Fully restored CB400/4 on eBay

[McCabe-Thiele (Ted)]

You are not alone my 400 has the nut on the left hand side.

In the Honda Parts List it is shown with the nut on the left hand side.

I'm glad there are at least two nutters on here then! Ted, my picture shows it on the right hand side.

The dowloadable Shop Manual supports us Lefties.

The 500 is also shown in manuals as a left side nut fitting as does Mr Haynes.

[TrickyMicky]

Having the nut as per the photo means you can slide the axle out without having to disturb the exhaust.

[Athame57]

This is turning into a heated discussion..... JULIE .... come and tell us which way around it should be! 

[Laverdaroo]

Deffo left


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[Nurse Julie]

100% left. Why anyone would even consider putting on the right is beyond me.

[royhall]

If your happy to take the exhaust off every time you get a puncture put the nut left, otherwise put it on the sensible right.

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[Nurse Julie]

To be honest, I've seen them both sides and have had my own 400's on both sides. I don't n't think it makes a huge amount of difference though. If I had a puncture, I'd walk away and leave the bike, there's no way I'm taking a wheel off by the side of the road. The practical side of my head says right, the purist side of my head says left.

[Moorey]

   I don't see as it actually makes any difference unless I am missing something as the swing arm has open ends so the wheel can
   be removed anyway. Possibly a production line thing for getting a gun on the nut.

[K2-K6]

Mostly worked on 750 and always with them on right side of bike.

Amusing that in a original Honda 750 manual, a double page spread illustrated with exploded build diagram on RHS, picture of rear with it on RHS, also another picture installed opposite  LHS.

As Julie notes though, it doesn't make a difference from a clamping point of view, the spindle is "floating" and will effectively impart tensile load the same from whichever side you put it in.

[Nurse Julie]

Triggers view on it is that the nut should be on right, for 2 reasons. If you need to remive the wheel with the on board tool kit, you would put your foot on the spanner to give extra pressure to undo the nut. If it was on the left, you would have to pull up on the spanner. And, if it was on the right and you are pulling up on the spanner, there is a risk that the bike could roll forward off of the centre stand.

[AshimotoK0]

1st pic From Dealer Setup Manual and 2nd the 'Push mile' bike auctioned a couple of years ago. I think the  push miles one is wrong (as was a lot of other things were on that bike for a cool 16k or whatever it was after fees etc. )
I always fitted on right but I think Mr Honda intended it to be on the left.

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[Athame57]

Triggers view on it is that the nut should be on right, for 2 reasons. If you need to remive the wheel with the on board tool kit, you would put your foot on the spanner to give extra pressure to undo the nut. If it was on the left, you would have to pull up on the spanner. And, if it was on the right and you are pulling up on the spanner, there is a risk that the bike could roll forward off of the centre stand.

That's it then, mine is staying on the right! 

[McCabe-Thiele (Ted)]

When they arrive in a packing case is the rear wheel on place?
If not it might be down to the PDI assembly.
Can't see it makes any difference TBH.🤔🤔🤔

[AshimotoK0]

When they arrive in a packing case is the test wheel on place?
If not it might be down to the PDI assembly.
Can't see it makes any difference TBH.🤔🤔🤔

https://www.dropbox.com/s/ewl1d9td0nhxeya/CB400_set-up_man.pdf?dl=0


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[McCabe-Thiele (Ted)]

That's one theory out of the window, the rear wheel is factory fitted.
Looks like the nut is on the left in the packing case photo though resolution is poor on my phone.