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Messages - heliwilly
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46
« on: September 12, 2019, 07:00:25 AM »
Why not get a decent file and flat off the underside?
47
« on: September 06, 2019, 05:40:13 PM »
It would appear that the cylinder head flanged nuts do have 2.25mm washers underneath them, so that is the way I will go.
I found this out by taking the head off a 550 engine that had been left in the open with no plugs in.
Now the head is off the pistons in the barrels are soaking in paraffin. Hopefully it may eventually creep past the pistons and rings.
A 2ft breaker bar wouldn't move the crank. Bill W.
48
« on: September 05, 2019, 06:16:17 PM »
Thanks for that. I too have always torqued up dry, but wondered why the 3 stage suggested by some. to me it seems a better way of doing it given the time. Thanks Bill W.
49
« on: September 05, 2019, 04:01:21 PM »
Does anyone have an answer to my original question?
Thanks
Bill W.
50
« on: September 05, 2019, 02:05:15 PM »
Contributors are talking about the figures in the "Manual". Which Manual are they referring to? All I have is the Haynes one which is limited.
This is the first CB550 that I have rebuilt and it was a non-runner that had been taken apart previously. I am coming across things that don't seem as they should be. The cylinder head nuts are a typical example. Are they supposed to have 2.25 mm washers under the head nuts? 7 of the nuts have 2.25 mm washers with the remainder having a selection of different thicknesses.
All help would be gratefully received.
Bill W.
51
« on: September 05, 2019, 11:31:00 AM »
I have seen two methods of tightening the cylinder head.
1/ Tighten to 16ftlb, leave 24 hrs, retighten to 16ftlb leave 24hrs, lastly check and tighten to 16ftlb.
2/ Tighten to 14ftlb leave 24 hrs, tighten to 15ftlb leave 24 hrs, finally tighten to 16ftlb
Which, if either, is correct. TIA
Bill W.
52
« on: September 02, 2019, 05:48:56 PM »
Thanks Julie,
I had put them in that way, but I thought I would check before I got round to putting it all back together.
Thanks
Bill.
53
« on: September 02, 2019, 05:10:53 PM »
I was given a set of David Silver piston rings comprising of a chrome one, a black one and the set of 3 for the oil control ring.
What ring goes at the top? I have sussed out the 'R' on the top surface of the rings denoting "This side up"
Not sure which way round the top 2 go. Currently have the black ring second one down the chrome one at the top.
Just waiting for a cam chain tensioner to arrive before I slot it all together, so thought I'd double check.
Cheers
Bill W.
54
« on: August 12, 2019, 09:51:05 AM »
The only input I can put into this is that as all 4 spark plugs fire at the same time, is it possible that one cylinder is over fuelling and has an exhaust valve open as the spark occurs???
55
« on: August 07, 2019, 07:43:10 PM »
When I bought the CB550F2 I got a full set of gaskets and a set of oil seals for the engine.
After spending the best part of a week flushing out the oilways in the crankcase halves and the head then air blowing them out and once again flushing out with paraffin in a blowgun and finally a blow through and a dry.
Today I started the rebuild. I replaced all the bottom crank main shells. Before I put the crank back in, I broke open the pack of oil seals. I could find 2 that fitted the crank, but the alternator end didn't have the lip on, to fit in the groove in the crankcase and the one I took off the points end had a metal band on the inside, the new one didn't. They both had a circular spring, that kept the seal in close contact with the crank.
I would really like to replace like with like. Who has a supplier that will supply the correct seals. David Silver springs to mind, but other suppliers may also have them. Rebuild on hold before I really started. Cheers Bill W.
56
« on: July 03, 2019, 12:19:52 PM »
Cheers Trigger, I wasn't sure if it would fit as they are a similar machine. Bill W.
57
« on: July 03, 2019, 11:46:44 AM »
Florence,
I've got this one off a CB 550, approx 1974.
Bill W
58
« on: June 29, 2019, 05:14:25 PM »
Picked up my engine head, barrels and crankcase halves up from AJ's Vapour Blasting in Hull. They have done an excellent job on them
59
« on: June 27, 2019, 07:25:26 AM »
Hi Seabeowner,
Just checked a second engine I am sorting. That has the tacho housing missing. How much for yours please. How do you want paying?
PM me details.
Bill W.
60
« on: June 26, 2019, 10:35:58 PM »
Just checking another source, will let you know. Cheers Bill W.
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