2000 Honda RC51 hard start and runs bad above 5000 RPM's - Honda RC51 Forum : RC51 Motorcycle Forums
 
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post #1 of 5 (permalink) Old 10-21-2012, 12:30 PM Thread Starter
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2000 Honda RC51 hard start and runs bad above 5000 RPM's

So recently my RC51 has starting running weird. One day it ran great and I had no issues. The next morning I went out and could not get the bike started the next morning. After about 5 minutes of trying to start with and without choke the battery died. I tried charging the battery and it would not charge so I went and bought a new one. I was able to get the bike started after that (And the FI light went out so seems a loose cable like I have read about in these forums) but it was running very rough at low idle. I took it out for a short ride and noticed that anytime I got over 5000 rpm it would sputter and had no power. It does have a power commander and I took it to my local shop and they removed it and it ran great for 5 minutes and then went back to doing what it did. They think it is electrical but after reading a few posts and talking to a few people some suggestions are Fuel Pressure Regulator or computer. Just trying to save a few $$$ (since I have already put $700 into the bike after buying it 3 weeks ago). Any thoughts would be greatly appreciated! Thanks to all.
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post #2 of 5 (permalink) Old 10-21-2012, 11:34 PM
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Reg/rectifier?

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2000 RC51
1985 ATC 350X
2009 Silverado SS clone
Lots and lots of guns!lol
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post #3 of 5 (permalink) Old 10-22-2012, 08:34 AM Thread Starter
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Thank you

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Reg/rectifier?

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Thank you Screamin Chief. I will check that out too. Makes sense.
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post #4 of 5 (permalink) Old 11-01-2012, 08:16 PM Thread Starter
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IT'S ALIVE! Replaced the FPR and went for a two hour ride and bike ran great. Thanks to everyone for the help and for this great site.
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post #5 of 5 (permalink) Old 11-02-2012, 03:26 AM
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My Íhlins Project: https://www.rc51forums.com/forums/showthread.php?t=6033
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