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Honda RC51: Discussion of the Honda RC51, Honda SP1, and Honda SP2 Motorcycles. | |||||||
09-29-2008, 10:00 PM
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| Join Date: 09-27-2007 Location: Sin City
Bike(s): '00 rc51 Mig High Pipes P. comander-'02 rc51 sold- Posts: 16
Rep:  (10) Rep Power: 0
| 2000 SP1--wanting to stall-idle fluctuates Hey everyone! Hope all is well.... Ok my 00' Rc with 14500 miles recently seems to want to stall at idle ---normally idles @1400 . It started to do this on a hot 'Vegas day @105 deg.(highest temp 227deg at idle normally @ 210@idle) I disconnected my PCIII and put new plugs in her(old plugs showed signs of too rich). Still is happening.It seems to happen worse after steady riding 10 mins or more. At idle it seems to starve for fuel although it smells rich  and the idle starts to drop to @ 1000--if you dont blip the throttle it sometimes will cough/pop and stall. You have to hold the throttle slightly open to restart it. No F1 light. Off idle pulls strong and runs fine.Fuel level has no influence on symptoms. Is there a way to test fuel pressure/pressure drop and is there a pressure regulator and if so could the diaphram have a leak(esp when hot)?Thanks in advance for your knowledge....... | |
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10-01-2008, 6:18 AM
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| Join Date: 08-31-2008 Location: Australia
Bike(s): sp1 Posts: 19
Rep: (10) Rep Power: 0
| Re: 2000 SP1--wanting to stall-idle fluctuates mate i had the same problem with my sp1 and it WAS the fuel pressure reg,it had a tiny pin hole in it!!i put on a new one (genuine honda part),problem solved!!on my bike it seemed to be the rear cylinder that was fuelling up more so than the front.i put it on the dyno and had it tuned runs like a dream!!!hope this helps you?good luck |
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10-01-2008, 9:04 AM
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| Join Date: 07-09-2007 Location: Boston
Bike(s): 2001 RC51 Posts: 93
Rep: (10) Rep Power: 3
| Re: 2000 SP1--wanting to stall-idle fluctuates Take off the power commander and see if the problem goes away. |
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10-01-2008, 9:49 AM
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| Join Date: 09-27-2007 Location: Sin City
Bike(s): '00 rc51 Mig High Pipes P. comander-'02 rc51 sold- Posts: 16
Rep: (10) Rep Power: 0
| Re: 2000 SP1--wanting to stall-idle fluctuates I suspected it could be the fuel pressur regulator. I will replace it and let you know if it helps. I did disconnect the PCIII and I actually gained low rpm power! Now when rollling on the throttle from2000rpm it will lift the front end as where when PCIII connected it would not "hit" untill @ 5ooorpm. Cheers!!! |
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12-10-2008, 8:01 PM
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| Join Date: 06-17-2008 Location: Queens, NY
Bike(s): 96 600 f3, 98 900rr(stolen), 04 RC51 Posts: 9
Rep: (10) Rep Power: 0
| Re: 2000 SP1--wanting to stall-idle fluctuates im having the same problems but its got to the point where it wont start now. did the pressure regulator fix your problem? |
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12-11-2008, 12:40 AM
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| Join Date: 08-31-2008 Location: Australia
Bike(s): sp1 Posts: 19
Rep: (10) Rep Power: 0
| Re: 2000 SP1--wanting to stall-idle fluctuates my bike was getting harder and harder to start,putting on a new fuel pressure reg did fix my problem.hope this helps you??good luck mate! |
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12-17-2008, 7:21 PM
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| Join Date: 06-17-2008 Location: Queens, NY
Bike(s): 96 600 f3, 98 900rr(stolen), 04 RC51 Posts: 9
Rep: (10) Rep Power: 0
| Re: 2000 SP1--wanting to stall-idle fluctuates do you have a part # or pic of where the FPR is on the 03 rc51? |
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12-30-2008, 12:56 AM
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| Join Date: 06-17-2008 Location: Queens, NY
Bike(s): 96 600 f3, 98 900rr(stolen), 04 RC51 Posts: 9
Rep: (10) Rep Power: 0
| Re: 2000 SP1--wanting to stall-idle fluctuates hey man thanx alot, that did it! the bike is running fine now. a few mor things and she will be in tip top shape. thanx again mate!!  |
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01-30-2009, 12:35 AM
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| Join Date: 08-31-2008 Location: Australia
Bike(s): sp1 Posts: 19
Rep: (10) Rep Power: 0
| Re: 2000 SP1--wanting to stall-idle fluctuates no worries glad to help. |
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