General > General Technical Chat
Do the switches on motorcycle handlebars use magnetic reed switches?
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e100:
If not, how do they make them waterproof to survive being hit by rain drops at 100 mph?
newbrain:
Not in any of the four motorcycles I've owned.
Classic mechanical contacts, with decent sealing.
e100:

--- Quote from: newbrain on December 19, 2021, 04:12:52 am ---Not in any of the four motorcycles I've owned.
Classic mechanical contacts, with decent sealing.

--- End quote ---

How are the slider types sealed? Is the slider actually turning a shaft with an O-ring seal?
sleemanj:
I think maybe you overestimate how big a problem water is.

It's a 12v system, the switches are not submerged (normally, but in my trail bike days it has been known), rainwater isn't very conductive, and they are facing to the rider not the oncoming onslaught.

In all my bikes, they have been simple slide switches, nothing more.

Here's a video of some fellow disassembling some typical switches,
e100:

--- Quote from: sleemanj on December 19, 2021, 06:25:38 am ---I think maybe you overestimate how big a problem water is.

It's a 12v system, the switches are not submerged (normally, but in my trail bike days it has been known), rainwater isn't very conductive, and they are facing to the rider not the oncoming onslaught.

In all my bikes, they have been simple slide switches, nothing more.

Here's a video of some fellow disassembling some typical switches,

--- End quote ---

That's a 20+ year old scooter. Are modern motorbikes the same?

Presumably some of todays models are using ECUs and therefore the switches are only switching a few milliamps. Wouldn't water ingress and leakage currents be a problem for those?
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