SOHC.co.uk Forums > CB350/400

400 Ignition Barrel Problem

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Deano400:
Hi All.
As you can see from the first pic, I can remove my ignition key when in the ON position. Bit of a pain as it works its way out whilst riding along. Now I start the bike and put the key in my pocket to keep it safe then have to fish around in my pocket for the key when I stop.
Has anyone managed to dismantle and repair one of these?
Or has anyone got a useless one they are willing to part with so I can have a practice run at fixing before I attempt mine. I'd like to keep mine as it is the same key for the seat.
Looks like it's three punches to the outer casing holding it together. I was thinking of drilling out the punches but not sure how I'd go about fixing it back together yet or once apart whether I can do anything to resolve the key issue.

Sprocket:
I have!

That punch thing is just to catch a bigger dimple in the casting. You just pull the metal sleeve up.

Mine was exactly the same as yours, probably a bit worse even, as the flap thing has wedged open and someone had seemingly started the bike with a screwdriver at least once.

Took apart carefully, and straightened all the brass pins. Greased lightly and reassembled and it works great now. But then I did also get another key for it, as the one I had was very worn...

Sprocket:
Chuck a load of penetrating oil on it overnight first, then use a flat screwdriver in the slot to the right of the dimple. Twist and it should come up. :)

Deano400:
Thanks Sprocket, will give it a go.

Sprocket:
I also feel like there could be a small screw to retain the cover.

Another bit of useful info is that there aren't that many different keys, some are still available. I bought one with the correct number from the US, on ebay. Searched my key number actually  :o

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