What does a clutch switch do?

[Bertie basset]

Please forgive my innocence. I have not long bought a honda 650 and I have no idea why there is an electrical switch connected to the clutch master cylinder.So please put me out of my misery and tell me what it does

Thankyou

[moonzoomer]

[Pete.]

It stops you from starting the bike in gear, unless the clutch is pulled in. On a fuel-injected Suzuki (probably most of the other jap makes too) it also invokes the neutral fuelling and ignition map so it's not a good idea to bypass it by joining the wires.
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a.k.a 'Geri'

132.9mph off and walked away. Gear is good, gear is good, gear is very very good

[Bertie basset]

Thanks guys, only there was no info at all in the workshop manual