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Bike stalls when I turn on lights

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Bike stalls when I turn on lights
« on: April 30, 2009, 10:51:14 PM »
I have a 1980 GS 250T.  When it's running, I'll turn on the lights and the engine decreases about 100 rpms.  If it's on low idle, it will stall.  Some times the lights won't come on, but it still affects the rpms.
The battery is new and stays fully charged during all of this.  Anyone have any ideas?  I'm brand new to this forum.
Thanks

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Offline Hillbillydave

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Re: Bike stalls when I turn on lights
« Reply #1 on: May 01, 2009, 03:55:43 AM »
This forum is about Suzuki autos, not motorcycles. ;)

 However, it sounds like there is a problem with the stator, or possibly a short somewhere that is causing a high amp draw. Hope this helps!

David
'89 sidekick 1.3L 3" blue suspension parts, custom strut extensions 31x10.5 Mud Trac's on 10" rims rear fenders trimmed, lincoln locked rear, Rochester Carb on custom adapter
93 Sammy project, SPOA with 34's, 5.12's, welded, in the works

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Offline Rhinoman

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Re: Bike stalls when I turn on lights
« Reply #2 on: May 01, 2009, 04:20:59 AM »
Most bikes I have dealt with have two sets of windings, one set is switched in when the lights are turned on to provide the extra power. Check the alternator, the wiring, the handlebar switch assembly and the regulator.
2000 Vitara 1.6, 3+3 Lift, 33"MTs, 5:83s, LWB brakes, Winch, Snorkel, Safari Rack
1986 SJ413K PickUp, 1.6L conversion.

OBD1 - Full diagnostics on a PC/Laptop: http://www.rhinopower.org

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Offline locjaw

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Re: Bike stalls when I turn on lights
« Reply #3 on: May 01, 2009, 06:51:24 AM »
Most bikes I have dealt with have two sets of windings, one set is switched in when the lights are turned on to provide the extra power. Check the alternator, the wiring, the handlebar switch assembly and the regulator.
here is the states the lights are always on
1995 Sidekick SAS'd "Trail Slayer"
1993 4 door lifted "Road Warrior"
1995 4 door stocker "CreamPuff"