FI light on and no speedo??? - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 11 (permalink) Old 04-11-2010, 03:43 AM Thread Starter
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FI light on and no speedo???

Hey I did a search but did'nt find anything on this. Last ride of the season last year my beloved RC gave me some trouble We took off from the overlook and I cracked the throttle and my bike made a weird sound from the rear sprocket so I pulled over to check it out. 3 teeth were busted off of the sprocket so I decided to limp it back home where I replaced both sprockets and the chain. Anyways on the way home my speedo went to zero while I was riding. After another couple of minutes my fuel injection light came on and stayed on. Well just did an oil change and rode the bike around the block and the speedo still says zero and after the bike got good and warmed up the FI light came back on and stayed on. Anyone ever have this or could point me in the right directionThanks in advance...
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post #2 of 11 (permalink) Old 05-02-2010, 10:57 PM Thread Starter
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Has anyone on here had problems with their fuel injection light or speedo??? I am clueless on this. Thanks for the help in advance...
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post #3 of 11 (permalink) Old 06-04-2010, 08:14 PM Thread Starter
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Well just so you all know in case it happens to your RC... If the speedo sensor goes out it will cause the FI light to come on. The code that the bike flashed was 11.
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post #4 of 11 (permalink) Old 06-04-2010, 09:06 PM
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Good to hear about the speedo sensor.
I've been working a lot and sometimes miss these things.
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post #5 of 11 (permalink) Old 06-05-2010, 01:17 PM
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I have a speedo healer that I had to have disconnected because of the FI light, so are speedo healer bad for the RC
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post #6 of 11 (permalink) Old 07-30-2010, 10:57 AM
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My speedo cluster went blank on the way home last night, no display what so ever. Turned out be to blown 10 fuse. Replaced fuse, display back. Love it when its a simple fix.

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post #7 of 11 (permalink) Old 07-30-2010, 04:01 PM
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Quote:
Originally Posted by ARSEY51 View Post
My speedo cluster went blank on the way home last night, no display what so ever. Turned out be to blown 10 fuse. Replaced fuse, display back. Love it when its a simple fix.
Acutally, in an ideal world, fuses don't blow.
So technically your blown fuse was a symptom, not the cause.
I'd look for what caused the fuse to blow in the first place.
Could be a chafed wire or short somewhere.
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post #8 of 11 (permalink) Old 07-30-2010, 05:42 PM
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Yeah, I thought the same when I replaced the fuse wondering what might have caused the fuse to blow. I started going thru the wiring harness from the fuse box and couldn't find and frayed or loose wires/connections. This is the second time its happended in the ten years of owning it. The first incindent happended within the first year of ownership. Again, went thru the wiring looking for bad connections or worn wiring and came up with nothing. I'm open to any suggestions that you guys may have as to what I can test, or check.

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post #9 of 11 (permalink) Old 09-02-2010, 11:55 PM
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The same thing just happened to me yesterday.

I had recently washed the bike, cleaned and lubed the chain and replaced front brake pads then didn't touch it for about 2 days. When started it yesterday - totally blank display / fi light on / temp light on.

I rode it down the street with no change. Stopped at the end of the street and shutdown/restarted the engine. Problem disappeared.

Water in a harness ya think?
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post #10 of 11 (permalink) Old 09-03-2010, 02:58 PM
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A good way to ward off electrical demons is to buy a tube to dielectric grease and put a dab into every electrical connector/connection you can find.
No only does it inhibit corrosion on the contacts, it also acts as a water repellent and lubricant to make pulling those connectors apart easier.
Works great on battery posts, and on spark plug boots, it keeps the rubber from sticking to the porcelain from heat.
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