SOHC.co.uk Forums > CB750
Neutral Switch
Skoti:
--- Quote from: Martin6 on April 29, 2023, 10:27:41 AM ---
--- Quote from: Bryanj on April 29, 2023, 08:29:25 AM ---Its possible that the O ring is too thick and not letting the switch fit far enough into the case OR the switch itself is filling with oil.
New switches are still available, same in GL 1000 and some Honda marine stuff
--- End quote ---
Thanks. I'm hoping the switch is OK, as it works when removed. I did pump out some dark stuff that was lurking behind the bearing, when I cleaned the switch out (with brake cleaner). I'm hoping that was the issue.
The photo in the manual isn't very helpful. Does the o-ring sit inside the engine case, around the shaft of the switch, or is it outside the case, between the face of the switch and the face of the engine case? At the moment I have it outside the case and that seems to be holding the switch out a bit and the retaining bracket is on a bit of a slant. To me, that looks wrong and maybe I should have it inside the case, so the bottom of the switch has a good direct contact with the outside face of the engine case. It was dirty under there when I removed the switch, but I'm 'fairly' sure the o-ring was inside?
--- End quote ---
Had the same problem with my neutral light switch, cleaned it with brake cleaner and compressed air.
Black gunge came out, problem solved.
Martin6:
Thanks all,
Got it back in, behaves exactly the same. Off the bike I could get the light on and off. So wiring from the switch must be fine. Once in, out of neutral the light is slightly dimmer, but on. I guess the switch is leaking back to earth. Time for a new switch.
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