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  #1  
Old 1st December 2019
doc martin doc martin is offline
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Default 2015 sportster charging

Does any one know where to buy a high output charging system for a 2015 sportster. My bike has a stator that outs out 22 amps. I will be having hook ups for two heated jackets, a Gps, and heated grips. I don't know if my current system will handle all that.
Any help will be appreciated
Doc Martin
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Old 1st December 2019
shanneba shanneba is offline
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I believe the Sportsters have a 30 amp charging system.

My Gerbing Jacket has a max draw of 6.4 amps.
My gloves are 2.2 amps, grips should be close.
I checked the HD heated grips, 56100261, they pull 2.8 amps.
https://serviceinfo.harley-davidson....1?locale=en_US
The GPS probably doesn't draw too much, maybe a couple amps.
The HD zumo 5" GPS, 76000573, pulls 3 amps.
https://serviceinfo.harley-davidson....7?locale=en_US

2 jackets = 12.8 amp, Grips, 2.8 and GPS 3.0, total would be 18.6 amps.

On my 2013 Sportster running the Jacket and gloves at about 50-70% will drop the voltage about 0.2 volts (I see about 13.8 v) while on the highway, closer to about 0.5 volts at idle. I see about 13.5 v at idle.
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Old 1st December 2019
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Quote:
Originally Posted by shanneba View Post
2 jackets = 12.8 amp, Grips, 2.8 and GPS 3.0, total would be 18.6 amps.
The Sportsterpedia says: 22amps is stock for 2005
(ETA: Yep - misread - the 2015 is 32a)

http://sportsterpedia.com/doku.php/t...harging_system



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Charging system went from 22 amps to 32 amps in 2007.

The new rotor retrofits the earlier rubbermounts.
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Old 2nd December 2019
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MoCo still giving us a single phase set up, correct? Both my 2004 and 2006 “R’s” are now running Cycle Electrics 38 amp three phase. Electrical power is no longer a problem for either of them. And I often see 14.5 at less than 1500 r.p.m., comforting as the standard system had to have 3500 r.p.m.to get max output.
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Old 8th December 2019
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although related, ideally you do not want to see a voltage drop.
why???
because amperage is going up and that is what kills the stator.
the three phase is the way to go since it splits the load. another plus if if you lose a leg, the pmg will still put out charge current, just reduced. the second plus is when you lose a leg, there will be flicker and reduced brightness a tell that you have an issue.
the hd series system is extremely marginal, engineered to lowest cost to do the job.
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Well - The truth is - This forum is a small minority of HD Sportster buyers / riders...

I'd guess that 50% of all Sportsters never get over 5,000 miles put on them (so not likely to need major upgrades)

Another 30% never get over 12,000 miles put on (so, maybe an engine upgrade of some kind)

Those that ride their Sportster for over 30,000 miles, might consider riding in the cold with heated gear or putting extra lights on for night-time riding...

So, for 80% of Sportster riders, the MoCo configuration is very satisfying - And probably another 10% are able to squeek by with the stock 32A even if they are running heated gear on the most recent models (especially if running LED lights)...

I'm not saying no one needs an upgrade - But why would the MoCo load up the bike with extra costs when 80-90% of the riders do not need the extra capability?

Like I said - The riders who hang out here fit into a small minority definition of Sportster riders...

I'm glad there are options...

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Old 8th December 2019
doc martin doc martin is offline
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I don't know what parentage I am in. I rode my 2005 sportster 22,000 miles last year. I got rid of my 2015 freewheeler just a few weeks ago, it had 62,000 miles on it. I traded it for a 2015 sportster with a 1200 conversion already put on it. it has only 1,200 miles on it. I got the sportster and $11,000.00 Canadian, good deal at least I think so. I just received my Frankenstein conversion kit for it two days ago. ( what a great kit, If Harley would of went with a rear end like that on their trikes they would have had a perfect trike) I hope to put at least 25,000 miles on this new trike next summer. Red wood run in June, Red lodge in July, Sturgis in August, then down to new Orleans, then to Florida,Then over to San Francisco, stop in at Chico California for the best pizza in the world then over to Kalispell Montana for the second best Pizza Then home and just cruise around BC for the rest of the summer. Its nice to be retired and have a wife that likes to travel with me.
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Old 9th December 2019
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Well thank you Ken, kind of awake up for me, realizing my frustration in our charging systems limitations is far from the norm as I probably am in the minority. Hard for me to grasp that the MoCo couldn’t have at least shared the Dyna system. Would the cost have been that much more? I mean both have stators, rotors and regulators? Didn’t the Japanese go three phase back in the 70’s? Would increased numbers have made the costs more favorable? Is the cost difference between single phase and triple phase that much greater? Okay, rant over.
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Quote:
Originally Posted by sportsterpaul View Post
Hard for me to grasp that the MoCo couldn’t have at least shared the Dyna system. Would the cost have been that much more? I mean both have stators, rotors and regulators? Didn’t the Japanese go three phase back in the 70’s? Would increased numbers have made the costs more favorable? Is the cost difference between single phase and triple phase that much greater? Okay, rant over.
80-years-ago many of the best manufacturers built their products to last 60-100 years or more... My JD lawn tractor is over 40 years old - still works fine - will outlast my lifetime... They don't make them that way any more... But, we're not talking about being able to rebuild forever - heck, the Ironheads prove the basic build is solid...

In the same way that mfr now use JIT (just-in-time) suppliers so they don't have to keep a warehouse of production parts, the mfrs now have JIT Warrantees - The products are made for a limited life and are built with very targetted capabilities - only enough capability to sell the numbers you need and only with a quality that will satisfy those 80-90% customers...

I have no idea what the difference in cost is between the 32A single-phase system and any of the other HD systems - but the Sportster is already considered expensive for what you get - And HD would certainly charge more for any upgraded addition...

BTW, this Cycle Electric article is interesting (re: expensive rotor magnets):
http://www.cycleelectricinc.com/48%2...ee%20phase.htm

Harley always has an angle toward selling upgraded parts - That too helps explain their choice of satisfying the 80% with some additional product available for the other 20%...

I'm not arguing against a better (more capable) system, but I'm not at all surprised by HD's choice, considering the factors I've mentioned...


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