ninjette.org

Go Back   ninjette.org > 2008 - 2012 Ninja 250R > 2008 - 2012 Ninja 250R Tech Talk

Notices

Reply
 
Thread Tools
Old March 31st, 2014, 07:20 PM   #1
linkinpark9812
ninjette.org member
 
Name: Miles
Location: Northwest Indiana
Join Date: Mar 2012

Motorcycle(s): Black 2012 Ninja 250R

Posts: 93
Electrical wattage savings with LEDs

Well since there hasn't been much info on the subject since the 07's, I figured I'd give my information on what I know and have observed.

The only one I cam across was this: http://www.ninjette.org/forums/showthread.php?t=31087

I find it to be pretty accurate, however I have converted quite a bit of my stuff to LEDs (everything but the turn signals and head lights).

I have installed an ammeter and have some input on the stock draw of our electrical system.

Below is the data from the new service manual.

As you can see, the 08-10 years came with a 12V 6A battery, while the 11-12 years came with the 12V 8A battery. Also the 08-09 stator puts out 19A while the 10-12 puts out 20A. This may or may not be related to the battery change. So assuming the regulator can also put that kind of power out, we have about 20 amps available to us. This is rated at 5k rpm and 14V, which gives us ~280 watts of power.

When riding the bike with a charged battery, no matter if I was idling or at high rpm, the bike was drawing 5A-6A just running. This is with nothing on but the stock stuff and my aftermarket computer system, which draws about 0.5A, so the bike probably draws about 5A stock. With a turn signal on, it was more around 6A-7A. With the high beam on, it was closer to 8-9A.
With a turn signal on and high beams, it is more around 9-10A.

These readings are an average. When I had instant data, while idling, I got current draws as low as 2A to as high as 10A, so I had to average, but I did take a short period of time to average (3 seconds).

So realistically, it seems we have a solid 10A available to use when having all LEDs except for turn signals and head lights. This may be important to know for high draw applications, such as heated clothing. So for 10A at 14V, that is 140 watts extra to use.

The other post showed around 88 watts available to use with the stock bulbs. Just goes to show that by converting all the bulbs except the turn signals and head lights to LEDs can actually save you a lot of power (possibly 40+ watts).

LED specs:

Looking at the paper specs, each of my meter LEDs draws about 1.4W, so that is 4.2W for the three. Each indicator LED draws 0.5W so that is 2.5W for the five. Brake light at full brightness is 6W. License plate light is about 0.5W. If all were on, that is a total of a 13.2W, as much as it takes to light all of the meters lights and one indicator light on the stock system!
Attached Images
File Type: png Capture.PNG (25.4 KB, 4 views)

Last futzed with by linkinpark9812; March 31st, 2014 at 10:39 PM.
linkinpark9812 is offline   Reply With Quote




Old March 31st, 2014, 09:56 PM   #2
Alex
ninjette.org dude
 
Alex's Avatar
 
Name: 1 guess :-)
Location: SF Bay Area
Join Date: Jun 2008

Motorcycle(s): '13 Ninja 300 (white, the fastest color!), '13 R1200RT, '14 CRF250L, '12 TT-R125LE, '15 CRF110F, '13 TT-R50E

Posts: Too much.
Blog Entries: 7
There are some calculations in this thread:

http://www.ninjette.org/forums/showthread.php?t=31087

that is linked from our main DIY sticky in the 2008+ tech section. They came up with quite a bit less available power, at least for the '08-'09 bikes.
__________________________________________________
Montgomery Street Motorcycle Club / cal24.com / crf250l.org / ninjette.org

ninjette.org Terms of Service

Shopping for motorcycle parts or equipment? Come here first.

The friendliest Ninja 250R/300/400 forum on the internet! (especially Unregistered)
Alex is offline   Reply With Quote


Old March 31st, 2014, 10:12 PM   #3
linkinpark9812
ninjette.org member
 
Name: Miles
Location: Northwest Indiana
Join Date: Mar 2012

Motorcycle(s): Black 2012 Ninja 250R

Posts: 93
Quote:
Originally Posted by Alex View Post
There are some calculations in this thread:

http://www.ninjette.org/forums/showthread.php?t=31087

that is linked from our main DIY sticky in the 2008+ tech section. They came up with quite a bit less available power, at least for the '08-'09 bikes.
I have seen that one. Mine may be a little off now that i think about it. My Meter lights and warning lights, as well as brake/tail and license plate light are LED. I know my brake light draws 6 Watts at 12V, as apposed to the stock 21W. Not sure about the others, but I would say it is safe to say that without any of the LEDs, it would probably be another 3 amps or so. more, so probably closer to the 13A mark rather than the 20A mark, which would probably allow 85 watts be used.

I'll change the original post to reflect this. It does show that converting everything but the turn signals and headlights to LEDs can save you a pretty hefty amount of power (~36 watts).

I just noticed that he wasn't able to get the Igniter draw. Would be interesting to see how much the igniter needs to keep the bike running.
linkinpark9812 is offline   Reply With Quote


Reply




Similar Threads
Thread Thread Starter Forum Replies Last Post
Stator died on my '11 two fiddy sarapacman99 2008 - 2012 Ninja 250R Tech Talk 16 October 6th, 2014 04:52 PM
Electrosport Stator NevadaWolf 2008 - 2012 Ninja 250R Tech Talk 7 September 14th, 2014 06:25 PM
Stator Cover Replacment Bermuda 2008 - 2012 Ninja 250R Tech Talk 1 July 15th, 2013 05:05 PM
[motorcyclistonline] - New Permatex® Liquid Electrical Tape Keeps Electrical Connect Ninjette Newsbot Motorcycling News 0 February 26th, 2011 01:20 AM


Thread Tools

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


Motorcycle Safety Foundation

All times are GMT -7. The time now is 07:43 AM.


Website uptime monitoring Host-tracker.com
Powered by vBulletin®
Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
User Alert System provided by Advanced User Tagging (Lite) - vBulletin Mods & Addons Copyright © 2024 DragonByte Technologies Ltd.
Except where otherwise noted, all site contents are © Copyright 2022 ninjette.org, All rights reserved.