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View Full Version : Duel Battery hook up ? 2011 kfx450r ATV


BEN #11
07-06-2011, 08:00 PM
ANYBODY MAKE A CONVERSION KIT OR IS IT ALL HOME MADE .
TO RUN DUEL BATTERYS ON A KFX450R (ATV) !
THANK'S
BEN:macho
number52
07-10-2011, 03:44 PM
Remove the wire between the starter solenoid and starter. Then hook wire from the starter solenoid to negative post on new battery. Then hook a wire from positive post on new battery to the starter and you're done.
BEN #11
07-12-2011, 08:10 PM
will this effect the ecu or voltage regulator ? will the charging system still charge both battery?
number52
07-13-2011, 06:33 AM
No it doesn't effect the ECU or Voltage regulator. The way I told you will only send 24 volts to the starter and nothing else. You will have to put a seperate charger on the second battery when you're not using the bike.
cataway
07-17-2011, 04:29 PM
wow........ dont ya think 24v is a bit hot for a 12v starter ?
Scro
07-17-2011, 04:39 PM
Originally posted by cataway
wow........ dont ya think 24v is a bit hot for a 12v starter ?

24 volts is very common mod for XC racers, and poses no problems to the starter what-so-ever.
cataway
07-17-2011, 04:54 PM
well I'm not so sure about that "poses no problems to the starter what-so-ever'' part .

i my self did ask a man that rebuilds starters for a living .he said great idea, that is if you want to replace the starter form putting to much voltage through it or take it to him and rebuild it from time to time.
Scro
07-17-2011, 05:04 PM
If you were to send 24v to it over a long period of time, sure it would fry it. But with 24v, you are literally just tapping the button for the motor to fire. I've ran 24v on quite a few machines with no issues. Most everyone that runs an e-start Honda has this setup in GNCC.
cataway
07-17-2011, 05:58 PM
yeah i presented that argument to the re builder to ,because like you say its just for a short time ,he felt its better to get heaver wires and a higher amp battery. with two battery's that would be easy to do and still be 12v
BEN #11
10-04-2011, 06:53 PM
SCRO ,
YOUR RIGHT IT WORK'S FINE ! IT TURNS THE MOTOR FASTER THAN ANYONE CAN KICK START IT . THANK YOU SCRO, AN THANKS TO DIRTWORK'S
BEN
number52
10-05-2011, 12:34 PM
You're welcome
scotturban
10-12-2011, 10:14 AM
My Electric start on my bike will crank and crank but will not start mine, motor is built, But ill start after a kick or two on the kick starter, THink a 24v battery set up would solve my problem?
number52
10-12-2011, 12:41 PM
Absolutely. I've had others that had this exact problem and they start as soon as you touch the button