New RC51, need to discover mods - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 13 (permalink) Old 06-05-2011, 02:49 PM Thread Starter
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New RC51, need to discover mods

So the deal this weekend went pretty smoothly; brought my new 2002 home friday night and have been tooling all around town all weekend. Love! It!

The guy that I bought it from added an after-market windshield and exhaust. so I know it has a Yoshimura RS-3 exhaust and an aftermarket undertail kit. Few questions:

Attached is a photo of the undertail; can anyone identify what it is? I think it may be one of these: http://www.indysuperbikes.com/custom...&cat=0&page=16 , just by looks, but I'm not sure.



Similarly, does anyone know of a good kit that will add a light to the license plate? Indiana law requires it be lit. The little 'hump' on the right side underneath looks like it could be modified pretty easily or something bolted on to do just that.

Also, a few simple tests lead me to believe it has a speedo healer on it, but I can't say for sure. What's a quick way to tell?

Thanks guys. I look forward to riding and modding more.
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post #2 of 13 (permalink) Old 06-05-2011, 03:45 PM
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that is a hotbodies undertail. The hump off to the right is where your ECU sits next to the battery (SP2's only).

The original connector for the license plat light should still be therelocated towards the rear of the rear cowl, its a small 2 wire white connector with a black/brown wire and green wire. Try to find the male end of the connector and wire it up to the light and you will be good. worst case if you cannot find a connector you can also hardwire it in.

As far as the speedohealer goes, open up the rear cowl and you should see it in there.
http://www.speedohealer.com/your_pics/sp1/tutorial.htm

Also see if you gearing has been changed, if it has chances are the speedohealer was done. The stock gearing is 16T front 40 on the rear sprocket.....look on the rear sprocket and you should see a manufacturer and number from 40-43.

2001 Honda RC51 SP1
1996 Honda CBR 900RR
2003 Aprilia RSV Mille R
1999 Aprilia RS50
2012 Triumph Daytona 675R (Sold)
2010 BMW S1000RR (Sold)
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post #3 of 13 (permalink) Old 06-05-2011, 04:04 PM Thread Starter
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Great, that helps a lot, thanks. As for wiring the connector to the light, thats part of my problem. there isn't a light under there at all.

I'll go take a look at the other stuff right now.
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post #4 of 13 (permalink) Old 06-05-2011, 04:22 PM Thread Starter
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Rear sprocket says "AFAM 11616-41", which from what you said before, I assume makes it aftermarket.

Under the rear seat, i have a white three-plug connector with black/tan, green/yellow, green wires going to it. I assume that's the one?

While what I saw in the back didnt exactly match the pictures from your link, the green zip ties, and the contents of a small black box with wires leading to the front leads me to believe that it does indeed have a speedo healer on it. This board look familiar?

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post #5 of 13 (permalink) Old 06-05-2011, 04:42 PM
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that looks like a speedo healer or similair device to me.

The sprocket is aftermarket and you probably have 15T front.

No your looking at the brake/tail lights. It should just be a female end with no connection to it. If its not there, the previous owner may have cut it and capped it off since he was not using it.....if thats the case start looking where the rear lights link into the main factory harness and you should see green and black/brown wires (they could just be cut, taped up, or capped off)

2001 Honda RC51 SP1
1996 Honda CBR 900RR
2003 Aprilia RSV Mille R
1999 Aprilia RS50
2012 Triumph Daytona 675R (Sold)
2010 BMW S1000RR (Sold)
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post #6 of 13 (permalink) Old 06-05-2011, 04:43 PM
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if the connector for the light is still there this is what it looks like
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2001 Honda RC51 SP1
1996 Honda CBR 900RR
2003 Aprilia RSV Mille R
1999 Aprilia RS50
2012 Triumph Daytona 675R (Sold)
2010 BMW S1000RR (Sold)
2005 Yamaha R6 (Sold)
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post #7 of 13 (permalink) Old 06-05-2011, 05:00 PM Thread Starter
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Thanks. I'll keep poking around.

Even if I find it (or some other set of wires), there's no light underneath the tail to light the plate.
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post #8 of 13 (permalink) Old 06-05-2011, 05:38 PM
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heres a few cheap ideas

http://cgi.ebay.com/ebaymotors/NEW-L...Q5fAccessories

http://cgi.ebay.com/ebaymotors/Unive...Q5fAccessories

or you could easily go to radioshack and put something pretty nice together.

the screw lights are probably the easiest thing for you to do, then all you have to do is run the wire to wherever that license plate light connector is and your in business.

2001 Honda RC51 SP1
1996 Honda CBR 900RR
2003 Aprilia RSV Mille R
1999 Aprilia RS50
2012 Triumph Daytona 675R (Sold)
2010 BMW S1000RR (Sold)
2005 Yamaha R6 (Sold)
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post #9 of 13 (permalink) Old 06-05-2011, 07:56 PM
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Just buy a self adhesive strip of white LED's - about 12cm long.
It should then be invisible unless switched on. 2 wires for power. Drill a small hole to feed the wire through, using a rubber grommet.
Test before connecting up. Use proper connectors, or solder & shrink fit.
Don't be tempted to twist wires and use electrical tape as a permanent solution.

Enjoy the RC!

Euro RC51 SP2: HRC WSB Ti Hi-Level, T1 Airbox & Snorkel, PCIII, Dymag CA5 Carbon Wheels, Ti64 Spindles (F, R & Swing Arm), Mori Link, Maxton GP7 Shock & Ohlins 832 Forks, Brembo GP Calipers & SBK narrow track (F), Braketech Disc (R), Brembo billet Underslung x 2 Brembo RCS, Tyga Triple, 7075 Stem, Probolt Titanium all over, Babyface rearsets, MR Complete Carbon Lineup, Custom Undertail & CBR 1000 LED, Watsen LED Indicators, Harris Brace, Giles clip-ons, Corbin seat, etc. 2013 BOTY.
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post #10 of 13 (permalink) Old 06-05-2011, 09:28 PM Thread Starter
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Yep, those would probably be the easiest ways to go about it. Ill tackle that sometime this week (I hope).

Thanks guys!
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