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Old 03-06-2009, 09:01 AM   #1
adrianinflorida
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Join Date: Feb 2009
Location: Indialantic, Florida
Posts: 325
Ignition circuit problem

OK, Replaced the handle bars last night, got it all put back together got the wires plugged back in (Front Brake light switch and clutch position switch) Turned the key, pulled in the clutch and pressed the start button....Nothing, nada, zip zilch.

Cursed, had a cigarette, drank some coffee, went back to the bike and rechecked the wire connections, opened both swictch assemblies (Left and right) checked for broken wires, etc. adjusted the clutch handle position to get it to pull back a bit more to allow the clutch switch to open fully...the bike started.

Readjusted and reassembled everything (Reqadjusted the clutch handle assembly to where it works best with the new bars) while it was running, put it in first to test drive, stalled it, no starter button function again. Supidly, filed back the tip of the plunger on the clutch switch, to allow it to fully open with the clutch handle positiioned where I have it positioned. Still nothing.

The bike will push start, the starter works when when I apply voltage across the starter relay terminals. The kickstand switch functions properly the engine cut off switch functions properly.

Is the "Clutch Position Switch" an on/off type switch, or is there a "sweet spot" in the travel of the plunger where it allows the starter button to be energized? If I temporarily jumper the Clutch Position Switch connector, that should fool it into thinking the clutch swith is 'closed' or allowing the circuit to energize, correct?

The other possibility I can think of is a bad starter switch or connection to the starter switch.

I'm betting on the Clutch Switch, though, as over the past few weeks I've noticed that when I'd go to start the bike, I'd pull in the clutch, push the button and occasionally it would either do nothing or take a second before the starter spun up. Sometimes letting go of the clutch and reapplying it would allow it to start right up.

So I guess my main question is would jumpering the clutch switch connector/circuit fool the circuit into thinking the clutch is properly depressed for testing purposes? If it's on on/off type switch I would think so, and the electrical schematic shows no diodes, etc for that part of the starter circuit, unlike the sidestand switch.



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