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  1. Started by Tarmop,

    Hello peeps, Wondering who's got some knowledge to share... took apart the forks to change seals and fill on my new to me and new to be running again SWM 320 first off one tube had the white end bit inside and the other had it outside (see pic) I assume they should both be inside after looking and seeing damage on the white plastic end bit (may still work) Not sure if it was assebled wrong or slipped past the snap ring somehow. next I noticed the springs are not the same length..... does anyone know how I should proceed? thanks lots Tarik

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    • 10 replies
    • 3k views
  2. Started by turps,

    I am getting close finishing the rebuild of my TL320 and have just found out that the coil is no good. After a quick look through the net the only prices that I could find were way too expensive, does anyone know if coils from any other bikes will do the same job. TY coils are less than

    • 10 replies
    • 2.9k views
  3. Started by turps,

    HI can anyone tell me where to position the disc valve in relation to TDC or BDC on a 1980 tl320. I cant see any marks on the engine and as I received the engine in several boxes I am in the dark. I think that the disc should start opening just as the crank goes past BDC but any advice would be appreciated. Thanks

  4. Started by motovintage,

    I am going to look at a swm trials next week, the owner thinks it's a 1981 240, supposed to be all there except the seat, rear shocks, and kick lever, and in decent condition otherwise, what should I be looking for? are these good bikes? I have never rode a swm, I remember when Bernie and Martin were riding them in the 80's, I will probably buy it if the price isn't too high, how is parts availability for them? is there a model identification guide available?

    • 10 replies
    • 9.9k views
  5. Started by b40rt,

    What is considered the best set up for these forks ? At present running 220ml of TQF (approx7w)and works OK, but open to suggestions. I weigh about 13 stones. The fork caps have a screw at the bottom, presumably to release pressure but seized solid at present, don't remember them having this, is it a modification ? Thanks Ross

    • 10 replies
    • 5.5k views
  6. Started by fourex,

    Hi All, As above, would like a pic or two if possible on how this plate should look with regard to things like size of the digits and is Engine 348.5cc or 348.5 cm\3, also is weight 89kg or 89KG,just stuff like that. Reason I ask is that my Jumbo that I bought a few years ago is missing the plate on the headstock and I have recently purchased a blank plate from Martin in the UK, just want to populate this plate as accurately as possible when I eventually blast and repaint the frame (Suburu WRX Blue from years ago is close I believe). If you can help with a pic just tape over your frame/engine numbers if you don't want to divulge. Thanks. Pic of my headstock…

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    • 10 replies
    • 2.8k views
  7. Started by robbiesty175,

    Pulled the clutch cover off my Rotax 240 motor (tucked into an Armstrong/Can-Am frame, so thanks for allowing me into the SWM family!) due to the clutch sticking, even after warm. The prior owner ran some pretty thick gear oil, and the motor sat many years unloved. I prefer ATF, but things are still sticky. Discovered five friction plates and six steel plates. Should there be another friction plate? I am in the process of cleaning off the gaps in the plates, as I found some good material on this procedure elsewhere. I've attached the pdf. Appreciate any and all help. Thanks! Clutch_Fix-1.pdf

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    • 10 replies
    • 5.9k views
  8. Started by iconic558,

    All seems fine operation-wise but has some grooved shoes that seem to get mixed reviews....anyone carre to comment on their use in SWM's. I've deglazed the shoes and the hub but no better.

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    • 10 replies
    • 2.7k views
  9. Started by daved444,

    Hi Guys, I thought you might like to see my recently finished project. This started off as a box of bits on ebay for not much money at all and now we have what could be a reasonably competitive bike that stands me at less than a third of the price I recently sold my BSA trials bike for. Clearly this is why twinshock trials is becoming more popular! For more photos of the build check out www.classicrider444.com

    • 10 replies
    • 7.3k views
  10. Started by metisse,

    I have been searching for a while for a good quality steel SWM/ Gori tank for a red and white Gunaco. It appears they are almost unobtainable in good condition so... There seems to be a few of the later yellow acerbis plastic tanks around so could someone tell me if its at all possible to repaint these to a good durable standard or am I going to have to keep looking. On this note I have come across a firm that will make new tanks to order if they have enough to make it worthwhile around 8/10 at a price of around 300 stg anybody fancy making up an order. Thanks

  11. Started by brownie001,

    After moving the pegs down and back, the next hurdle was the brake pedal. It was quite a mind boggle to fabricate a lever that could be covered whilst still being planted on the footpeg. What made ir even more of a challange was the lack of space available due to having a swingarm from a TX 300 Aprilia fitted. Anyway, after a few tries and mods it now works 'Like' the original and I'm happy.

