So my buddy has this '82 Seca that starts and runs great, but when you let the clutch out it just starts to roll then dies abrubtly. I think it might be the kill swtich on the kickstand. Thoughts?

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1976 Honda CBR360R/T
1998 Honda VTR1000 SuperHawk 996

Fargo, ND supports global warming

That would certainly be one of the usual suspects. Certainly easy enough to check by disconnecting the switch.

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2008 Ducati Hypermotard 1100
2006 Kawasaki KLX250S
2004 Honda CBR600RR
2002 BMW R1150R
1996 Ducati 900SS

No if that was the problem it'd die when you put it into gear.
Sounds to me like it's locking up somewhere. Can you push it around if it's in neutral?

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Have owned - 2001 Suzuki Volusia
Current bike - 2005 Kawasaki Z750S
MMI Graduation date January 9th, 2009. Factory Certifications in Suzuki and Yamaha

Not all bikes work that way though. For example, on my KLX the switch is designed so that the engine stops if the clutch is engaged with the transmission in gear when the side stand is left down. And I know for a fact that the bike will roll a little before the swich kicks in and the bike shuts down.

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2008 Ducati Hypermotard 1100
2006 Kawasaki KLX250S
2004 Honda CBR600RR
2002 BMW R1150R
1996 Ducati 900SS

Yeah, the Kawasaki Ninja for example, dies if you try to let the clutch out after you've put it into gear. I suppose check your unique kickstand mechanism and then take it to a repair shop if it's not responding still. I know that's got to be frustrating to have your engine running and unable to move.

best of luck!