02 RC No power when you turn the key - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 14 (permalink) Old 07-20-2010, 05:55 PM Thread Starter
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02 RC No power when you turn the key

Alright I went out to start my bike this morning and it turned on like usually and once I hit the starter button all the power shut off and it would not kick back on. I got it to briefly kick on again and went to hit the starter button and it shut back off and has not kicked on. When I say all power is off nothing comes on, I can't even pop start it.

The only thing i've recently had done was a new battery and regulator/rectifier. It was done at a shop so I know they did everything correct. I also just had the bike out saturday with no problems.

I'm at my wits end with this bike, it has been nothing but problems. Any help is greatly appreciated. I can't keep affording to take the bike to a mechanic.
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post #2 of 14 (permalink) Old 07-20-2010, 06:47 PM
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Is it totally dead? No power at all.
If so, with the switch off, check the main 30A fuse at the starter relay.
And check the contacts on the starter relay because I've seen where the contacts weren't tight causing a resistive load and fried/melted the starter relay.
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post #3 of 14 (permalink) Old 07-20-2010, 07:03 PM Thread Starter
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Yep correct, you turn the key on and it has zero power. The battery has a good charge on it. I checked the 30 amp fuse and it was fine the connections were all good. It's just weird cause the first time I turned the key it turned on like normal then once I hit the starter button it cut all the power.

I don't want to sound like a noob but which side is the starter on? Would you have access to a service manual online at all?
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post #4 of 14 (permalink) Old 07-20-2010, 07:37 PM
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The starter motor is at the front of the engine.
Just to clarify, it was the 30A fuse at the bottom of the starter relay and not the 30A fuse to the ECU you checked?
A total loss of power indicates a blown main fuse at the starter relay.

Service manual can be downloaded here:
http://www.rc51.info/index.php?page=service

Last edited by SubSailor; 07-20-2010 at 08:19 PM.
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post #5 of 14 (permalink) Old 07-20-2010, 10:13 PM
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The same thing happened when I changed the battery in my '87 Hurricane 600 this spring - the 30A fuse blew - finally figured it out and replaced the fuse - fired right up! I hope it is something simple like that for you, too
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post #6 of 14 (permalink) Old 07-21-2010, 11:50 AM Thread Starter
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Alright I looked at the starter relay and the fuse on top is good and I didn't see one underneath it. Can you take the relay apart? I think I've checked all the fuses I can see and all of them are good. Ill take a picture of the relay later to make sure I'm looking at the right part. I'm seriously at a loss with this thing. All the grounds look good and are tight. Is it possible that the starter relay is bad? Is there any way to test it?
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post #7 of 14 (permalink) Old 07-21-2010, 04:21 PM Thread Starter
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Ok here are some pictures of the relay. As you can see the fuse is still good, I've even went a head and replaced it with another one. Is there anyway my ignition switch could be bad? The FSM doesn't really touch on not getting power. Any easy way to test the starter relay other than buy another used one for cheap?



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post #8 of 14 (permalink) Old 07-21-2010, 05:16 PM
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Try checking 10A fuse F in the fuse box.
It also handles starting and ignition.
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post #9 of 14 (permalink) Old 07-21-2010, 06:00 PM Thread Starter
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10a fuse is good. Even tried replacing it with another good one and still no power. I hate this bike. Anyone want to buy it? lol
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post #10 of 14 (permalink) Old 07-22-2010, 06:53 PM Thread Starter
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Well I think it's going to the shop again. I'll update this thread when I find out what the mechanic finds out. This bike sure is getting expensive to own.
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