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SOHC.co.uk Forums => CB750 => Topic started by: roo on September 11, 2011, 06:56:45 PM

Title: Oil leak - neutral switch 0-ring seal???
Post by: roo on September 11, 2011, 06:56:45 PM

Hi Guys,

Just bought a 1978 CB750 F2 and could do with some help/advice. I noticed a small oil leak when collecting the bike yesterday - the previous owner said it was coming from the neutral switch and that changing the o-ring would be a simple fix. The bike has been in the garage overnight and has leaked a bit more oil than I would like - something like a desert spoonfull at a guess.

Can anyone confirm whether what they previous owner said sounds about right? I'd also be greatfull to know if it's an easy job to fix?

Title: Re: Oil leak - neutral switch 0-ring seal???
Post by: hairygit on September 11, 2011, 07:55:16 PM

If it is the neutral switch O ring, then yes, it's a very simple fix, 1 bolt holds a little metal clamp piece, undo the bolt, thge clamp piece usually comes off with it, then wiggle the switch out (it's not threaded, but can be a bit stiff to remove, some just fall out) Fit the new O ring to the switch, and re assemble. DO use a genuine honda O ring though, Dave Silver has them as others may look okay but are often a fraction too thin and leak!