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Twinshockandy

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Posts posted by Twinshockandy
 
 
  1. Cracking event...............walked the sections on the Sat........hail, thunder and lightening to make sure I didn't get too warm.........:lol::lol:, just getting to sections would be classed in the 'expert' ratings down here...........:o  going to get my finger out, prepare Mont for rocks, (better bash plate etc) and hope to get an entry for next year...........SWM Edition.

    • Thanks 1
  2. Here are my three...........

    Firstly, 1976 Malcolm Rathmell Replica cota 348

    next 1978 cota 247

    lastly cota 123 - work in progress.....(172 head, 21" front wheel/tyre and 18" rear)

     

    2a_(cota_348_as_brought).jpg

    4b_(cota_247_as_brought).jpg

    1b_(123_cota_as_brought).jpg

    • Like 4
  3. 12 hours ago, feetupfun said:

    Thanks Rod. Excellent photo. So did they achieve a narrower bike by doing that? I remember one of the selling points of the Sherpa T was how skinny it was at the rear end of the tank. Another thought was maybe they were trying to make it quieter. I see there are pipes on the inlet to the air filter. Maybe the main chamber of the exhaust was bigger than earlier 247s

    So given that this picture shows a late model 247.........I'm confused re the swing arm and it's chain oiler, I believed this item to have only been fitted to early 247's.............(ok as swing arms are same length etc can see it could have gained it during its life, - and what a good idea they were imo)

  4. 1 minute ago, feetupfun said:

    Slide jamming can sometimes occur with the flange mounted Mk 1 AMAL because the bore for the throttle slide can remain distorted if the mounting flange nuts have been overtightened at some point. The best way to fix it is to resleeve the slide bore, but a quick fix is to remove the high spots

    Understood, and thanks.

  5. 15 hours ago, feetupfun said:

    Very nice-looking 247. They do have very beautiful styling.

    The air filter casing usually fits up close to the underside of the seat and has a hose with a 90 degree bend. I'm sure yours will work fine the way it is and only mentioned it in case things like that are important to you.

    I see it has a MK1 AMAL carby. Beware of the throttle slide sticking at the top of its travel.

    Thanks for pointer, must admit to thinking it was at a funny angle.

    At present going around it just sussing out things to be done.............there is no chain tensioner fitted for example, where as I'm pretty sure originaly it would have had one (and there is a bracket halfway along swing arm which I guess is its location)

     

    Re Mk1 Amal, is this a known fault with this model carb ? - and if so, how do users get around it, (yes I know there are other carbs out there often fitted...which is obviously an option if needed)

  6. 9 hours ago, feetupfun said:

    The 247 is a model that went for many years with the same round fork sliders so it wouldn't matter if it was a 1972 247 or a 1978 247, they would be the same part. The word "Montesa" wraps around the curve nicely with fairly small letters.

    348 has "M" probably because the square sliders that were introduced for the 348 in 1976 had limited space to fit writing (it wouldn't be visible as a complete word from any angle if it had to wrap around two corners, and the characters would be too small to see properly if the whole word was on one face).

    The replacement model for the 247 (the 248) shared the square slider design with the 348 and 349.

    Thanks for that..........

  7. On both my cota 123 and 348  there is the 'embossed' M on both lower fork legs, on my newly acquired cota 247 'montesa' is 'embossed'.......348 is 1976 Malcolm Rathmell rep, 123 is also around mid 70's,...........and the 247 is 1978.

    Anyone know reason for change..........?

  8. On ‎15‎/‎01‎/‎2018 at 3:45 PM, neils on wheels said:

    is this it?

    ktm_trials_bike.jpg

    They've been not moving forward with this one for about four decades.

     

    Well with the upsurge of Twinshock trials events being held almost nationwide, now......it could well sell.  I'd certainly seriously consider one.

  9. Not just green, it seems............I was offered a very faded Gold/Yellow coloured , metal tank under cover 123 cota a little while ago; twas a mini time warp piece, still on its orig Pirelli 20" ft and 17"r tyres.

    Stupidly I walked away and didn't buy it................

  10. 16 hours ago, feetupfun said:

    I'm wondering why you are limiting so much your choice of what bike to ride

    I'm not............I've already got a cota 123 and 348, (also a 315r) want to stay Montesa, as that's where the depth of my (very limited) knowledge lies. + Ossa's and Bultaco's kickstarts are on 'wrong side' for me (knackered left knee)...........

    • Like 2
  11. 2 hours ago, Radders said:

    Hi twinshockandy, I'm not quite as old as you (41) but am returning to trials after almost 20 out (not 30) so welcome back....what do you think of the montesa? I got the 2005 4rt, bit different to the beta techno i had in 1999

    Hi Radders, 315r is up for sale, as its not for me ! Lovely bike and all that, far too advanced for me.  Quite happy to stay twinshock (s), gotta go with whats comfy and instils confidence, I guess.  (Still going to be crap, though........:lol:)

  12. Hi there, 50 something returnee to the feet up game, (last time over 30 years ago with a Golner kt250 ) jumped straight in and brought a '97 315r Montesa/Honda...Umm eeek !  No no no......whilst that's still sat in garage, have returned to sanity, (and able to touch the ground) with a brace of twinshock Montesa cota's, a 123 and a 348 Malcolm Rathmell rep.

    • Like 1
 
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