bear with me a bit here - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
Electrical
Where does this wire go?
Includes Electrical mods, Lights, Stator,
Rectifier, Diagrams, etc

 
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post #1 of 9 (permalink) Old 04-18-2015, 11:00 PM Thread Starter
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bear with me a bit here

90 vn750. Ear shave, ignition coil/relay upgrades have been done.

I went around the block the other day then parked it, since then it will not start.

Hit the start button and can hear the relay in the fuse box click, used a test light to the start solenoid and get it to light up, jump the solenoid and get it to crank but will not fire. HELP!?

Worst part is that I'm selling it and had two people come over with cash in hand but since it wouldn't start they both walked away.
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post #2 of 9 (permalink) Old 04-18-2015, 11:35 PM
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Quote:
Originally Posted by cowboy_mike View Post
90 vn750. Ear shave, ignition coil/relay upgrades have been done.

I went around the block the other day then parked it, since then it will not start.

Hit the start button and can hear the relay in the fuse box click, used a test light to the start solenoid and get it to light up, jump the solenoid and get it to crank but will not fire. HELP!?

Worst part is that I'm selling it and had two people come over with cash in hand but since it wouldn't start they both walked away.
I am no electrical guru, but these thoughts come to mind:

Are you sure the emergency kill switch is in the on/run position?
If it is, flick it back and forth 2 or 3 times between ON and OFF to clear any corrosion off the contact points, then try to start it again.

Are you saying the ear shave and ignition coil/relay mods were just done recently and the bike was ridden around block, but since then the plugs will not fire?

Or the mods were done some time ago, the bike started and ran well for a time, then sat for some time before being started and drove around the block the other day? But will not fire now when cranked over?

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 #3 of 9 (permalink) Old 04-18-2015, 11:47 PM Thread Starter
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Mods were done last year and ran great for a few thousand miles. I parked it in January and rode it the other day then this issue came up. Yes the kill switch is in the correct position and I tried toggeling it several times to see if there was corrosion.
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post #4 of 9 (permalink) Old 04-19-2015, 07:51 AM
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Quote:
Originally Posted by cowboy_mike View Post
90 vn750. Ear shave, ignition coil/relay upgrades have been done.

I went around the block the other day then parked it, since then it will not start.

Hit the start button and can hear the relay in the fuse box click, used a test light to the start solenoid and get it to light up, jump the solenoid and get it to crank but will not fire. HELP!?

Worst part is that I'm selling it and had two people come over with cash in hand but since it wouldn't start they both walked away.
First things first. What is your battery voltage? You need about 12.6-12.8. Check both grounds, battery to ground and battery box to engine ground.

JM2001

" Loud Pipes Risk Rights "

2001 Vulcan 750
marbled
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
iridiums
decals removed
upgraded mirrors
Pic up coil mod done
degoated
All LED lighting
Upgraded Mosfet rectifier
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post #5 of 9 (permalink) Old 04-19-2015, 11:32 AM
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I'd check battery voltage. Clicking when starting can occur when voltage is too low to crank the bike.

1986 Kawasaki Vulcan 750
NGK Iridium Plugs #7803/DPR7EIX-9
Duralast Gold ETX15 AGM Battery
Coastered & Shaved
TOC MCCTs
Metzeler ME880 [110/90-19, 170/80-15]
Balance Dampers Replaced
Tuxedo Mod
Rebuilt Forks w/ Progressive Springs
V&H Cruzers
VN750.com Grill Cover
Meanstreak Seat
Emgo 23-92411 Handlebars
MOSFET FH012AA R/R


1990 Kawasaki Vulcan 750

1998 Honda VFR800 FI

2014 Honda VFR800F

1989 Pontiac Firebird Formula 350
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post #6 of 9 (permalink) Old 04-19-2015, 09:07 PM
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I agree with thtanner, this is exactly what mine does when the voltage is too low. Check it with the key turned on would be my only tip. When my battery was too low to start it, it was not too low until I turned the key to on. So when I tested the battery it should have been ok but wasn't when the key was on.
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post #7 of 9 (permalink) Old 04-20-2015, 06:10 PM Thread Starter
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Its not the battery, it has been fully charged and even had it on boost and got no click as if the battery was dead, the click was a single click from the start relay.
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post #8 of 9 (permalink) Old 04-20-2015, 09:02 PM
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Quote:
Originally Posted by cowboy_mike View Post
Its not the battery, it has been fully charged and even had it on boost and got no click as if the battery was dead, the click was a single click from the start relay.
You have a bad battery or a bad starter solenoid. You still haven't told us what your battery voltage is. You can charge it all night and still not have enough volts. You can also put it on a booster and not be able to start the bike. You could have a bad cell and show 12-12.3 volts. Not enough to fire the bike. If the battery is good, then check the starter solenoid.

JM2001

" Loud Pipes Risk Rights "

2001 Vulcan 750
marbled
TOC upgrade on ACCT
Air/fuel mixture set to 2 1/2 out
rectifier relocated
splines lubed
iridiums
decals removed
upgraded mirrors
Pic up coil mod done
degoated
All LED lighting
Upgraded Mosfet rectifier
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post #9 of 9 (permalink) Old 04-21-2015, 12:19 PM
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Jiggle the key. Ignition switch will do this too out of the blue.

2014 Kawasaki KLR 650
Back to the Kawa World
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