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Author Topic: Cam Chain Adjuster  (Read 1336 times)

Offline andeks

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Cam Chain Adjuster
« on: June 11, 2017, 04:24:04 PM »
Hi all,

I am rebuilding my 400/4 engine after complete strip down, engine case clean up.
didn't notice on strip down but looking at cylinder head cam chain pivot I have discovered the housing has a nut welded between it and the bracket as attached photo.
Anyone any idea why, and if its ok to fit as is.
« Last Edit: June 11, 2017, 04:29:00 PM by andeks »
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Offline Bryanj

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Re: Cam Chain Adjuster
« Reply #1 on: June 11, 2017, 04:26:57 PM »
No picture so don't know
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Offline andeks

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Re: Cam Chain Adjuster
« Reply #2 on: June 11, 2017, 04:31:08 PM »
Sorry having trouble uploading !! >:(
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Offline andeks

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Re: Cam Chain Adjuster
« Reply #3 on: June 11, 2017, 05:01:10 PM »
This is it !! [ Guests cannot view attachments ]
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Offline mike the bike

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Re: Cam Chain Adjuster
« Reply #4 on: June 11, 2017, 05:45:13 PM »
Someone has bodged that by welding a nut between the cup and the plate in an attempt to increase the tension on the back slipper blade.   Best to bin it and add it to the David Silver order.
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Where's that 10mm socket got to?

Offline PatM

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Re: Cam Chain Adjuster
« Reply #5 on: June 11, 2017, 06:41:12 PM »
Horrendous!
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Offline Bryanj

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Re: Cam Chain Adjuster
« Reply #6 on: June 12, 2017, 07:32:26 AM »
Mike is right, i will lay odds that the horseshoe is siezed/damaged and the tensioner pad siezed/springs weak
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Offline adriangsmith

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Re: Cam Chain Adjuster
« Reply #7 on: June 12, 2017, 08:31:06 AM »
A horrible bodge.
mind you when dismanling the engine i am rebuilding i found my pivot floating loose!
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Triumph Thruxton 2004
Honda CB750F1 1976
Honda CB400F   1976 (current project)

Offline andeks

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Re: Cam Chain Adjuster
« Reply #8 on: June 12, 2017, 09:17:10 AM »
On further inspection I've noticed there is no pivot insert in the horseshoe so maybe it's been done to take up the slack with the blade just dropping in the empty cavity to save a strip down !
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Offline mike the bike

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Re: Cam Chain Adjuster
« Reply #9 on: June 12, 2017, 11:59:55 AM »
Oh, great idea.
To adjust the camchain just weld more nuts on.
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Where's that 10mm socket got to?

Online Rozabikes Tim

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Re: Cam Chain Adjuster
« Reply #10 on: June 12, 2017, 02:57:03 PM »
Maybe thats where Mr H is going wring in F1! ::)
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One day I'll have the time to restore it, not just talk and dream....
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