SOHC.co.uk Forums > CB350/400

Fuel cap removal

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Bullit:
Hey guys I got a replacement key from eBay a few weeks back with the numbers from the steering lock and seat lock but unfortunately it doesn't open the fuel cap. Iv sprayed, oiled, wiggled and jiggled but it doesn't even go in the lock.
Can it be removed without damage to the tank or cap? Not bothered about the lock part as I'll be replacing it with the non lock type.

I originally thought it had been laid up due to a front brake issue as it was missing but now think that they couldn't get into the tank.

Oh yer and some bugger has rounded off the Phillips screw head.

( I did you the search bar but couldn't find anything)

Menno:
So... the normal locks on a four are either a hex lock which you open with a hex key or the other type where you can put a key in.
The key type opens with any key, you can even use a screwdriver (not the drink).

But you say you can't even get a key in so maybe you have another type of lock (?)
Could you maybe post a picture?

The phillips screw would give the opportunity to get the lock free from the tank and the possibility to look inside the lock from underneath.
It is a pitty someone already tried it and messed up the screw.
If you drill off the head from the screw however you can  push the screw out the other side of the lock. Which is easier than drilling from the other side where you at least have to drill about 1 cm to free the screw.

Chris400F:
My bike came with a small key for the tank lock, so I assumed this key was specific to the lock.
Having just tried I find the lock will open with the ignition key, so I don't need the 'special' key at all.
It also has the cross head screw on the side - never knew that was there!
Have you tried prodding with a fine instrument of some kind to see if you can find something in the lock (the end of a key?) preventing the key going in?
Might be worth trying before you attack the screw head with a drill.
Also slightly confused about you getting a key number from your steering lock. Is it integral with the ignition, as fitted (I believe) to US bikes?
UK bikes have the lock on the side of the headstock with a totally different key.
If you haven't got a key then the only solution is to drill out and replace the lock (been there, done that!).

Bullit:
I have opened the little flap on the lock cover and can't see anything that shouldn't be in there.
If I remove the screw head does the remainder come out the opposite end with the square block releasing the whole mechanism? I know I'll also need to remove the pin at the opposite end of the cap.
What does this special key look like? Also I don't have an ignition key what do they look like?

Chris my steering lock is part of the bottom yoke

exvalvesetdabbler:
On  a 400/4 the ignition key should open it.  Doesn't matter on the key number. A luncheon meat tin key may also work. The stearing lock key may not as it is a bit thicker and only single sided.

Try soaking it in copious amounts of plus-gas or WD40 and press down on the cap a few times to relieve the tension on the mechanism as you turn the key. It may be that the latch has sezed on it's pivot.

Dave..

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