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Selector fork repair.

Clutch, Transmission, Drive Chain, Sprockets
Bilmer
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Joined: Mon Apr 08, 2019 2:10 pm
Location: Surrey UK.

Selector fork repair.

Post by Bilmer » Tue Apr 09, 2019 7:51 am

Hi all,I am Tony a new member from the UK, I am restoring a 64 CB72 gearbox with all the usual faults, selector drum stop plate fitted on the bottom, 14mm bush worn, knock pins missing from both kick shaft bushes and badly worn selectors. I have put an add in the wanted section hopeing someone in the UK may have some but if all else fails has anyone any experience of building up the worn areas with Stellite and grinding back to size. ts.

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G-Man
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Re: Selector fork repair.

Post by G-Man » Wed Apr 10, 2019 1:45 am

Hi Tony

Sounds like you have a fun project. Give me a couple of days and I might be able to find you a couple of decent forks. I have some stellite rods, too!

PM me if I haven't got to you by Monday....

G
Bilmer wrote:Hi all,I am Tony a new member from the UK, I am restoring a 64 CB72 gearbox with all the usual faults, selector drum stop plate fitted on the bottom, 14mm bush worn, knock pins missing from both kick shaft bushes and badly worn selectors. I have put an add in the wanted section hopeing someone in the UK may have some but if all else fails has anyone any experience of building up the worn areas with Stellite and grinding back to size. ts.
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

Bilmer
honda305.com Member
Posts: 6
Joined: Mon Apr 08, 2019 2:10 pm
Location: Surrey UK.

Post by Bilmer » Wed Apr 10, 2019 1:23 pm

Thanks G-Man, knew it wasn't going to be good when i took the oil spinner cover off and the wire clip that keeps the front of the spinner on was out and hanging on the shaft. DJM tells me he also has some but i will still be interested if you can find some.
ts.

Bilmer
honda305.com Member
Posts: 6
Joined: Mon Apr 08, 2019 2:10 pm
Location: Surrey UK.

Post by Bilmer » Wed Apr 10, 2019 1:24 pm

Thanks G-Man, knew it wasn't going to be good when i took the oil spinner cover off and the wire clip that keeps the front of the spinner on was out and hanging on the shaft. DJM tells me he also has some but i will still be interested if you can find some.
ts.

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G-Man
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Joined: Wed Mar 25, 2009 5:17 pm
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Post by G-Man » Fri Apr 12, 2019 12:49 am

Yes you form a picture very quickly of how well something has been looked after. This is one of mine.....

Image

I think that a broken fork stopped play and th ebike was thrown into a leaky shed.

Image

The only usable things from that engine was the cases and dipstick... :-)

Image

I was away all day yesterday but I'll have a look today.

G
Bilmer wrote:Thanks G-Man, knew it wasn't going to be good when i took the oil spinner cover off and the wire clip that keeps the front of the spinner on was out and hanging on the shaft. DJM tells me he also has some but i will still be interested if you can find some.
ts.
'60 C77 '60 C72 '62 C72 Dream '63 CL72
'61 CB72 '64 CB77 '65 CB160
'66 Matchless 350 '67 CL77
'67 S90 '77 CB400F

Geoff Hastings
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Location: Epsom, Surrey

Post by Geoff Hastings » Sat Apr 13, 2019 3:28 am

Makes you want to weep, the engine I'm rebuilding is low mileage standard bores but left outside with side cases removed. Main and gear box bearings seized solid.

Bilmer
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Posts: 6
Joined: Mon Apr 08, 2019 2:10 pm
Location: Surrey UK.

Post by Bilmer » Sat Apr 13, 2019 2:12 pm

Glad to say mines not that bad just put together by someone who didn't know what they were doing, how anyone can miss out the knock pins on the kickstart shaft bearings is beyond me they must have wondered what the holes were for.Apart from the 14mm bush and the selector forks everything looks ok mind you i still have to strip down the top end so god knows what i will find, wish me luck.
ts

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