Author Topic: RM125, 250 or 400 fork yoke set...  (Read 192 times)

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Offline James P

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RM125, 250 or 400 fork yoke set...
« on: November 28, 2017, 03:45:25 PM »
Thanks to info from Leith C, I have discovered what I really want - a set of fork yokes as originally fitted to these RM models:

1978 RM125C
1978 and-a-half RM250C2
1978 RM400C

I could probably get away with just the top yoke, including the handlebar clamps and rubber mounting assemblies. However, I'm willing to also take the bottom yoke and steering column. All the original fasteners would be of advantage, but not necessarily essential. I'd prefer complete in good usable condition, but beggars can't be choosers, so let me know what you've got :) !

I did find a couple of reasonably-priced sets on Ebay in the USA, but the postage costs more than the parts (thanks no doubt to Ebay's "postage partner" Pitney Bowes - easy for the seller, costly for the buyer), so I'd prefer to treat those as a last resort.
I'm in Sydney, so could collect if close by. Otherwise, I'll pay whatever the postage costs.

Thanks & regards,
James

Offline bigk

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Re: RM125, 250 or 400 fork yoke set...
« Reply #1 on: November 28, 2017, 07:49:08 PM »
Will a,most certainly have some, but don't know how to identify. If you can let me know I'll have a look.
K

Offline LWC82PE

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Re: RM125, 250 or 400 fork yoke set...
« Reply #2 on: November 28, 2017, 09:05:46 PM »
Its pretty easy. 36mm fork holes and rubber mounted handlebar mounts. No other models have this clamp besides the 78 RM's





« Last Edit: November 28, 2017, 09:07:29 PM by LWC82PE »
Wanted - 1978 TS185 frame
Orange Don Vesco/MS/Windsor tank
ADB Mags (vol 2 no.2) nov/dec 77& jan/feb 78 (vol2 no.3)

Offline James P

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Re: RM125, 250 or 400 fork yoke set...
« Reply #3 on: November 28, 2017, 09:30:27 PM »
Thanks K (& L for the photos!) - I'll await your further advice.

Regards,
James

Offline bigk

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Re: RM125, 250 or 400 fork yoke set...
« Reply #4 on: November 30, 2017, 08:34:09 AM »
No luck on '78 top clamp. I have earlier, 36mm with fixed upright bar mounts or later, 36mm with fixed layback bar mounts if they are of any use?
Cheers,
K

Offline James P

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Re: RM125, 250 or 400 fork yoke set...
« Reply #5 on: November 30, 2017, 04:15:42 PM »
Thanks for looking K. The later 36mm yoke with fixed laid-back handlebar mounts may be of use - do you know what bike it originally came from? If possible, could you please measure the following dimensions:

a) the distance between fork centres
b) the offset (the perpendicular distance from the centre of the steering column to a straight line between the fork centres)
c) the inside diameter of the hole for the steering column

Does this later 36mm top yoke have a matching bottom yoke (with or without steering column)?

I am following up a number of leads at this stage (with varying amounts of promise), but nothing is definite so far. Therefore, any assistance will be gratefully received 8) .

Thanks again & regards,
James

Offline dmcoz

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Re: RM125, 250 or 400 fork yoke set...
« Reply #6 on: December 04, 2017, 08:59:25 PM »
I have a set if you still need them $100 plus post.
cheers don

Offline James P

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Re: RM125, 250 or 400 fork yoke set...
« Reply #7 on: December 04, 2017, 10:34:34 PM »
I have a set if you still need them $100 plus post.
cheers don

Thanks for your offer Don - PM sent.

Regards,
James