new r/r - 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 28 (permalink) Old 10-05-2010, 10:33 PM Thread Starter
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new r/r

just replaced the rr today. put the bike back together. fired her up. idling 13 volts at 3500 rpm 14.5
rode for a mike dropped down to between 12.19 to 12.48

is this normal or is My bike possessed??
Ive had this bike for 14 weeks and only managed to put 280 miles. its reallyyyyyy teaching me patience

My Enuf.
1995 Vulcan 750
New wires and plugs
Removed and cleaned carbs
re routed air line to right ear
re built transmission
New stator
New RR
New throttle cables
New clutch cable
New wiring harness
New Ignition switch
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post #2 of 28 (permalink) Old 10-06-2010, 09:35 AM
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This is normal. As I said in another post. After the battery gets a full charge 100%, the r/r doesn't put out as much or shorts it to ground, so not to overcharge the battery.

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
Spline lube

93' VN750 getting TLC
Decals and mirrors
Coastered and air/fuel screws at 2.5 turns
ACCTs to MCCTs
Degoated with Harley mufflers
Duro 110-90-19 front 150-90-15 rear
Pick-up coils at .020
Spline lube
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post #3 of 28 (permalink) Old 10-06-2010, 10:22 AM Thread Starter
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thanks I think after all the problems im just a little gun shy. Im riding today

My Enuf.
1995 Vulcan 750
New wires and plugs
Removed and cleaned carbs
re routed air line to right ear
re built transmission
New stator
New RR
New throttle cables
New clutch cable
New wiring harness
New Ignition switch
TIME to Ride
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post #4 of 28 (permalink) Old 10-06-2010, 10:41 AM
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Quote:
rode for a mike dropped down to between 12.19 to 12.48
Sorry to say this, but that is too low. The R/R doesn't care a bit if the battery is full or not, it just tries to keep the voltage at around 14V.
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post #5 of 28 (permalink) Old 10-06-2010, 10:47 AM
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Just spotted baldy's response in the other thread. True, the voltage may drop, but as I said, 13.3 V is suspicious. Below 13V is definitely too low.
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post #6 of 28 (permalink) Old 10-06-2010, 12:00 PM
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Quote:
Originally Posted by pappa View Post
Just spotted baldy's response in the other thread. True, the voltage may drop, but as I said, 13.3 V is suspicious. Below 13V is definitely too low.
Not to highjack the thread, but how much is too high? Mine hit 17 last night. I'm ordering a new R/R today.
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post #7 of 28 (permalink) Old 10-06-2010, 01:00 PM
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14 to 14.5 volts is normal any thing higher and you can start cooking electrical parts
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post #8 of 28 (permalink) Old 10-06-2010, 01:53 PM
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Quote:
Originally Posted by pappa View Post
Sorry to say this, but that is too low. The R/R doesn't care a bit if the battery is full or not, it just tries to keep the voltage at around 14V.
I stand corrected.

My eyes must have transposed the numbers but pappa is right 12.19 to 12.48v is quite low. When I tested my bikes the volts didn't drop below 13v. Sorry for giving wrong advise. I'm still learning as I go as well and get slapped once in a while. lol

01' VN750
Jardine cross over exaust
Kyriakin grips and foot pegs
Modified seat and backrest
Windshield
Luggage rack
Crash bar with Kyriakin pegs and extensions
Kumho 758 165/80-15 CT rear Dunlop 404 110/90-19 front
Coastered and air/fuel screws at 2.5 turns
Spline lube

93' VN750 getting TLC
Decals and mirrors
Coastered and air/fuel screws at 2.5 turns
ACCTs to MCCTs
Degoated with Harley mufflers
Duro 110-90-19 front 150-90-15 rear
Pick-up coils at .020
Spline lube
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post #9 of 28 (permalink) Old 10-06-2010, 01:59 PM
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we need to keep in mind that the readings should be taken at 3000 to 3500.rpms. At Idle they will generally read battery voltage.Also if your gauge is wired in around the headlight area instead of at the battery your readings will be a little lower.If you have an digital meter and are checking the output at the battery,at the proper rpm range that is a little low and might be cause for concern.




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92 vn750(sold)
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post #10 of 28 (permalink) Old 10-06-2010, 05:14 PM
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Quote:
Originally Posted by Journey View Post
just replaced the rr today. put the bike back together. fired her up. idling 13 volts at 3500 rpm 14.5
rode for a mike dropped down to between 12.19 to 12.48

is this normal or is My bike possessed??
Ive had this bike for 14 weeks and only managed to put 280 miles. its reallyyyyyy teaching me patience
My bike did that and I found that my ground to the frame was a bit loose and rusty. Cleaned and tightened, fixed the problem.

02 honda sabre 1100
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