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Regulator/rectifier
Posted: Tue Oct 09, 2012 7:26 am
by parkmoy
Anyone know which one is used on the PCX125 and where it is physically located?
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 8:29 am
by sendler2112
The charging is done by the AC generator/ starter. It looks like the charging and rectification is controlled by the main ecu. Is your bike not charging? Have the battery tested. Most auto parts stores will do this for free if you bring it in.
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http://www.hondapcx.org/viewtopic.php?f ... gram#p8138
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Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 10:17 am
by parkmoy
Hmmm.... a little more complicated than I thought. The battery is fine, it's just a lack of charging voltage to it.
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 11:31 am
by maddiedog
The AC generator / starter is referred to as a stator. It's on the right side of the bike, in front of where the swingarm mounts to the motor, and behind where the cooling fan shroud is. Disassembly is on pages 13-1 to 13-9 or the US service manual.
Are you having trouble with starting your bike?
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 2:53 pm
by parkmoy
maddiedog wrote:The AC generator / starter is referred to as a stator. It's on the right side of the bike, in front of where the swingarm mounts to the motor, and behind where the cooling fan shroud is. Disassembly is on pages 13-1 to 13-9 or the US service manual.
Are you having trouble with starting your bike?
Only when the battery has gone flat

When charged there is no problem.
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 3:48 pm
by you you
Is it not charging or do you have a current drain?
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 4:07 pm
by parkmoy
It's not charging.
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 4:22 pm
by gn2
Could be a duff battery.
It's happened before on the PCX I think Honda got supplied a dodgy batch.
There's been a few replaced under warranty.
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 4:44 pm
by Taz
There have been a number of posts with duff batteries and a battery can seem fine when not under load but is still the cause. I would try a new battery first.
Re: Regulator/rectifier
Posted: Tue Oct 09, 2012 9:35 pm
by maddiedog
Your location is not listed in your profile... If you're in the USA, you can remove your battery and take it to a Wal-Mart. In the automotive section, they have a battery tester you can use for free to check if the battery is good or not.
Re: Regulator/rectifier
Posted: Wed Oct 10, 2012 2:37 pm
by parkmoy
I'm in the UK. The battery is fine, it's been tested by a specialist battery supplier. There is no difference in voltage across the terminals when the engine is running and revving therefore it is not charging on the scooter.
Re: Regulator/rectifier
Posted: Wed Oct 10, 2012 2:40 pm
by maddiedog
How old is it? Is it still under warranty? Electrical problems are very hard to track down, it might be best to take it into the dealer.
Re: Regulator/rectifier
Posted: Wed Oct 10, 2012 2:47 pm
by parkmoy
It's early 2011, no warranty. I think maybe take it to a dealer is the answer.
Re: Regulator/rectifier
Posted: Wed Oct 10, 2012 3:55 pm
by TC3
parkmoy wrote:It's early 2011, no warranty. I think maybe take it to a dealer is the answer.
You sure? Uk pcx warranty is 2 yeqrs I believe
Re: Regulator/rectifier
Posted: Thu Oct 11, 2012 12:14 am
by FritzPinguin
TC3 wrote:You sure? Uk pcx warranty is 2 yeqrs I believe
Warranty on the battery in Thailand is just 6 months
