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  #1  
Old 29-12-2008
Justin G's Avatar
Justin G Justin G is offline
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RMX Lighting Problem

I have a 99 RMX with a Polisport heahlight, problem is when the bikes idling
the headlight works fine. Then if i give it a few rev's it go's dull, but not completly out? Pulled it apart checked all connections and cleaned still does it!
Any suggestions.

Cheers Justin
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Old 29-12-2008
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Bathy Bathy is offline
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I'd be checking the regulator/rectifier.
At idle the stator will need little if any regulation, hence the normal light.

As the revs come up and the voltage rises it sounds like the regulator is breaking down.

Check voltage with a multimeter at idle and as you slowly bring the revs up.

EDIT: Might be worth checking the connections to the regulator as well (if you haven't already), corrosion could be the cause.
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- '96 KLX680R TM42, KX Forks, 280mm FRdisc, Ohlins Shock, BGP.
- Sons bike '07 KLX250 FCR37, Snorkel Removed, Breather Mod, Eibach/King Springs.
- Wifes Bike '89 TT250, Well 'n' truly Run-In
- '96 KLX650R
- '92 CR125
- '82 KX80


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Originally Posted by wazza
Go with the lesser seen Kwaka and stand out in the crowd.
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Old 29-12-2008
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TonyH TonyH is offline
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I'm with Bathy. I'd offer a copy of my manual but I can't find a way to host the bloody thing.
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Old 29-12-2008
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Thanx for the help,will check 2morrow.
Have an online manual downloaded so will check with it.

Cheers Justin
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Old 30-12-2008
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Justin G Justin G is offline
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Whats what

OK, pulled the bike apart and cleaned connections with Lectra-clean.
Still doin it, so pulled tank off to find Regulator. Problem is im not electricaly minded, so checked manual to see what the regulator looks like.
Also looked at BikeBandits schematics and they all look different so took some pics.


1st pic These under the tank

2nd pic This behind the light


Any help would be good thanx


Cheers Justin
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Old 30-12-2008
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1st pic, the ally thing with the cooling fins

Does your manual give instructions for testing regulator?
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John
- '96 KLX680R TM42, KX Forks, 280mm FRdisc, Ohlins Shock, BGP.
- Sons bike '07 KLX250 FCR37, Snorkel Removed, Breather Mod, Eibach/King Springs.
- Wifes Bike '89 TT250, Well 'n' truly Run-In
- '96 KLX650R
- '92 CR125
- '82 KX80


Quote:
Originally Posted by wazza
Go with the lesser seen Kwaka and stand out in the crowd.
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Old 30-12-2008
Justin G's Avatar
Justin G Justin G is offline
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Location: Moranbah CQ
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NA doesn't have anything about testing in manual.
It has 5 wires, 3 come from magneto, 2 go to the loom for rear lights i think?
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Old 30-12-2008
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Bathy Bathy is offline
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Quote:
Originally Posted by Justin G View Post
NA doesn't have anything about testing in manual.
It has 5 wires, 3 come from magneto, 2 go to the loom for rear lights i think?
OK, the 3 from the magneto are your A/C feeds, if you had specs you could disconnect and check stator resistances here also.

The other 2 will be your 12V DC, one should be an earth.

Check the voltage across the 2 going to your rear lights,
they will also feed your headlight.
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John
- '96 KLX680R TM42, KX Forks, 280mm FRdisc, Ohlins Shock, BGP.
- Sons bike '07 KLX250 FCR37, Snorkel Removed, Breather Mod, Eibach/King Springs.
- Wifes Bike '89 TT250, Well 'n' truly Run-In
- '96 KLX650R
- '92 CR125
- '82 KX80


Quote:
Originally Posted by wazza
Go with the lesser seen Kwaka and stand out in the crowd.
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  #9  
Old 30-12-2008
mickv mickv is offline
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0.8 ohms is what the reading should be about for the stator.

my bike does a similar thing but its the indicators when the bike is reved the indicators stop working..wierd huh?
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Old 30-12-2008
Justin G's Avatar
Justin G Justin G is offline
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So unplug the 2 rear and check there.
These 2 must provide power for the lights?
Done some fiddling with wires from headlight, if change 2 of the 3 arournd light comes on highbeam on lowbeam switch on the bars and turns off on the highbeam switch on the bars
Are regulators a throw away item or can they be fixed?

Cheers Justin
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