other day and when I tried to start it a few days later it would not. I made sure the battery was charged (hooked it up to my battery tender for a few nights) then tried again.

I have another 08 CBR1k and when I turn the key on that I can hear the pump coming on but on this bike I don't hear anything when I turn the key. I tried swapping the fuel pump relay with the blinker relay to no avail. I also tried turning the switch on the handlebars on and off but that didn't work either. What should I try next? I'm thinking water from the pressure washer messed it up, I saw him do it and he never got too close to the bike. He was just washing down the plastics and the frame (previous owner got plastidip all over the bike and we were trying to take it off).
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post #2 of 14 Old 12-02-2012, 8:38 PM
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

Check your clips/connectors/canon plugs. I GARUNTEE your paid worker just happened to miss one of like 4. Check the left hand side around the intake duct. I can say thats you problem with almost 100% certainty.
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post #3 of 14 Old 12-02-2012, 9:18 PM Thread Starter
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

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Originally Posted by eu4ic1000 View Post
Check your clips/connectors/canon plugs. I GARUNTEE your paid worker just happened to miss one of like 4. Check the left hand side around the intake duct. I can say thats you problem with almost 100% certainty.
I will check and report back. However, I did start up the bike after the new fairings were put on. Here is a rough time line. I bought the bike 6 months ago and it ran great. I got the fairings put on 2 weeks ago (I started up the bike 1 or 2 times after the fairings were put on to make sure everything was good). 1 week ago my friend pressure washed the bike, I did not try to start the bike or even turn the key on. 2-3 days ago I decided to take pics so I could put it up for sale and the bike wouldn't start (low battery it had been sitting for 6 months. I put it on a battery tender for a couple days, the battery was fully charged, and today it would crank but no fuel pump noise.
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post #4 of 14 Old 12-03-2012, 3:07 AM
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

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I will check and report back. However, I did start up the bike after the new fairings were put on. Here is a rough time line. I bought the bike 6 months ago and it ran great. I got the fairings put on 2 weeks ago (I started up the bike 1 or 2 times after the fairings were put on to make sure everything was good). 1 week ago my friend pressure washed the bike, I did not try to start the bike or even turn the key on. 2-3 days ago I decided to take pics so I could put it up for sale and the bike wouldn't start (low battery it had been sitting for 6 months. I put it on a battery tender for a couple days, the battery was fully charged, and today it would crank but no fuel pump noise.
Did you check the voltage on the battery?

Even tho it is 'fully charged' it may not have enough juice to start her up.

Do you have the dash, signals, high beams?

Anyone can drive a fast bike, few can drive a bike fast!
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post #5 of 14 Old 12-03-2012, 11:40 AM
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

Voltage may read 12-11.5, but may not be producing the amperage because of degradation. We have aircraft batteries that will hold 23.5 volts out of 24, but when you go to crank, it plummets down to 3 or 4 because it's got nothing in there. ^Lights is going to be a pretty good check on that.
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post #6 of 14 Old 12-03-2012, 12:53 PM Thread Starter
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

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Originally Posted by eu4ic1000 View Post
Voltage may read 12-11.5, but may not be producing the amperage because of degradation. We have aircraft batteries that will hold 23.5 volts out of 24, but when you go to crank, it plummets down to 3 or 4 because it's got nothing in there. ^Lights is going to be a pretty good check on that.
I don't have a volt meter to check but I plugged in a battery from my GSXR1000 (I couldn't take off the seat from my other 08 CBR one of the screws is stuck). This battery is fine, the gsxr starts everytime. Even then when I turned the key on there was no sound of the fuel pump turning on and when I went to start it; endless cranking.

I have dash, signal, and high beams on the cbr battery.
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post #7 of 14 Old 12-03-2012, 1:41 PM Thread Starter
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

I'm reading up that it might be the bank angle sensor? How would I check this? I'm gonna get a volt meter, is there any place I should be checking for correct voltage, grounds, etc? I've never done it before.

This guy made a mess of things when he put the fairings on. The hoses and wires to the side fairings aren't in properly and I can see wires everywhere. Can these just be removed? The vacuum tubes and the sensors with the wires. I read somewhere that you can just take them out.
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post #8 of 14 Old 12-04-2012, 2:24 AM
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

Did you pay this guy? Sounds like it needs to go back.
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post #9 of 14 Old 12-04-2012, 11:41 AM Thread Starter
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

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Originally Posted by eu4ic1000 View Post
Did you pay this guy? Sounds like it needs to go back.
Lol, WELL, it was some guy I found on craigslist. I paid him 40 bucks to put it on and he came to my house. I can call him but I may not have any luck on the "taking it back" route.

I just got the service manual! I'm gonna check the grounds after my exams and report back.
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post #10 of 14 Old 12-14-2012, 7:08 PM Thread Starter
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

Ok so I took the fuel pump relay out and connected multimeter to the bike and when I turned it on (also flipped kill switch on and off) it showed no change in voltage. No change in voltage was reported at the brown wire into the fuel pump either. The engine stop relay makes no clicking noises when I turned the kill switch on and off either.

I am now thinking it might be the Body Angle Sensor? I know all the black relays are fine because I plugged them into my other CBR and it was still working fine. Do you guys think I should swap out fuel pumps to see if that's the problem? I'm almost certain its not the fuel pump but the fuel pumping not getting electricity thats the problem
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post #11 of 14 Old 12-21-2012, 5:36 PM Thread Starter
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

anyone?
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post #12 of 14 Old 12-21-2012, 6:38 PM
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

Unless the guy removed or relocated your body angle sensor, I don't think it just up and failed. Make sure it's plugged in for one. It's between your headlights. I still think something is just unplugged.
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post #13 of 14 Old 06-22-2014, 3:10 PM
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

Thread revive! Haha
I had the same problem with the sensor it's a little box in the middle of your head lights, it's connected to a green plug. Make sure when you fit it on the two screws the sensor is put on the right way with the word up facing up.
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post #14 of 14 Old 02-02-2016, 6:24 PM
 
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Re: 2008 CBR1000RR wont start fuel pump problem?

I'm having the same issue with the fuel pump not priming intermittently. Where exactly is the fuel pump relay? I heard you can test it by switching it with the full beam relay...are they both in the same place?
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