Tach drops to 0 bike dies - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 11 (permalink) Old 04-30-2011, 07:08 PM Thread Starter
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Tach drops to 0 bike dies

Just picked up a 1995 750 vulcan, went out for a ride and when crusin at 65 the tack dropped to 0 rpm and engine died.
Pulled over to the side of the road, waited a few minuets and re-started bike no problem, but it did the same thing after just getting rolling again.
Re-started again after pulling off the road and drove straight home without another incident.
I can't recall if I put the kickstand down each time I stopped, but was thinking maybe (hopefully) this is caused by the safety switch for the Kickstand.

It's like the ignition just died.

What do you all think?
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post #2 of 11 (permalink) Old 04-30-2011, 07:26 PM
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It could be that, though it seems weird it would have happened while cruising down the highway, esp. the way it works. I will be curious to see what others post - hopefully not the stator, as it sounds like that can be a bit of a bugger.

Good luck : )

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1989 VN750
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post #3 of 11 (permalink) Old 04-30-2011, 07:44 PM
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It doesn`t act like a sidestand switch.
The intermittent nature of the problem sounds more like a bad connection in the ignition switch.

Gordon

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post #4 of 11 (permalink) Old 04-30-2011, 11:00 PM
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check your R/R... sounds like your getting a bad charge on the battery... also check out/search POGS...this might be the case as well.
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post #5 of 11 (permalink) Old 05-01-2011, 12:27 AM Thread Starter
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Quote:
Originally Posted by OlHossCanada View Post
It doesn`t act like a sidestand switch.
The intermittent nature of the problem sounds more like a bad connection in the ignition switch.
I will check into this. I believe this could be possible since the volt meter attached to the system still looked ok. This would lead me to think it is not a bad battery or R/R. I don't suspect POGS, didn't sputter, there was no indication in advance of the Tach dropping to 0.

So I like the ignition switch suggestion, will look into that.

Thanks
Malcolm
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post #6 of 11 (permalink) Old 05-01-2011, 12:30 AM
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sounds ike the ignition switch mine did the same thing till i fixed it

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New wires and plugs
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re routed air line to right ear
re built transmission
New stator
New RR
New throttle cables
New clutch cable
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New Ignition switch
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post #7 of 11 (permalink) Old 05-01-2011, 01:54 AM
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Ignition switch is the most likely culprit; I've had it happen exactly like that, two different switches.

The POG (Plastic Oil Gear) problem was with '98 Classic (1500 E1) and the '99-up 1500s. Earlier models, from '96-99 D and L (C) models, and '87-'99 A and B models, had the POG, but I know of only one failure in an A model. Nobody's ever figured out why later ones failed, and earlier ones didn't.

The POG is not a problem with the VN750; it ain't got one. The oil pump is chain driven off the balancer shaft, not direct gear driven.

J.D.
Kerrville, TX
'95 Vulcan 750 "Therapy II",
aka "Raggedy Ann"
'95 VN750 project
'03 VN800B "The Little Black"
'04 VN800E Drifter project
'93 VN1500A custom project
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post #8 of 11 (permalink) Old 05-01-2011, 11:46 AM
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Quote:
Originally Posted by J.D. View Post
Ignition switch is the most likely culprit; I've had it happen exactly like that, two different switches.

The POG (Plastic Oil Gear) problem was with '98 Classic (1500 E1) and the '99-up 1500s. Earlier models, from '96-99 D and L (C) models, and '87-'99 A and B models, had the POG, but I know of only one failure in an A model. Nobody's ever figured out why later ones failed, and earlier ones didn't.

The POG is not a problem with the VN750; it ain't got one. The oil pump is chain driven off the balancer shaft, not direct gear driven.
JD, they are talking about the (Phantum Out of Gas.)

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post #9 of 11 (permalink) Old 05-01-2011, 01:06 PM
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Are you saying the tach dropped to 0 ..then the bike died...or that the tach dropped to 0 when the bike died...( a "Duh" for sure there.. ) ???

Cause if the tach dropped first... it has to be an electrical issue..

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post #10 of 11 (permalink) Old 05-01-2011, 05:02 PM
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Quote:
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JD, they are talking about the (Phantum Out of Gas.)
Ah; thanks James; my mistake. I wasn't even thinking about that. Even that wouldn't apply here, tho; the "phantom out of gas" phenomena usually doesn't cause the bike to suddenly die and the tach suddenly drop to zero. It just acts like it's running out of gas. The ignition switch losing contact almost always does.

Jim

J.D.
Kerrville, TX
'95 Vulcan 750 "Therapy II",
aka "Raggedy Ann"
'95 VN750 project
'03 VN800B "The Little Black"
'04 VN800E Drifter project
'93 VN1500A custom project
VROC #16185
GCVROC #33

Photo album: http://www.flickr.com/photos/leekayd/sets
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