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Messages - PennoK3

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1
CB500/550 / Re: CB550 K3 Airbox Fittings
« on: January 22, 2024, 02:34:27 PM »
That would be great, many thanks.

2
CB500/550 / Re: CB550 K3 Airbox Fittings
« on: January 22, 2024, 10:16:44 AM »
Thanks all its Stay B I need then.   CMSNL have one for £14.00 which seemed reasonable (ish) but not when you add £15.00 postage!!!!!!

3
CB500/550 / CB550 K3 Airbox Fittings
« on: January 21, 2024, 05:51:45 PM »
I am very close to having all the bits I need to rebuild my airbox apart from the parts identified as Stay A and Stay B (threaded brackets for the airbox top).   I have one of them but I don't know if its A or B, is there a way to identify it specifically ?

4
CB500/550 / Re: Where does this bit go?
« on: January 21, 2021, 10:43:14 AM »
Mystery solved.   It was the spacer from the starter clutch, now back in its rightful place.   Thank goodness for the Parts book.

5
CB500/550 / Re: Where does this bit go?
« on: January 18, 2021, 05:33:13 PM »
Yes, I've got the thrust washer but this is 4mm wide.   Looking at pictures it looks exactly like the spacer in the starter clutch so I've decided to take the motor back out of the frame and take the sump off to check the primary shaft and starter clutch for peace of mind.

6
CB500/550 / Where does this bit go?
« on: January 18, 2021, 11:31:10 AM »
The nightmare after Christmas.   

Back to the K3 build now its warm enough to go back in the garage.  Assembled the clutch and along with the clutch components is a spacer 25mm ID, 4mm wide, 1.4mm thick.   I assumed this sat on the clutch shaft but doing a dry build it obviously doesn't.

Had a quick look in the parts book and the only spacer I can see that looks anything similar is 28112-323-000 spacer 25mm on the primary shaft.   I have no reason to believe it has been missed out of the engine build but any other possible location suggestions very welcome.

7
CB500/550 / Re: Valve Timing/Clearance setting
« on: December 19, 2020, 11:20:29 AM »
Sorted, just realised I was measuring TDC on No 2 piston Doh!!!!

8
CB500/550 / Valve Timing/Clearance setting
« on: December 19, 2020, 10:50:52 AM »
Morning All, following all the instructions to set valve clearances  but no matter how many times I rotate the crankshaft I can not get
No 1 Piston at TDC and T 1-4 timing mark to coincide, T 2-3 is always at the top?

Flummoxed, any advice gratefully received as ever.

9
CB500/550 / Re: Camshaft Refit
« on: December 01, 2020, 02:07:25 PM »
88 links which I believe is correct.

10
CB500/550 / Re: Camshaft Refit
« on: December 01, 2020, 01:57:55 PM »
Hi Julie, have updated the initial post but will count the links, that would be my worst nightmare  :'(

11
CB500/550 / Camshaft Refit
« on: December 01, 2020, 01:27:45 PM »
Hi guys, looking for salvation after a morning of despair.

CB550 engine build going steady, latest activity replacement of camshaft, primary chain seems very tight and after a struggle to align everything and fit it to the sprocket it is so tight I cant get the sprocket to seat on the camshaft.

Any thoughts experience more than welcome.

UPDATE:   Searched the forum and found a similar post.   Backed off the tensioner and with a bit of very gentle persuasion everything is now on and aligned albeit very tight.   If I now release the cam chain tensioner the centre screw is positioned with the slot vertical and will turn around 30 degrees before springing back.   Does this seem right?

12
CB500/550 / Re: Cylinder barrel seating
« on: November 19, 2020, 09:34:22 AM »
Thanks Brian 👍

13
CB500/550 / Re: Cylinder barrel seating
« on: November 18, 2020, 11:29:13 PM »
Thanks for the responses.

The restrictors are the right way up and all old seals have been removed.

The new O rings on the bottom of the cylinder liners are a good tight fit but slightly proud of the casting as are the oil seals on the restrictors.

The cylinder block doesn't hit a hard stop but sits about a millimetre or so above the crankcase.   I put the head on and softly tightened (if that makes sense) the first four nuts which closed the gap with no resistance.

Therefore I can only assume its the new O ring seals that are holding the barrel off.

14
CB500/550 / Re: Cylinder barrel seating
« on: November 18, 2020, 06:07:57 PM »
Yes the dowels are the correct orientation.

15
CB500/550 / Re: Cylinder barrel seating
« on: November 18, 2020, 03:18:18 PM »
Yes the O rings are seated but not flush.   I've just put the head on and squeezed up the centre nuts and it looks to be mating fine.

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