2002 No Power - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 14 (permalink) Old 09-11-2016, 08:52 PM Thread Starter
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2002 No Power

Gentlemen I need help here.

2002 RC51 with powercomander

Rode fine and after sitting for about 3 weeks it want power up. When you turn key there is absolutely nothing happening
no lights no fuel pump noise... nothing ....

**** Dont know if it makes a difference but the power light on powercommander does NOT light up as well.

So far I checked the battery.. hold decent charge 13.05 .. (I even tried to connect battery tender while on the bike)
All fuses are fine, main fuse next to battery and all fuses in the fuse box on the left side of the bike.

The season is almost over i would like to squeeze few more runs out of it
Any ideas ?
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post #2 of 14 (permalink) Old 09-11-2016, 09:32 PM
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Battery voltage is low. It should be 14.2. Make sure battery connection to the wire harness is tight. Recharge battery. With a battery tender on, and a solid connection, the bike should immediately have enough power to at least light the dash and power the fuel pump. Been there (a day ago), done that.
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post #3 of 14 (permalink) Old 09-11-2016, 10:19 PM
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Assuming you've checked all the usuals (fuses, kill switch, etc) already - how old is the battery itself?

Just because the battery shows voltage doesn't mean it actually has enough juice left in it to function properly (in a nutshell, more or less).

'06 Black/Metallic Gray RC51
-Competition Werkes FE w/
Clear Alternatives IT

'02 Silver/Black CBR 954RR
'11 Graphite Black CBR 1000RR (sold '15)
'08 Pearl Orange CBR 600RR (sold '11)
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post #4 of 14 (permalink) Old 09-11-2016, 11:55 PM Thread Starter
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Not sure on the age of the battery as the bike was bought last summer.
All winter battery was on the tender in room temperature and consistently showed good charge over 13.6s

Connecting tender to battery on the bike would not give enough juice to at least power the cluster ??
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post #5 of 14 (permalink) Old 09-12-2016, 07:47 AM
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I would put a "real" battery charger on it if you have one. I doubt the tender will provide enough power for the cluster and the fuel pump which should try to prime right away when you turn the key on.
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post #6 of 14 (permalink) Old 09-12-2016, 04:41 PM
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Garage
check the ground for corrosion on both ends.

2003 RC
1988 FZR1000R
2013 YZ-450f
1974 Yamaha RD350
1971 Honda CB500
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post #7 of 14 (permalink) Old 09-14-2016, 07:51 PM
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Recommend pulling another battery and swapping it in. Pull one from
A car if you have to and just hold your terminals on there. If you get what you would normally expect, then there ya go.
That's the easiest/cheapest way and where I would recommend starting.
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post #8 of 14 (permalink) Old 09-15-2016, 05:12 PM Thread Starter
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Tomorrow, doing fine recommendations from above.. will report later


Oh Yeah its 2004 RC51
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post #9 of 14 (permalink) Old 09-16-2016, 06:27 PM Thread Starter
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tried it all... ground check, unplug PC.

getting new battery now
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post #10 of 14 (permalink) Old 09-18-2016, 08:32 AM
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Another easy test you can try is to put your voltage meter across the battery, note the voltage, then with the meter still connected, turn the key on. Of the voltage doesn't change, it's not the battery. If it drops way off, the battery is toast.
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