Yuasa Battery - 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 08-17-2007, 12:39 AM Thread Starter
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Yuasa Battery

How often do you need to charge these batteries?

I've had it almost 3 weeks, no hotstart problems but, for the last couple days it was running really weak and then suddenly would not turn the starter over anymore. I hooked up the charger this eve when I got home from work. It was showing green light (fully charged). I left it charging for a few minutes anyway while I put the seat and all back on. (I ran a tether down by the fender so I can hook the charger up anytime wothout having to remove the seat anymore) After a few minutes of charging I tried the starter and it fired right up! Not only that but the charger light changed to yellow (charging) and has been charging for a couple hours now.

I didnt see anything in the battery manual about periodic recharging. Do these batteries need to be constantly recharged, or do I need to begin looking into my recharging and electrical systems?

1986 vn750-
purchased on 06-26-07 (19k miles)
22,000 miles, averaging 100+ miles per week.
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post #2 of 9 (permalink) Old 08-17-2007, 12:45 AM Thread Starter
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Oh BTW I've had the battery for about 3 weeks, not the bike.

And I ride nearly every day, about 100+ miles per week. So I was thinking that should be plenty to keep it charged?

1986 vn750-
purchased on 06-26-07 (19k miles)
22,000 miles, averaging 100+ miles per week.
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post #3 of 9 (permalink) Old 08-17-2007, 12:50 AM
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Have the battery load tested. Even new ones can be bad.
Check the charging system at the battery terminals.

'09 Nomad e sold
'85 VN700 A1 (needs work)
'11 Voyager
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post #4 of 9 (permalink) Old 08-17-2007, 12:56 AM Thread Starter
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Ok, so I'll take that to mean that as long as I'm riding, the bike should not need recharging every few weeks.

1986 vn750-
purchased on 06-26-07 (19k miles)
22,000 miles, averaging 100+ miles per week.
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post #5 of 9 (permalink) Old 08-17-2007, 01:48 AM
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Ya Should only need recharged if its sat for awhile. I read that a batter will loose 1% of its charge everyday it sits.

'09 Nomad e sold
'85 VN700 A1 (needs work)
'11 Voyager
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post #6 of 9 (permalink) Old 08-17-2007, 03:34 AM
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Make sure the battery connections are tight/clean, as well as frame ground and stator connections.
It sounds like something may be loose or dirty.


AKA: Tim & 'The Adventure Cycle' VROC #24567, NEVROC, SteelCity VROC


"When life throws you curves,
Aim for the apex."

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post #7 of 9 (permalink) Old 08-17-2007, 05:31 AM
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I agree with hyper. Check them connections


Don Morris
Rio Rancho, NM
VROC #22896
1986 VN 750 "Roxie"
Primer (right now)
Halrey hand controls with badland module
Coastered and de-eared
R/R mod
Iridium plugs
MF Gell Battery
Digital Guard Dawg http://www.digitalguarddawg.com/
Total rewire (after fire)
Vance & Hines Cruzers
Keep The Rubber Side Down.
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post #8 of 9 (permalink) Old 08-17-2007, 12:35 PM
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I second the agreement with Hyper. Especially the ground connectoins all the way through to the motor. Good luck!

Ben-
SW Ohio

'02 VN750
Pipes drilled
Spline lubed
R/R relocated
AGM batteried
Iridium equipped
LED tail lighted
8000-ish miled
Soon to be MCCTed

Lovin Life.
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post #9 of 9 (permalink) Old 08-17-2007, 09:01 PM Thread Starter
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Thanks guys.

1986 vn750-
purchased on 06-26-07 (19k miles)
22,000 miles, averaging 100+ miles per week.
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