Won't turn over... - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 9 (permalink) Old 03-15-2011, 09:42 PM Thread Starter
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Won't turn over...

I just reassembled my bike after maintenance to my top end. Slaved the tank on to get some fuel, and gave it a shot at starting. Just heard a click behind the battery. Keeping in mind I had the alternator wires off, starter wire off, and all the assorted little switches disconnected during the engine work, can someone maybe steer me to the obvious mechanic created problem?

The ignition switch worked, just clicked when I hit the START button.

1998 VN750
37,100 miles
Spline Lubed
2 Previous Owners
Rebuilt Top End at 33K
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post #2 of 9 (permalink) Old 03-15-2011, 09:51 PM
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Is the battery fully charged?

1986 Black Kawasaki Vulcan VN750 "Black KAWK"
VN750 #9300 & VROC #33453

EMGO Handlebar, V&H Exhaust, Drop Shocks, Raised/Painted Fork, MeanStreak Seat, Tank Bib, ME880 Oversize Tires, Engine Guard, Custom Mirrors, Chris Products Turn Signals, Ear Shave, 150/42 Jets, PINGEL Fuel Valve, MCCT, Volt Meter, Shendegen R/R, AGM Battery, Coastered, .020 Coils, Relo Gauges & Headlamp, SilverStar Ultra, LED Flashing Brake Light, Center Stand Delete, WOLO Airhorn.
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post #3 of 9 (permalink) Old 03-15-2011, 09:57 PM Thread Starter
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Just charged it up yesterday in anticipation of firing it up today. Battery is good. Was hurrying to get to this point before calling it a night. Maybe I missed a wire or something.

1998 VN750
37,100 miles
Spline Lubed
2 Previous Owners
Rebuilt Top End at 33K
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post #4 of 9 (permalink) Old 03-16-2011, 12:43 AM
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Quote:
Originally Posted by banjojeffery View Post
I just reassembled my bike after maintenance to my top end. Slaved the tank on to get some fuel, and gave it a shot at starting. Just heard a click behind the battery. Keeping in mind I had the alternator wires off, starter wire off, and all the assorted little switches disconnected during the engine work, can someone maybe steer me to the obvious mechanic created problem?

The ignition switch worked, just clicked when I hit the START button.
The click was probably the starter solenoid/relay on the right side of the battery box, which indicates the ignition switch, all the safety switches and starter button circuit is working.

Check the starter cable connections at the relay and on the starter body, as well as the ground cable connections on the battery terminal to frame and frame to the rear of the engine.

It pretty much has to be a ground, loose starter cable, low voltage or faulty starter. Recheck voltage with meter.

You can try boosting straight to the starter terminal, and ground to the starter body or frame to determine if the starter is still working, and eliminate it as the source of the problem.

Let us know what you find out.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/11-vn750-general-discussion/9127-top-ten-items-you-would-suggest-new-owner-do-his-new-ride.html
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post #5 of 9 (permalink) Old 03-16-2011, 08:54 AM Thread Starter
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I hooked the starter cable up to the negative side of battery. Was this correct? I'm at work, so can't double check, but I believe the Haynes manual told me to hook it up there.

1998 VN750
37,100 miles
Spline Lubed
2 Previous Owners
Rebuilt Top End at 33K
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post #6 of 9 (permalink) Old 03-16-2011, 12:34 PM
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Quote:
Originally Posted by banjojeffery View Post
I hooked the starter cable up to the negative side of battery. Was this correct? I'm at work, so can't double check, but I believe the Haynes manual told me to hook it up there.
Sorry, no it`s not correct. If it is hooked up this way, this is your problem.

If the starter cable is hooked to the negative battery terminal, what is hooked to the terminal on the starter relay?

The Negative battery post is connected to ground on the left side of the frame with a short heavy cable.

The Positive post is connected to one terminal on the relay/solenoid on the right side with another short heavy cable.

Another longer heavy cable goes from the other terminal on the relay to the (positive) starter body terminal.

The starter body grounds (negative) through the engine case and mounting bolts.

Use dielectric grease on all electric connections to protect from moisture and corrosion.

Hope this explanation helps.

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/showthread.php?t=9127
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post #7 of 9 (permalink) Old 03-16-2011, 10:18 PM Thread Starter
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Quote:
If the starter cable is hooked to the negative battery terminal, what is hooked to the terminal on the starter relay?
Errr. Nothing. That was pretty obvious. Thanks, Hoss.
Didn't have time to mess with it today, but did hook up the starter cable to the relay. Engine turned over, but wouldn't fire up. Tomorrow I'll troubleshoot that problem. Have no idea if I'm getting fire or fuel.

1998 VN750
37,100 miles
Spline Lubed
2 Previous Owners
Rebuilt Top End at 33K
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post #8 of 9 (permalink) Old 03-17-2011, 07:44 PM Thread Starter
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Primed the carbs by injecting fuel into the fuel lines from the tank. Started right up! Coolant line at top of rear cylinder was leaking around the O Ring. Front cylinder was smoking out of the exhaust. Don't know if running it longer will burn that out, but the burning WD40 and coolant smell was killing me. Shut it down to change the O ring.:

1998 VN750
37,100 miles
Spline Lubed
2 Previous Owners
Rebuilt Top End at 33K
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post #9 of 9 (permalink) Old 03-17-2011, 10:35 PM
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Quote:
Originally Posted by banjojeffery View Post
Primed the carbs by injecting fuel into the fuel lines from the tank. Started right up! Coolant line at top of rear cylinder was leaking around the O Ring. Front cylinder was smoking out of the exhaust. Don't know if running it longer will burn that out, but the burning WD40 and coolant smell was killing me. Shut it down to change the O ring.:
Glad to hear you got it running after the delay caused by the brain fart. lol <G>

Gordon

1991 VN 750 -"Cosmic Lady" or "Bad Girl"?
Purchased May 16, 2008
Approx.19,300km (12,000 miles)

H-D windshield
Relocated R/R
MF-AGM battery
Fiamm Freeway Blaster horns
F&S luggage rack and engine guard
Kury Offset Hiway pegs
July 13, 2016, Riding on the DARKSIDE now, Classic Radial 165/80-15


TOP TEN THINGS A NEW RIDER/OWNER SHOULD DO. Click on link.
https://www.vn750.com/forum/showthread.php?t=9127
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