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71
CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by K2-K6 on May 08, 2024, 12:25:00 PM »
It's 23C "up the smoke" in the great metropolis today.

Sweltering darn sarf  ;D
72
What is it? / Re: Mysterious Exhaust Teeth
« Last post by McCabe-Thiele (Ted) on May 08, 2024, 12:21:12 PM »
Or a bean counter. ;D ;D ;D
73
Out & About / Re: SOHC meet in Scotland
« Last post by Honda enthusiast on May 08, 2024, 12:20:37 PM »
Gareth

Is there any chance it could be on Saturday 29th as I can make it there and back in a day, on Sundays the ferries are ten and four making it necessary to stay over two nights to be there...if that's convenient with the others of course
74
CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by McCabe-Thiele (Ted) on May 08, 2024, 12:20:07 PM »
Quote from: Bryanj on May 08, 2024, 10:20:53 AM
Ted, you have just completed something a younger mechanic would fail at mate.
By the way the chain whilst new was not an expensive one

It's marked DID on the links so I'm happy with it to go back on - it's not going to see much mileage in my ownership.

My target date was to have it running for my birthday - I've missed that by two days already. As I have my 400 to use I'm in no hurry to get it finished this month - it's still not very warm in my garage either.

75
CB500/550 / Re: 1975 CB500K1 crank rotation resistance
« Last post by McCabe-Thiele (Ted) on May 08, 2024, 12:13:50 PM »
That's a real pain - at least you have found the issue.
76
What is it? / Re: Mysterious Exhaust Teeth
« Last post by K2-K6 on May 08, 2024, 12:13:21 PM »
Has a previous custodian filed teeth in them to id for each cylinder ?

Perhaps owned by a dentist previously  ;D
77
CB500/550 / Re: 1975 CB500K1 crank rotation resistance
« Last post by Bryanj on May 08, 2024, 11:48:21 AM »
Sounds like somebody didnt find the hidden bolt(s)
I may have some cases with crank, not sure
78
What is it? / Mysterious Exhaust Teeth
« Last post by Athame57 on May 08, 2024, 11:32:45 AM »
On four of my eight exhaust collars (CB400F) I have these teeth  ;D in the past I plain put them in the way they came out and thought nothing of it, however in recent months (many) it hasn't been me who put the exhaust system back on so I went to the CMSL site to see if that would help but they didn't exist there. By now I'm taking a closer look at them and they aren't exactly uniform, like my own damn teeth even. It must be some kind of damage or mod by a PO. Can anyone shine any light on this
79
CB500/550 / Re: 1975 CB500K1 crank rotation resistance
« Last post by martin_uk on May 08, 2024, 11:06:16 AM »
Its apart again.

Checked crankcases for distortion and found that approx 6 thou out at no.1 main journal housing face of upper case.

There is a lever mark on the inside face of alternator rotor and had not been removed by PO.

It came off fine with threaded bar screwed in to end.

Wondering if PO levered a bit too hard on case.

I am also going to check the mains run out with V blocks and surface plate.

Any experience of crankcase face distortion?
80
CB500/550 / Re: Rear wheel rotation stiffens up when tightening axle problem.
« Last post by Bryanj on May 08, 2024, 10:20:53 AM »
Ted, you have just completed something a younger mechanic would fail at mate.
By the way the chain whilst new was not an expensive one
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