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Messages - SteveW

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46
Can’t think why 😳

47
CB500/550 / Re: It’s home at last!
« on: December 26, 2023, 12:45:57 PM »
I need to remove mine to restore it. Do you lever it out from the front or remove the whole alternator cover and push it out from the back?

48
Misc / Open / Re: Handy Plastic Repairs?
« on: November 14, 2023, 03:40:13 PM »
I’ve used the baking soda / superglue method, it’s works very well. Sets like rock instantly.

49
CB500/550 / Re: It’s home at last!
« on: November 12, 2023, 09:34:06 AM »
Timpsons can cut those keys. My branch had to order the blanks in but only took a couple of days.

50
CB350/400 / Re: Oil weep from head
« on: November 03, 2023, 12:23:18 PM »
http://www.sohc.co.uk/index.php/topic,28673.15.html

This is my post about the subject, it was for my 650 though.

I’m in the process of rebuilding my 550 at the moment so I’ll probably go for thicker o-rings again.

51
New Member Introductions / Re: Hi, Everyone!
« on: October 31, 2023, 08:06:00 PM »
Where abouts in Bucks?

I’m just by J5 M40, on the border with Oxfordshire.

52
Member 4 Sales / Re: 400/4 Cam Chain tensioner.
« on: October 29, 2023, 12:51:26 PM »
Thanks Bryan, I’ll check the condition of mine tomorrow.

53
Member 4 Sales / Re: 400/4 Cam Chain tensioner.
« on: October 29, 2023, 12:26:55 PM »
Are there alloy ones available for other models?

Just in the process of stripping down my 550, haven’t closely examined my tensioner yet but I know replacements from DS are £££.

54
Announcements / Re: 550 Keilin carburettors
« on: October 26, 2023, 06:51:30 PM »
What about the Keihin 022A’s ? Got those on my 74 550 and they’ve been fine for the last 5 years.

55
CB500/550 / Re: Reprofiled camshaft
« on: October 25, 2023, 08:35:51 PM »
Check this out:

http://www.chinonthetank.com/2016/05/cb650-cam-in-a-cb550/

This is what I’m currently doing.

56
CB500/550 / Re: What would cause this camshaft damage?
« on: October 22, 2023, 11:07:58 PM »
Wouldn't change in both gearing AND tachometer give the correct instrument reading in this case ?

That’s what I thought, I’ve read several posts on mainly the US site about this and they state you only need cam, drive gear and tacho.

57
CB500/550 / Re: What would cause this camshaft damage?
« on: October 22, 2023, 08:29:17 PM »
I have the 650 drive gear and a 650 tacho so hopefully all good to go.

58
CB500/550 / Re: What would cause this camshaft damage?
« on: October 22, 2023, 06:23:49 PM »
Forgot to say, the bike has 16500 miles supposedly from new. The rest of the engine looks perfect, there are no ridges on the inside of the barrels.

59
CB500/550 / Re: What would cause this camshaft damage?
« on: October 22, 2023, 06:21:58 PM »
Luckily I already have a replacement cam to go in. I’m going to stick a CB650 cam in, supposed to be a good mod for a little bit more power.

60
CB500/550 / What would cause this camshaft damage?
« on: October 22, 2023, 05:46:32 PM »
Engine was running perfectly, I’ve only stripped the top end due to oil leaks.

Found damage to most of the lobes on the cam. There is no damage to the rest of the cam where it sits in the head and no damage to the rockers.
Also found this tiny disk of metal, about 2mm thick by 5mm diameter. Don’t think it’s part of the engine.


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