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Messages - MrDavo

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1291

CB750 / Re: Clutch switch?

« on: September 22, 2015, 09:29:06 AM »

Quote

Chances are your K1 has a later switchgear fitted by a previous owner, as I seem to recall they started fitting the "Safety circuit" from K3 onwards.

Which explains why I am now having a nightmare reconnecting the wires in the headlight from the switches following my handlebar swap, and why there are a couple of extra wires with heat shrink sleeves over their ends. I will look at the K3 on wiring diagrams to see if any of the colours changed.

At the moment I have no working kill switch (ignition is always on), and only one throttle cable (and only one nipple hole on the twistgrip) I would like at least one of thse items put right, the ignition switch doesn't look easy to reach when the throttle is stuck wide open.

The hardware is there under the tank for the throttle close cable, it's just not connected to anything.

1292

CB750 / Clutch switch?

« on: September 19, 2015, 04:40:38 PM »

Why does my K1 import have 2 wires going to the clutch lever? Why does it want to know if I've got the clutch pulled in or not?

1293

Tricks & Tips / Alloy polishing

« on: September 18, 2015, 03:33:16 PM »

While I like the vapour blasted finish on my CB750 engine, it isn't appropriate for either the fork lowers or the engine covers, but that's how I got it. The cam cover can stay how it is for now, as I can't be arsed to take the engine out just to polish it properly.

Although it is something I could possibly have a go at myself in the winter, anyone know of a decent polisher in the North West, and have an idea of the cost?

Anyone had a go themselves? I reckon the first 'cut' will have to be quite aggressive to remove the matt finish I have at the moment. Also as I want to laquer the result, both so it looks original, and so the 'monkey metal' alloy doesn't go nasty too quickly. How do you finish the alloy to key the laquer, and what laquer did you use?

Any tips or experience will be gratefully received.

1294

New Member Introductions / CB750 K1 noob, North West

« on: September 17, 2015, 12:36:54 PM »

Hi, Dave here, I've been lurking a while while buying a K1 CB750, after owning one when I was 19, er, quite a while ago. The one I had was blue, with a red frame, 4 into 1 and a Yoshimura race cam, I part ex'ed a Suzuki GT550 against it at Sports Motorcycles, Manchester.

I got rid because it kept trying to kill me, although that probably had more to do with me being 19 than the bike.

Anyhow, here's my K1 now, it's a South African import, already restored, I've been carrying on with that since I bought it, and am getting her somewhere near, but still with work to do. It is a rare colour for a K1 (not sold in Europe or USA), with HM300s that sound glorious. It looks like a new bike, I will eventually show it as well as use it.

At the moment the rats nest in the headlight needs redoing, after fitting the correct bars and threading the wires through. The old bars are in the photo, the external wires with cable ties were bugging me.

An ex racer, I have worked for race teams including Honda Britain in the past, so I'm not afraid to do most stuff myself. I also have a 30 year old Porsche 911, though that's a different story, different forum.

I'm currently awaiting a dating letter from the VJMC, after Honda UK (and South Africa) were worse than useless, unable to confirm info that a 5 year old could find on Google. They even sent me a refusal in an unstamped letter which I had to collect and pay excess postage on! $:-\$ Not impressed, they don't give a monkeys about a bike they didn't sell themselves.

I've serviced the bike and put new Avons on, so I can get it MOT'd (after I redo the wiring). I've also replaced all the allen screws with Firrips ones in the search for originality.