unfunctional speedometer/dashboard - flashing and neutral light

[mabrus]

Hello everyone,

I am new here and I have a problem with 2002 RSV. I have a bike for about a month. All the time I got it, so the display flashed while driving.. turn off and then turn back on like you turn the key.. This happened especially when driving on the wrong road - due to impacts. But now the display is completely empty. I must say that otherwise everything works - radio, lights, backlight, winkers.. But what does not work except the board (speedometer, odometer, fuel gauge) is neutral light! (all other lights work). I checked the various connectors but nothing works. Does anyone have an idea? I was looking for a forum but I couldnt find anything.

 

Thank you very much for help.

 

Martin from the Czech Republic

[SpencerPJ]

I was to start looking, I would look for a loose or bad ground.

[Condor]

I'd start by cleaning the power plug in the back of the dash..... There are electrical contact cleaners available on the market...

[videoarizona]

Take the front fairing off.

 

Go through all the connectors and clean and re-seat them. Use dialectric grease around the plugs before you put them back together. Don't get any grease on the pins though. Also, look for a ground lug going to the frame in the front. Should be one if memory serves...maybe two. Take the connection off, sand and clean the metal and connector and put back on. Tighten.

 

The dash/instrument panel is plastic and the electrics need a good ground as well as a stable power source. IE, the connectors must be clean and seat well.

Do all this and you should be good to go. If this fails, find a new/used instrument panel on ebay, pinwall cycle is one vendor that sells good used parts.

Edited May 16, 2019 by videoarizona
add pic

[mabrus]

Ok, I will try check the ground again, but what about neutral light? It is the same problem, that is some connect with the dash?

[videoarizona]

Ok, I will try check the ground again, but what about neutral light? It is the same problem, that is some connect with the dash?

 

The neutral light can be various things. With me and others, it's the neutral switch which also controls the shift indicator which the RSV doesn't have.Why? I have no idea....silly for Yamaha to leave it out.

From my 1989 Venture Royale, I'll point out the switch. I would "assume" the switch is still located in the same place as it's a V4.

 

general area: Left side. Remove the intermediate gear cover (to the rear of the larger stator cover). You will need to replace the gasket and be aware the bottom screw/bolt has a tiny copper washer that needs to go back on in same spot.

 

 

Intermediate gear cover off

 

The white/cream colored switch is the neutral switch. 3 screws. Do not overtighten when putting it back in.

 

 

Rear of switch. There is an "O"ring around the inside that keeps the oil at bay. Clean the contacts.

 

 

So...again..."assuming" the RSV has the same set up, this is usually where the neutral switch issues come from.

 

Other areas can be found by tracing the wiring schematics in the service manual, downloadable from this site.

Dirty or bad ground in a switch that is part of the circuit that keeps the bike from starting (sidestand, emergency switch, tipover switch, etc.) or any connection in the same circuit that is dirty can cause the same issues...

[mabrus]

Thanks for the manual =))

 

I am not sure if is it about worn down components, because the motorcycle has only 10000km (7k miles?). I want to believe that problem of dashboard and neutral light is on one place 😁 because this problem is from the same moment.. well...probably some ground of this components in one place? 😬😁 Is it possible?

[videoarizona]

Thanks for the manual =))

 

I am not sure if is it about worn down components, because the motorcycle has only 10000km (7k miles?). I want to believe that problem of dashboard and neutral light is on one place 😁 because this problem is from the same moment.. well...probably some ground of this components in one place? 😬😁 Is it possible?

 

It's not the mileage, it's the time since built. 2002 is 17 years old now...and that's lots of time for things to get dirty or corroded!

The switch could just be gunked up...as I would almost be willing to bet that the bike hasn't had much maintenance either with 7K miles in 17 years. Old oil contains acids, etc..

 

As to your question...yes...I think it would be possible for a bad ground to the instrument cluster could cause all your issues...

 

Take your time, and don't shotgun it. One thing at a time. Besides, I'd look at this as a good learning experience for you on learning about the RSV. They are almost to reliable...so it's a good idea to get a baseline idea of what's been done. By you doing it!

[mabrus]

Hello, you were right... when the motorcycle is completely dismantled, then a man knows a lot about his bike The problem was only in one wire and everything was off (speedometer, fuel gauge, odometer, cruise control, neutral light, 5. gear light). So back to the road... thx guys..

 

[videoarizona]

Glad you found the problem.

 

Did you splice those wires or did the PO? I ask because I would wonder why someone (PO) would want to do anything with those wires. They are well protected.

 

We have a member here who makes accessory harness's if we want to add some electrical stuff to the bike...but it would NOT be connected to that plug! The other side of the fairing has a 12 volt source (cig lighter outlet) that can be tapped into easily without any cutting or splicing. FYI.

 

 

Plus, you may want to take off the tank and see if the PO has put the bypass for the ignition harness on. I suggest that as the RSV sends a ton of power through the ignition switch, causing the ignition switch to fail at some point from all the current. Bypass harness is small, cheap and sends most of the high end current away from the switch. it's plug and play as well..

 

Edited May 23, 2019 by videoarizona
add info on Ig bypass

[grubsie]

Hello, you were right... when the motorcycle is completely dismantled, then a man knows a lot about his bike The problem was only in one wire and everything was off (speedometer, fuel gauge, odometer, cruise control, neutral light, 5. gear light). So back to the road... thx guys..

 

Not to tell you your business, but while the crimp terminals that have been used on that plug will work, they can potentially become an issue in the future. If you have the capability, you would be better off soldering those connections together and use shrink tube to cover them.

[mabrus]

Glad you found the problem.

 

Did you splice those wires or did the PO? I ask because I would wonder why someone (PO) would want to do anything with those wires. They are well protected.

 

We have a member here who makes accessory harness's if we want to add some electrical stuff to the bike...but it would NOT be connected to that plug! The other side of the fairing has a 12 volt source (cig lighter outlet) that can be tapped into easily without any cutting or splicing. FYI.

 

Plus, you may want to take off the tank and see if the PO has put the bypass for the ignition harness on. I suggest that as the RSV sends a ton of power through the ignition switch, causing the ignition switch to fail at some point from all the current. Bypass harness is small, cheap and sends most of the high end current away from the switch. it's plug and play as well..

 

 

There was a plastic protector on the brown wire (like the other two) - that looks originally... but the wire was ripped out, I connected the wires together by tin. What is different from the original state of the bike is that someone has added a radio amplifier.