CB750 K6 Left Hand Side Switch Unit (Indicators)

[Phil9886]

Hi. I'm nearing the end of my CB750K6 restoration and needed to replace the LHS switch unit (indicators). It's a brand new unit from CMSNL - but I can't see anywhere for the cables to go as they come out of the unit. They exit from the same hole the handlebars should locate into - so there is no way there is room for the switch to clamp shut around the bars. On the old switch looks like someone has cut a slot with a hacksaw to give the cables space to exit. But seems very strange to have to do that for a brand new part. Am I missing something?

[Nurse Julie]

Sounds like you have a K7-K8 switch gear ( probably being sold as fitting a K6). I'm assuming it's a replica parts as the original hasn't been available for a long time. The cables go through the handlebars on the K6.

[Phil9886]

Great. Thanks. So is it possible to drill two holes in the handlebars to give an entry and exit point?  Looks like I have non standard bars too.

[Nurse Julie]

Great. Thanks. So is it possible to drill two holes in the handlebars to give an entry and exit point?  Looks like I have non standard bars too.

Unfortunately, No, you can't safely drill holes in the handlebars to accommodate the wiring, it reduces the rigidity of the bars a lot and therefore the safety, not so much the hole close to the switch gear but the hole in the centre of the bars where the cables exit.

[Phil9886]

Thanks. That's been extremely helpful. I've found some new K6 bars on CSMNL with the holes in.  Without realising that I'd have probably ended up cutting another slot in the switchgear. Thanks again.

[Nurse Julie]

Thanks. That's been extremely helpful. I've found some new K6 bars on CSMNL with the holes in.  Without realising that I'd have probably ended up cutting another slot in the switchgear. Thanks again.

Thats good, have you checked and triple checked they are the low UK/EU style handlebars not the high USA spec ones. If they are the high ones, they will be wrong for a UK spec bike and none of your cables will be long enough.

[Phil9886]

They are being sold as replacement bars for the English version of the K6 (mine is registered in the UK with the black rear light mount).  So I think they should be OK.

[Nurse Julie]

They are being sold as replacement bars for the English version of the K6 (mine is registered in the UK with the black rear light mount).  So I think they should be OK.

Yes, let's hope so. We have a UK K6, its a very nice bike, I love riding it, great fun.

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[Trigger]

Also check that the switch you have bought is for a UK bike and not a USA unit. Show me a picture id the switch gear and i can tell you if it is correct 

[Phil9886]

Looks beautiful. Mine the same colour. Should be on the road in a few weeks and I can't wait. Just about to unbox the Honda exhaust system plus fitting kit I bought new from Honda about 10 years ago! That is quite exciting in itself!
Picture attached of the new switchgear

[Trigger]

Yep that is a UK spec unit 

[Phil9886]

Great. I had it on a "wish list" on CSMNL for some time and it came up recently. Good to know it's UK. You had me worried for a bit. Really appreciate the help. Kind regards. Phil

[Phil9886]

Well I have realised I've got the same issue on the other side - the starter switch. The switch is fine and works - but cable is routed outside. I guess the guy before needed new bars and fitted the wrong ones - and then had to sort out the cables. If you had a NOS starter switch for a UK K6 I'd be interested. Cheers. Phil

[Trigger]

Probably got a decent second hand one (i'll check) and a NOS one which I suspect may be a repro. Certainly brand new, can you post a pic so I can compare just to be 100%. There should be a number on the casing, on the left hand switch you can see it just under the indicator lever.

The K6 and the UK 400 look the same but, the wires on the 400 are a lot longer as, they connect under the tank and the UK K6 is in the headlight 

[Phil9886]

Hi. Apologies - I just saw your reply. I don't have the original start switch and the one I've got is the version with the cable running outside the bars. If you have an original UK K6 start switch unit in good condition then I'd be interested. Thanks.  Phil