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    • 9 replies
    • 4.1k views
  12. Started by ironraptor04,

    Hey guys what is up. As you can probably tell I am new here. I just picked up a 1973 SWM RS250 MC and i dont know a thing about them. But i am hoping you guys can help. The bike is in really ruff shape right now. I have been told that it runs but it doesnt have a kicker and as of right now he thought the coil or the plug were bad. Were do you guys get parts for these bikes. I would like to try and restore to as close to original as i can. down to frame color( I think it was orange). so if you guys could help me out here. I am mechanicaly inclined and have a background in bikes . I just dont know anything about this bike. Thanks again any help will be greatly apreciated.…

    • 9 replies
    • 5.8k views
  13. Started by biffsgasgas,

    I have never seen an SWM in an Ahrma event here in the states. My question is are they legal and if not why? Thanks for the help. --Biff

    • 9 replies
    • 7.5k views
  14. Started by Tarmop,

    Hello New Friends! I am hoping someone can answer some q's for me.. I bought a 320 with no spark. they had the wrong stator coil hooked up to the points first off so I changed it. have spent about 5 hrs so far and not sure about afew things. First. the points are new, I am using a new condenser and have tried 2 coils. I found a thread someone posted about hooking 2 D size batteries together to get 3volts to test with and I was able to get spark but found that the coil will make spark with voltage applied to it. I also was able to get spark from the coil through the points while hand turning the flywheel a few times, thought I…

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    • 9 replies
    • 2.8k views
  15. Started by turps,

    Can anyone help me please, I have just bought an 81 SWM 320. The problem is that the engine and gearbox came in a vaiety of boxes and many different parts. As I have never stripped one of these before I am not sure how to put it back together, has anyone got some exploded diagrams, perhaps on cd-rom that I could use this would be very helpful thanks. James

  16. Started by mudyman,

    Hi Guys, has anyone knowledge about the early seats on the first gunaco bikes ? My TL 320 Gunaco has a thickly polsterd single seat with SWM Logo in it. I´ve looked for pictures etc. of other ones and they all have the new sort which is much thiner and harder. The bike has following details that can still be read TL / 111179 / 00007 the rest has gone with the years but it must be a quite early one as it has 34 mm forks before they changed to 35 mm. Looking at a picture of the long ride version it seems this had a simular thick seat but was just a bit longer.

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    • 9 replies
    • 3k views
  17. Started by woody,

    Has anyone successfully managed to clean up a plastic tank to its original yellow. The tank has gone a darker yellow over the years, usually due to UV from sunlight, and the replacement new plastics are significantly lighter. Just wondered if there is a tried and proven method for restoring the original colour without making a mess of it. The plastic is baby bum smooth at the moment and I don't want to try any method that will rough it up.

    • 9 replies
    • 4.8k views
  18. Started by Woolfie,

    Newbie here! I've just bought back a 320TL I had 25 years ago and as well as having a bit of fun on it I'm hoping to restore it back to something like it should be (I've already ordered a list of stuff from Martin for a kick off). The main question I have just now is frame colour. The bike is 1978 and was registered with the DVLA in November that year. The frame and engine seem to have been spray painted a very dark brown that looks like black at first glance but underneath is what I assume to be the original black. There is absolutely no hint of there ever being red on the frame. I have seen images online of a very early SWM 320TL brochure where the bike …

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    • 9 replies
    • 3k views
  19. Started by b40rt,

    (No, not that sort) Any information on the modifications that quite a few SWM's seem to sport ? Are they all home grown, or is someone making them. What are the advantages ? The following picture is from the "CampoCanavese2012" (thanks Mike) Ross (Dannilo Galeazzi's bike)

    • 9 replies
    • 4.7k views
  20. Started by turbohead,

    Dear all, I have just found an Aprilia TXR312 from ’88, used for competition for the first 5 years or so, then stored (or forgotten) for most of the 25 years until today. Is that Rotax engine an easy transplant to an early (1981) SWM 320? If so, is such a transplant OK and within the spirit of modern twinshock rules, like electronic ignition, modern fork internals and so on…? Or should this Aprilia better be stored for another couple of years, waiting for the hype of early air-cooled monoshock bikes …? Please, tell me what you think of all this! BTW, after draining the tank and transmission, giving it a little fresh pre-mix and transmission oil, the …

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    • 9 replies
    • 4.9k views

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