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Author Topic: 1971 CB500K0 Resto 3/71 VIN 1000896  (Read 48654 times)

Offline Rozabikes Tim

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #45 on: December 12, 2015, 07:43:45 AM »
Seems expensive when you consider raw material costs unless you have access to them already / needing a lot? Or is it simply far superior to off the peg stuff
Being of Yorkshire extraction I'm sure you will have considered the economy of the process!:-P;-)

Tim

Tim
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Offline AshimotoK0

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #46 on: December 12, 2015, 07:53:19 AM »
Quote from: rozabikes on December 12, 2015, 07:43:45 AM
Seems expensive when you consider raw material costs unless you have access to them already / needing a lot? Or is it simply far superior to off the peg stuff
Being of Yorkshire extraction I'm sure you will have considered the economy of the process!:-P;-)

Tim

Tim

Hmm  .. it is expensive but it's for 500ml of the stuff...plus I have a trade account and delivery is free.  Compare this with how many tubes of Araldite in there and cost in B&Q. Plus it's industrial strength stuff NOT Araldite and it is the dogs as far as bonding is concerned  you can use it all over the place. Been using it for over 30 years in my job.  If anybody want's a bit for a side panel repair I will gladly donate a bit plus postage. The other thing is ..how much for a replacement panel plus dreaded postage? Dread to think how much money I have spent in the last 7 years of restoration on delivery charges !!
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline royhall

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #47 on: December 12, 2015, 09:09:56 AM »
Only just spotted this thread Ash, don't know how I missed it. Took me a while to read through the first four pages but up to speed now.

My 350F forks were rusted at the top same as yours but the working area was perfect. I just cleaned the rust off and treated them with a rust eater/preventer (cant just remember what its called, will check) and put them back together. That's how Honda made them in the first place, chrome was very expensive back then.

The bearing retainers in the wheels are a real pig to get undone, your going to destroy the retainer whatever you do. If you check my 350F thread it shows on there how I got them out. It was basically 3 days of heating them up and blasting with PlusGas whilst still hot, then soaking them again after it cooled. It more or less went on its own after that. But it 'picked up' on its way out, so it was back a bit forwards a bit for ages until it came free. It left the very fine threads in the hub damaged, these had to be cleaned up at the machine shop.

Will be following the thread with interest now I've found it.

Good luck with the build.
« Last Edit: December 12, 2015, 09:16:31 AM by royhall »
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Offline mickwinf

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #48 on: December 12, 2015, 10:30:51 AM »
If you damage it when you finally remove it I have a spare you can have
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Offline AshimotoK0

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #49 on: December 12, 2015, 12:04:56 PM »
Quote from: mickwinf on December 12, 2015, 10:30:51 AM
If you damage it when you finally remove it I have a spare you can have

Cheers Mick .. I will have another go Monday. Have another thought that I could mig weld the bar to the retainer  and at the same time get some real heat in there. Just got to be careful I don't melt the alloy though.

cheers Ash
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline matthewmosse

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #50 on: December 12, 2015, 01:12:34 PM »
Ahh, those rear retainers, mine didn't want to budge after an attack off a 180 amp mma welder to stick a steel bar on and then wd40 plus a cracking good bash off a club hammer. I think if it has to come off then mike might be right, slit it with a dremel. It might even be possible to re weld once removed if carefull and lucky.
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Got a 500/4 with rust and a sidecar and loadsa bits. nice and original and been round the clock

Offline royhall

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #51 on: December 12, 2015, 01:34:13 PM »
Brute force does not work on these retainers guys, you will just destroy the hub.

This is probably the only application that WD40 isn't good for. You need genuine PlusGas Easing Fluid along with heat and a huge pile of patience.

PlusGas is like a magic bullet to stuck mechanicals. Been using it for years, and its the best out there.

No I'm not selling it before anyone asks. ;D
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Current bikes:
TriBsa CCM 350 Twin
Honda CB350F in Candy Bacchus Olive
Honda CB750F2 in Candy Apple Red
Triumph Trident 660 in Black/White
Triumph T100C
Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline JamesH

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #52 on: December 12, 2015, 01:47:55 PM »
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Offline royhall

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #53 on: December 12, 2015, 02:00:58 PM »
Wow. I haven't seen it that cheap in years £3.18p each if you buy 12. Good find James. This is the stuff to use guys, and don't forget the cart load of patience.
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Current bikes:
TriBsa CCM 350 Twin
Honda CB350F in Candy Bacchus Olive
Honda CB750F2 in Candy Apple Red
Triumph Trident 660 in Black/White
Triumph T100C
Suzuki GS1000HC
Honda CB450K0 Black Bomber
Honda CB750K5 in Planet Blue Metallic (Current Project)

Offline AshimotoK0

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #54 on: December 12, 2015, 05:35:50 PM »
Yes I got that for releasing a pivot tube on my 750K0 centre stand ... ended up drilling it out what a b*st*rd of a job that was ... but not as bad as that retainer. Always did reckon plus gas was the best though .. my greeb mates at school (Royal Oilfied Crusader sports / 3TA etc).

 Did the welding damage the alloy at all Matt?
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline matthewmosse

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #55 on: December 12, 2015, 09:39:17 PM »
On mine I got away with it, was able to simply grind the welds back and re think my plans to re line the hub's drum brake so as to not have to disturb the bearings. Done quite a few miles since, sidecar outfit so not exactly light on the hub, seems to have held up to it.
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Got a 500/4 with rust and a sidecar and loadsa bits. nice and original and been round the clock

Offline Bryanj

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #56 on: December 13, 2015, 05:24:44 PM »
Ash, ring me tonight if you can Bryan
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Offline AshimotoK0

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #57 on: December 13, 2015, 11:09:14 PM »
Cheers Bryan .. will call.

Took a load of chrome to be stripped locally on Saturday morning (£40-> £45) for the lot.

Autojumble at Newark today very little Honda stuff .. got some really rare CB250K0 fork ears for a tenner  CB750 Tacho for a fiver plus 5L of PROPER   paint stripper for £20. AND a tin of PLUSGAS (£4) releasing fluid.

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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.

Offline UK Pete

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #58 on: December 14, 2015, 08:22:33 AM »
Good result ash
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Offline AshimotoK0

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Re: 1971 CB500K0 Resto 3/71 VIN 1000896
« Reply #59 on: December 14, 2015, 11:26:04 AM »
Quote from: Oddjob on December 14, 2015, 11:11:18 AM
Why is one of the exhaust collars different?

One is photoed upside down.. they are CB750 not 500
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“Alright friends, you have seen the heavy groups, now you will see morning maniac music. Believe me, yeah. It’s a new dawn.” Grace Slick, Woodstock '69 .. In the year of the Sandcast.
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