SOHC.co.uk Forums > CB500/550
Honda CB550 1975 usa spec running lights
Ibby4585:
Brilliant cheers.
What is the clutch microswitch for please?
Kris
Erny:
it blocks starter - if you don't have engaged neutral and you won't push clutch (microswitch in lever base) starter won't turn.
I strongly advice you to donwload Honda Service manual from Aladdin's Cave here : http://info.sohc.co.uk/download/cb500-550-shop-manual/
There is all described (except some typos there, this is a bible you need. Forget Clymer, Haynes etc!)
mike the bike:
The starter solenoid earth's either through the neutral switch or the clutch switch. So if the bike's in gear with the clutch not pulled in, the starter won't operate.
Ibby4585:
Cheers Erny.
Bryanj:
Sorry Mike only the early one earth, the safety circuit ones power via the button and the clutch switch does something fancy with the diode. On a lot of the US ones the starter button has 3 wires, 1 power in(black), 1 power to solenoid when pushed(green/red OR yellow/red), 3 power to headlight when button NOT pushed(black/red i think), as headlamp comes on with key this turns it off when starter current needed.
I spent about a month doing long distance diagnostics with a member on US site who had bought aftermarket switches that "fit straight on" according to the big US supplier but the colours were all wrong and trying to do a 10 min multimeter test by email dont half get long and laborious
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