recently purchased someone elses former track RC51 - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 20 (permalink) Old 10-19-2015, 01:25 PM Thread Starter
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recently purchased someone elses former track RC51

It is in decent condition, but it has fiberglass race fairings which I am not a big fan of and I can't get any spark. Any help on the spark issue would be gratly appreciated.

Any idiot can twist thier wrist, it takes a man to pull the corners.
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post #2 of 20 (permalink) Old 10-21-2015, 07:27 AM
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where have we checked for power? I know it's elementary, but check all your fuses right away.
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post #3 of 20 (permalink) Old 10-21-2015, 01:10 PM
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Hey Hondarider welcome to the forums!

Does the fuel pump still prime as well as all other electronics? Remember when checking for spark that the plug needs to be grounded. Hold it against the block or the head while you crank the engine.

If you're certain that spark is the issue, then I'd start with the cheapest option first and replace the plug Then we get more pricey, digging into the coil, or seeing if he did any modifications to the ECU.

Let me know if'n you're trying to get rid of those fiberglass fairings cheap

Keep us updated!

Regards,

Drew
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Garage:
1978 Suzuki GS550E (sold)
1980 Suzuki GS1000 (sold)
1985 Honda Elite 150 CH150 (stolen)
1987 Honda Elite 80 CH80
2000 Honda RVT1000R RC51 (project)
2007 Honda VFR800

Traveled over 10,000 miles on a trip around the USA
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post #4 of 20 (permalink) Old 10-21-2015, 02:15 PM
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as DREW stated, if the pump isn't priming then check bas, and all sensors that would cut spark (kick stand, clutch).
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post #5 of 20 (permalink) Old 10-23-2015, 07:07 AM Thread Starter
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fuses all checked out

Any idiot can twist thier wrist, it takes a man to pull the corners.
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post #6 of 20 (permalink) Old 10-23-2015, 07:19 AM Thread Starter
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I don't know if the fuel pump is priming, but the lights all come on and it turns over.


I have replaced the stator coil, the cdi box, and the voltage regulator/rectifier with parts out of running bikes.

Does the kickstand have to be up and clutch pulled in to start even when in nuetral?

Any idiot can twist thier wrist, it takes a man to pull the corners.
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post #7 of 20 (permalink) Old 10-23-2015, 07:22 AM Thread Starter
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What is bas?

Any idiot can twist thier wrist, it takes a man to pull the corners.
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post #8 of 20 (permalink) Old 10-23-2015, 07:30 AM
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Originally Posted by Hondarider View Post
What is bas?
That's what I was wondering.

You'll know if the pump primes because it whines for 3 seconds each time you turn the switch. Leave the switch on and toggle the run/stop to stop then run. Each time it is in "Run" position, the fuel pump will whine again for a few seconds.

Don't miss the fuse next to the regulator/rectifier on the left side under the tail and the main fuse (which must be ok given all the rest that's working) behind the battery. That single fuse by the Reg/Rec gave me troubles. It's been years but I remember it seeming like everything was working but got no spark.

Let us know if that was the burnt out fuse and what exactly were the symptoms (what was working and what wasn't) so my fuzzy memory will be refreshed for next time.

Hey, here's a picture of me on my track RC51 that I just found!
Later,
Kent Larson in Minnesota
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post #9 of 20 (permalink) Old 10-23-2015, 07:49 AM Thread Starter
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Sweet bike Kent,

The fuel pump doesn't prime.

The fuse by the reg/rect. under the red plug is ok.
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post #10 of 20 (permalink) Old 10-23-2015, 07:55 AM Thread Starter
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Drew,
I may be interested in dumping off the fiberglass fairing at a later date, but I wanna finish the bike first.

Any idiot can twist thier wrist, it takes a man to pull the corners.
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