Bike Issues (Fuel I think) - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 7 (permalink) Old 05-20-2013, 09:58 PM Thread Starter
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Bike Issues (Fuel I think)

2001
Stock exhaust (cut six inches and slightly gutted)
PC3 (tuned for Sato pipes, closest tune for what I have)

Rode this past Tuesday, bike ran great. I started to go on a ride yesterday. Bike is fuel injected with a fuel enrichment system. I always start the bike with the fuel enrichment valve out, it takes 10-20 seconds to get the RPMs up (depending on outside temp) and then I shut off the valve. Well, I could hear it trying to to shift and get the RPMs up, but it wouldn't. Figured I needed to take it out and open it up a bit to clear it out. Once I got out, it had NO power, felt like a 250cc motor or less. I would give more and more throttle, but would not clean out to open up. Got it home and when I took off the cover for the air filter, I smelt fuel and there was fuel splatter on the inside.

Figured maybe it was flooded, so I let it sit. Today started it up, and it's really sluggish, nearly backfired, and it smells like it's running really rich. I'm wondering if maybe the mapping on the PC3 needs to be reset?? It's hardwired in, and I'm not even close to being a mechanic.

I would love to drop it off at a shop and say fix it, but that whole money thing seems to throw that idea out the window.

Any ideas?

Cause pictures always makes topics better...

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post #2 of 7 (permalink) Old 05-20-2013, 11:07 PM
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FPR

In for the win.

Besides that, the title should say the op is lazy and won't take 2 minutes to do a search on the forum.

Last edited by kwtoxman; 05-21-2013 at 10:33 AM.
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post #3 of 7 (permalink) Old 05-20-2013, 11:28 PM Thread Starter
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Again, not a mechanic...
Second, I did a search and didn't find the same issue.

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post #4 of 7 (permalink) Old 05-21-2013, 06:35 AM
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https://www.rc51forums.com/forums/showthread.php?t=4175


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post #5 of 7 (permalink) Old 05-21-2013, 10:26 AM Thread Starter
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I'll try this; THANKS! Guess I didn't search well enough.
And I didn't know what the hell FPR was! Got it; I'm learning.

Quote:
Originally Posted by jondog9 View Post
You really need to check the fuel pressure regulator first. FPR. It's under the right on top near the rear of the tank. pull the small vacuum line off and see if it drips. There shouldn't be [U]any[U] sign of gas at all there. with the vacuum line still off, turn on the key and when the pump starts to prime, watch for dripping from the FPR. If the pump primes all the way up, shuts off, and it's still bone dry at that small nipple, then look into the fuel pump and filter. the big pictures that jennysmith posted show the pump/filter unit that mounts to the underside of your tank. More likely that the fpr is the problem, unless you don't hear your pump prime when you turn on the key.

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post #6 of 7 (permalink) Old 09-10-2013, 02:51 PM
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post #7 of 7 (permalink) Old 09-10-2013, 03:39 PM Thread Starter
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Okay, to be honest, I couldn't say what it was.
I took it to a buddy of mine that I trust well enough.
He would not tell me what he did, which makes me think I'm an idiot.
(that's nothing new)

Bike runs phenominally! It actually runs better than it did before the issue.
I will say that I do not use my fuel enrichment system to start anymore.
Apparently it was stuck, even though it was all the way in; that's part of what it was,
buy not the only thing.

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