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Old 05-21-2011, 07:48 AM
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02 Sportsman 500 H.O. Won't Shut Off

I recently purchased a nice used Sportsman 500 H.O. most times the engine will not shut off by turning the key off sometimes it will run for a minute or longer with the key off,Turns off normally with the switch on the handle bar what could cause this or is it made that way?
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Old 05-21-2011, 09:28 AM
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Sounds like a bad ground. Fallo the wires from the key inside the pod and keep an eye out for a groung not connnected. If you can't find one then replace the key switch

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Old 05-26-2011, 02:43 AM
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It's fixed the problem was the ignition switch.
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Old 05-26-2011, 03:15 AM
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Good thread. I now realize I have a problem I didn't know I had. The ignition switch on my 2001 500HO seems to control only the speedometer and indicator lights. The quad will start and stop with the kill/starter switch with the ignition switch in either on or off position. Thought it strange but the quad is new to me. Turning off the ignition switch doesn't kill the engine. Doesn't keep me from using the quad but I'll check it out next time I get the chance. Did you have to replace the ignition switch or was it just a bad connection. Would appreciate details of your fix.
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Old 05-26-2011, 03:58 AM
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On mine if you turn the key off slowly just before it got to the off position it would shut off normally but if you just turned it from run to off it would stay running unless it was turned off using the switch on the left handle bar,Got the new switch off eBay for around $50 shipped be cautious when shopping as there are used switches on there too for about the same $ I got a new one.
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Old 05-26-2011, 04:08 AM
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Thanks
So your problem was the switch itself being bad.
I'll start my troubleshooting with the wiring and if I end up needing a new switch so be it.
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Old 05-26-2011, 07:01 AM
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Just tested mine
-key off quad won't start
-key on all ok
-Quad running, turn key off quickly, no effect on engine but speedo turns off.
-Quad running, turn key slowly to off and engine stops when key hits about 80% of its travel, speedo turns off at same point

Looks like exactly the same problem. Not sure if it's worth fixing unless it can lead to complete switch failure down the road. It's like the switch travels too far and makes ignition contact again before the engine has stopped when the key's turned quickly. Turn the key slowly and everything's fine.
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Old 08-28-2012, 05:12 PM
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Thanks all for the info. This is exactly the problem I'm having. Odd: when the engine keeps running (key OFF), the kill switch won't stop the engine either. Quad is a yr 2002 Sportsman 500 HO.
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