Why is the R light flashing? - Yamaha Rhino Forum - Rhino Forums.net
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post #1 of 9 (permalink) Old 04-23-2011, 09:21 AM Thread Starter
Slow Poke
 
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Why is the R light flashing?

Could a bad speed sensor be causing the digital readout to show 0mph and causing the R light on the dash to blink while I'm actually in H and driving ? I was told it's from a bad speed sensor and if so, can anyone tell me where it is located and maybe a place online to order one ? Thanks..
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post #2 of 9 (permalink) Old 04-23-2011, 09:28 AM
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pm me your email and I'll send you a manual...

There is another thread on here a guy is having the same problem and they replaced his speed sensor and it did nothing...

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post #3 of 9 (permalink) Old 04-23-2011, 09:35 AM
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The flashing R probably means you have a bad connection to your reverse rev limiter switch...

Are you getting ignition cut-out...is your power and top speed all normal....

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post #4 of 9 (permalink) Old 04-23-2011, 04:52 PM
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Its cuz the reverse wire has lost ground somewhere allong its travel to the reverse switch. The reverse switch is normally closwed and that grounds the wire (Dumb design) since any loss of conection will result in tripping the light and reverse rev limiter.
Ifg you look under the air filter box the reverse switch is there has a single Green with white tracer wire. clean and check that conection then foillow that wire back and you will find another connection you can clean it but I would recomend hard wiring that and heatshring tubing so no crud causes you problems.
This should stop the light from winking at you
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post #5 of 9 (permalink) Old 04-23-2011, 06:24 PM Thread Starter
Slow Poke
 
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Thanks for all the help, but let me clarify my problem.. The R light is blinking, the speedometer always reads 0, and the miles don't register.. The hours continue to run, but the mileage stays at 1128 miles ?? Now does all of this sound like it could be a speed sensor ?
Power seems fine, but I just bought this so I don't really know what the power should feel like.. I do know when it gets topped out it seems to fall on its face, is that because of a rev limiter ?? BTW, this is an 07 660..
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post #6 of 9 (permalink) Old 04-24-2011, 03:03 PM
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Interesting

They say these things come in threes so I guess they'll be another one with the same problem real soon...

https://www.rhinoforums.net/lighting-...-new-post.html

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post #7 of 9 (permalink) Old 03-14-2015, 10:01 AM
Spectator
 
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Copied from Yamaha Rhino service manual

Reverse indicator light R
This indicator light comes on when the drive
select lever is in the R reverse position.
Furthermore, this indicator light flashes when
the engine is being raced for 10 seconds or
more.
If the indicator light flashes under any other
circumstances or the speedometer does not
show the speed while riding, have a Yamaha
dealer check the speed sensor circuit.


Hope this helps...
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post #8 of 9 (permalink) Old 06-11-2019, 10:10 AM
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Quote:
Originally Posted by deer123 View Post
Thanks for all the help, but let me clarify my problem.. The R light is blinking, the speedometer always reads 0, and the miles don't register.. The hours continue to run, but the mileage stays at 1128 miles ?? Now does all of this sound like it could be a speed sensor ?
Power seems fine, but I just bought this so I don't really know what the power should feel like.. I do know when it gets topped out it seems to fall on its face, is that because of a rev limiter ?? BTW, this is an 07 660..
Did you ever find the issue on this? I am having the same problem.
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post #9 of 9 (permalink) Old Today, 12:25 AM
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I had a linking r light, it would fall back on the limiter. I found a Rhino racing outfit who told me how to fix it. Under the air box on a 660 is the limiter. there is a wire coming from it just like on a spark plug, has a cap that snaps on top of the limiter.
Mine was really loose, I used pliers and gently squeezed it together, trying it on the limiter a few times. when it was snug I put everything back together. Took it out yesterday used to top out before the limiter and R light would shut me down at 33 km p/h. yeserday I was cruising at 58km/h. it started farting and puking so I stopped and changed the fuel filter and ran great for the rest of the day. have not had that kind of performance for a year or better.
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