Neutral light behaving oddly - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 12 (permalink) Old 09-25-2011, 01:47 PM Thread Starter
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Neutral light behaving oddly

Hi guys and gals. My neutral light has started behaving weird...

Basically, when the clutch lever is not pulled in, the neutral light is on. When I pull on the clutch lever it turns off, except when it really is in neutral.

So when I'm riding, I'm in gear, I'm rolling and the neutral light is on. When I shift, I pull in the clutch lever, light goes off, select the gear, let out the clutch lever and the light goes on again.

When I park, I pull the clutch lever, the light goes off, I shift down into first, light is still off (and clutch lever still pulled in) and I shift into neutral and the light comes on. I release the clutch lever and the light stays on.

So basically, it's not really a problem that affects my riding and hasn't tricked me into thinking I'm in neutral when I'm actually in gear, but it's weird and I'm asking what you guys think in case it's a sign of something very bad about to happen (or happening).

Thanks for any advice on this guys and gals.
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post #2 of 12 (permalink) Old 09-25-2011, 02:54 PM
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The 750 has a couple of neutral indicators: one is the switch that's triggered by your clutch lever - check to see that the "button" (small plastic piece that goes in when you pull the lever) is moving properly and that the wires are connected properly. Also check the thin green wire that comes off the back of your engine and hooks into the wiring harness on the left side (over by the battery ground). Again, just look for solid connections, any splits in the wire, etc.

C
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post #3 of 12 (permalink) Old 09-25-2011, 05:20 PM Thread Starter
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Alright, I'll take a look at those as soon as it's not so hot outside... Thanks Cindy!
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post #4 of 12 (permalink) Old 09-25-2011, 07:17 PM
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The switch on the clutch lever is for the neutral safety if the bike is in gear, not for the light.
If your neutral light is on, it could be a bare wire, or a sticky neutral light switch.
There is a tiny ball bearing in the motor on the shift drum that triggers the light when it's in neutral, and it pushed up against a tiny ball in the end of the switch. If either of those balls are sticky, it will throw a false light.
The neutral switch is under the back of the motor, and a pain to get to.
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post #5 of 12 (permalink) Old 09-25-2011, 08:50 PM
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Quote:
Originally Posted by RakerBill View Post
The switch on the clutch lever is for the neutral safety if the bike is in gear, not for the light.
Oops, you're right. Ceal, take a look at that green wire and its connectors. I think Raker Bill has narrowed it down.

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post #6 of 12 (permalink) Old 09-25-2011, 10:54 PM Thread Starter
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Hmm... maybe it IS a sign of something worse... I had trouble shifting the bike out of gear the other day when I parked the bike. Had to rock the bike forward and backward and then it shifted into neutral. It wouldn't shift to any gear though, just stuck in first.

After that, I think the same day, when I tried to down shift, it wouldn't go down. It didn't feel like the lever was stuck, quite the contrary, felt like the shift lever was completely free. After a few tries it shifted down and I was good to go.
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post #7 of 12 (permalink) Old 09-26-2011, 09:23 AM
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That sounds like the problem I had once (would not come out of gear). It wound up being the shift barrel/drum and a spring came apart. I had a shop repair it at the time so I can't tell you any particulars but I'm sure someone should know.

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
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93' VN750 getting TLC
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post #8 of 12 (permalink) Old 09-26-2011, 12:52 PM
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Maybe two seperate issues?
Flaky starter lockout switch on clutch. (neutral ind.)
Weakening gear change pawl spring. (gear change issues) <-- This one may have stranded me Saturday.

~~C8> Ratt
________________________
'91 VN750 - Cosmic Splendor/Candy Wine
Done: Coastered, .020 ign., Iridiums, VM
Plexistar II, MCCT's, Relocated MOSFET
Next: LED's
Will Do: Horns, Shave(maybe)

Last edited by ZCraggRatt; 09-26-2011 at 12:54 PM.
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post #9 of 12 (permalink) Old 09-26-2011, 12:57 PM Thread Starter
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Quote:
Originally Posted by ZCraggRatt View Post
Maybe two seperate issues?
Flaky starter lockout switch on clutch. (neutral ind.)
Weakening gear change pawl spring. (gear change issues) <-- This one may have stranded me Saturday.
Probably so, I found some posts about the pawl spring after I posted here... gonna have to look into that. Bike is due for an oil change anyway lol.
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post #10 of 12 (permalink) Old 09-26-2011, 02:27 PM
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You runnin' your kickstand switch jumped out somehow?
There may be a blown(shorted) safety switch diode in the JB.

~~C8> Ratt
________________________
'91 VN750 - Cosmic Splendor/Candy Wine
Done: Coastered, .020 ign., Iridiums, VM
Plexistar II, MCCT's, Relocated MOSFET
Next: LED's
Will Do: Horns, Shave(maybe)

Last edited by ZCraggRatt; 09-26-2011 at 02:47 PM.
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