Author Topic: Steering Full Lock buffer rubbers - fitted into the stops on the forks  (Read 896 times)

Offline 400 Cafe Racer

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Hi Guys,
Hope you are all keeping well. I'm just sorting through a few little jobs to do on the 400 Four during the bad weather.

Having noticed the forks on full lock are getting close to the tank, it prompted me to check the the "lock stops" on the forks. The rubber pads are quite badly worn/deformed and would benefit from replacement and give better clearance from the tank.

They do not appear to be available on the DS parts list and wondered if anyone has a source of supply please.  ;)

Cheers

Dennis
Retired Automotive Engineer   MIMI, MITRE, DMS, MCMI.

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #1 on: October 08, 2022, 08:23:03 PM »
Didn't realise that there were any pads thought they are metal to metal?
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Offline Bryanj

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #2 on: October 08, 2022, 08:23:23 PM »
Me 3

Offline Laverdaroo

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #3 on: October 08, 2022, 11:44:40 PM »
Me four, didnt know there was any, is that a standard thing then? I've never seen that on any bike except my old LC that I put some hydraulic pipe sections on the stops on the vbottom yolk so the tank slapspers were retrievable as and when they occured.

Is that a honda thing then?
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Offline Nurse Julie

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #4 on: October 09, 2022, 08:02:31 AM »
Me 5.
LINK TO MY EBAY PAGE. As many of you know already, I give 10% discount and do post at cost to forum members if you PM me direct.
https://www.ebay.co.uk/sch/julies9731/m.html?item=165142672569&rt=nc&_trksid=p2047675.m3561.l2562

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Offline kevski

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #5 on: October 09, 2022, 08:08:37 AM »
Me 6, had this on another bike, the stops were thick enough to drill and put m5 cap screws in to stop the problem.

Offline 400 Cafe Racer

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #6 on: October 09, 2022, 03:22:17 PM »
WELL GUYs,

Mystery solved. ;D

On detailed close inspection this looks like a well executed refinement by the PO. Well executed and to Honda standard I recon.

The two rubber buffer pads appear to have been shaped to precise 10mm square about 3mm thick. They look as though they are made from something like a section of tyre wall or similar, due to the strong laminated layers. They are bonded to the stop lugs of the fork steering casting by a high strength adhesive. They are definitely effective in giving a soft sprung stop to the full lock positions.

It may be that he simply wanted to avoid hard metallic contact between the surfaces on full lock for whatever reason.?

Food for thought ? ;)

thanks for your input guys.

Cheers, Dennis
Retired Automotive Engineer   MIMI, MITRE, DMS, MCMI.

Latest    - 1979 CB400/4  Cafe Racer - Parakeet Yellow
              - 1939 Velocette GTP 250 twin port Two stroke

1988-91 - Lamborghini Countach QV replica design and
                 build - 3000hr spare time project

In 1956 at 12yrs old and dirt tracking
              - 1937 Rudge 500 4 valve
              - 1940s Royal Enfield 225sv
              -  Ex WD Norton 500sv

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #7 on: October 09, 2022, 03:27:23 PM »
Some cars use a metal contact plate with a bonded rubber pad as lock stops.
Not a daft idea to cushion the fork lock  stops.
Honda CB500 K1 (new pit dug out ready)
Honda CB400 four super sport (first money pit)
Link to my full restoration http://www.sohc.co.uk/index.php/topic,23291.0.html

Offline Laverdaroo

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #8 on: October 09, 2022, 05:04:15 PM »
Thought that might be the case, I only did it to stop the smack when the Yam got a bit lively, Its a mod a few of my pals did back in the day and worked a treat providing you didnt put a 'gert lump' on there. Thankfully I didnt try hard enough to get a full stop to stop occurance but my pal on his KR1-s swore by them but at the end of the day, the KR1-s was a bugger for shaking its head without the right set up.
Didnt thinks it was a standard thing.

Top Sleuthing (if that's how you spelll it?) ;D
Mornings are the invention of the devil!

1977 CB550F (current money pit!!)
2002 VFR800 VTEC (The Beloved)
1977 CB400F (the last money pit!)
1998 Ducati 748\853 conversion(sold :()
1980 ish CB750KZ in a billion bits (need to get rid, anybody want one?))

Offline Bryanj

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #9 on: October 09, 2022, 05:35:51 PM »
Probably had clipons or ace bars fitted and did it stop the bars hitting tank

Offline Laverdaroo

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #10 on: October 09, 2022, 05:44:11 PM »
If it does stop the tank getting touched, why are the bars hitting anyway, they shouldnt. Are they canted back a bit reducing the angle
Mornings are the invention of the devil!

1977 CB550F (current money pit!!)
2002 VFR800 VTEC (The Beloved)
1977 CB400F (the last money pit!)
1998 Ducati 748\853 conversion(sold :()
1980 ish CB750KZ in a billion bits (need to get rid, anybody want one?))

Offline Bryanj

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #11 on: October 09, 2022, 05:57:37 PM »
If you fit genuine bars without the marks lined up the switches will hit the tank, there is a punch mark on the bars that has to be in line with the clamp joint

Offline Laverdaroo

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #12 on: October 09, 2022, 06:18:52 PM »
Hence the ask Bryan.......
Mornings are the invention of the devil!

1977 CB550F (current money pit!!)
2002 VFR800 VTEC (The Beloved)
1977 CB400F (the last money pit!)
1998 Ducati 748\853 conversion(sold :()
1980 ish CB750KZ in a billion bits (need to get rid, anybody want one?))

Offline Bryanj

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Re: Steering Full Lock buffer rubbers - fitted into the stops on the forks
« Reply #13 on: October 09, 2022, 07:06:15 PM »
Dont learn if you dont ask mate, worth looking at the build and pdi guides in alladins cave to see what we had to put up with in dealers

 

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