Can't be right, can it?
#1
Can't be right, can it?
bike just doesnt seem to be running right. been resaerching on the problem for awhile. took the console and tank plate off and noticed that the fuel pressure regulator constantly sprays fuel while the pump is priming and the bike is running. Question is, Is this normal for the FPR to constantly spray fuel inside the tank all the time while the bike is running or is the FPR bad???
#2
bike just doesnt seem to be running right. been resaerching on the problem for awhile. took the console and tank plate off and noticed that the fuel pressure regulator constantly sprays fuel while the pump is priming and the bike is running. Question is, Is this normal for the FPR to constantly spray fuel inside the tank all the time while the bike is running or is the FPR bad???
Not sure what problem your having but to test the fuel regulator do a fuel pressure test.
#3
There is a timer when you first hit the key that runs the FP. Then it shuts off till it detects that the engine is cranking or running through the crank shaft sensor on the front of engine. While cranking or running it maintains constant pressure (off top of my head 52-58lbs) The FP puts out more then this and this is what you see. Bet going down the road at 5500 rpm in 5th the spray would drop slightly but not the 52-58. (don't try verifying this) On a FI the first thing you notice with a stopped up filter is it will not idle. (computer can not keep up if pressure is low) There is a bank angle sensor to shut off motor if bike falls over and computer shut off FP also for safety. If your in to it this far may as well replace filter. However most all gas now days in US is clean and my bike with 40K has never had a filter. Takes a special t-fitting to check pressure since no fuel rail connection. You overspray probably means it's OK and the condition of the idle is a second seat of the paints check
Last edited by Jackie Paper; 07-15-2011 at 07:13 PM.
#4
#5
Being on this subject (not to thread jack sorry) does your guys fuel pump humm pritty good? Mine seems fairly noticable at a stop at idle. Seems like its a bit louder than it used to be but maybe I just now noticed the sound and now its very recognizable? Thanks
Good luck with your bike sounds like your good in this area. I agree a good tune would probably help alot if you have not done so.
Good luck with your bike sounds like your good in this area. I agree a good tune would probably help alot if you have not done so.
#6
Being on this subject (not to thread jack sorry) does your guys fuel pump humm pritty good? Mine seems fairly noticable at a stop at idle. Seems like its a bit louder than it used to be but maybe I just now noticed the sound and now its very recognizable? Thanks
Good luck with your bike sounds like your good in this area. I agree a good tune would probably help alot if you have not done so.
Good luck with your bike sounds like your good in this area. I agree a good tune would probably help alot if you have not done so.
Back to ib3 problem. what exactly is not running right. mine would have had to be not running period to have take that plate off. A 08 should still be running good if it had not see any service since it left the factory.
Last edited by Jackie Paper; 07-15-2011 at 11:01 PM.
#7
My bike is a bit built with higher compression and it also has manual compression releases. If it doesn't start on the first attempt, I have to turn it off, press the releases down and do the start-up procedure over again. Just the knowledge that I need to hit the start button immediately has saved me from a bit of frustration.
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#8
Now you got me a tad worried cause I bet if I pointed it out most ppl could hear it. may have to call dealership and ask. Thanks
I have factory exhaust and other then when I first key it on(out of habit I always wait till it cuts off before starting) I can not hear it. You sure must have good hearing. I'm not sure if I can hear it with my ear to the tank. Maybe Harley making there tanks thinner. I have an old thick one. PS can't here the wife either. HA
Back to ib3 problem. what exactly is not running right. mine would have had to be not running period to have take that plate off. A 08 should still be running good if it had not see any service since it left the factory.
Back to ib3 problem. what exactly is not running right. mine would have had to be not running period to have take that plate off. A 08 should still be running good if it had not see any service since it left the factory.
#9
The bike has a noticable surging...mostly noticable in 1st-3rd gear. Called fuelmoto, they walked me through adding more more fuel to it cause it was runnin lean. Still no change, for ***** and giggles bumped fuel up 20% (short run down the street) didn't even notice a difference in power or throttle. Just gonna have it tuned soon and hope it cures the issues.
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