Battery contact MELTED HELP!!!!!!! - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 39 (permalink) Old 06-26-2013, 05:18 PM Thread Starter
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Battery contact MELTED HELP!!!!!!!

Ok, I am beyond pissed. I'm restoring an 86. I have not done any electrical work on the bike yet. I replaced the battery,Yuasa maintenance free battery. The bike worked with the old battery, as well as the new one. I go to fire up the bike and it wont turn over, so i remove the seat, and lo and behold the the F*&KING negative contact on the battery is melted off.

Please help me figure out why this has happened. I am about kill something...
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post #2 of 39 (permalink) Old 06-26-2013, 05:31 PM
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Ok, I am beyond pissed. I'm restoring an 86. I have not done any electrical work on the bike yet. I replaced the battery,Yuasa maintenance free battery. The bike worked with the old battery, as well as the new one. I go to fire up the bike and it wont turn over, so i remove the seat, and lo and behold the the F*&KING negative contact on the battery is melted off.

Please help me figure out why this has happened. I am about kill something...
Is it possible that it wasn't tight, or loosened off a bit?

More resistance (bad connection) will cause more heat.

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1985 VN750 Acquired Feb, 2011 - 13,676km
Mods - Ear Shave, Pickup Coil Gap, Drilled Clutch Basket, Shift Tie Rod, Mosfet R/R, MF Battery, De-Goated (H-Pipe), MCCT, Heated Grips, Plexistar 2 Windshield

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post #3 of 39 (permalink) Old 06-26-2013, 05:33 PM
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Excess amp draw from the starter or cranking too long and overheating the wires. Those are two ways to do that.

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Shaved w/UniPK92+Stock Jets-TPE/MOSFET-Shinko Tires-AGM batt-bags-chrome-LEDs...more
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post #4 of 39 (permalink) Old 06-26-2013, 05:41 PM Thread Starter
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I cranked it maybe 5 sec. Piss me off, I'm out $100. My wife just told me "Forget trying to restore it, just go buy a new bike". I'ts now personal. I wish money grew on trees.
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post #5 of 39 (permalink) Old 06-26-2013, 05:53 PM
..have a vulcan good day!
 
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I cranked it maybe 5 sec. Piss me off, I'm out $100. My wife just told me "Forget trying to restore it, just go buy a new bike". I'ts now personal. I wish money grew on trees.
I would attempt to come up with a jeri-rig of cable attachment.

Clean Starter Positive connection and all battery-frame grounds.


'86 VN750 13,700 mi -Stock
-Purchased 2008 w/8800mi
Replaced ALL Cables . Kuryakyn LED Voltmeter
SilverStar Ultra 9003/HB2 H4 Headlamp, Jardine Fwd Controls,
Iridiums DPR7EIX-9 & Wires, Tuxedo Mod, Coil Mod, P/U Sensor Mod, Fork Seals,
Splines Lubed - 11/4/2012 - MF AGM Battery
Additional Flashing LED Brake Light on Trunk
Dampers went out @ 13+K !
After TOC MCCT's..... so amazingly quiet I discovered a rattling heat shield on my stock exhaust !
...have a vulcan good day!
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post #6 of 39 (permalink) Old 06-26-2013, 05:58 PM
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I would put the old battery back in. Your ground wasn't tight

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post #7 of 39 (permalink) Old 06-26-2013, 06:05 PM Thread Starter
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I just put in the old battery, and no problem. FAAAAAAAAAK
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post #8 of 39 (permalink) Old 06-26-2013, 06:24 PM
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Having a similar problem. Bike was running fine on flooded battery... Put in new agm and as I screwed in the positive the negative wires started melting... No clue what just happened!
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post #9 of 39 (permalink) Old 06-26-2013, 06:26 PM
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Negative terminal melted off too
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post #10 of 39 (permalink) Old 06-26-2013, 06:48 PM
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I would check all ground connections. Maybe disconnect them, clean the contact area, and re-affix them.

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

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