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General Trials Talk

General discussion on the sport of Observed Motorcycle Trials

  1. Started by Ross_Bremner,

    I'm after 2x front shocks for the mini trial. I cannot find them anywhere any pointers to where I could get these? Or do any other bikes use the same 32mm dia

    • 0 replies
    • 833 views
  2. Started by dickielumpkin,

    Hi I’ve got hold of a virtually unused Tx125 (2008) that’s been in storage. I want to convert it to a 225 either using a kit (S3?) or parts. Can anyone advise where I might get hold of the necessary bits? Many Thanks Andy

    • 1 reply
    • 954 views
  3. Started by freelander andy,

    where the best to get tiger cub crankshaft big end changed well can do it

  4. I've just popped a new air filter into my Sherco as part of its wash and brush up. The old one was pretty dreadful. It's my first time oiling and installing one. These bikes have a frame to mount the filter on, so I'm fairly confident I've done it correctly, but it's hard to be certain. Removal was a real pain as it's so small inside the airbox, in my frustration, I didn't note the orientation. I would like to be sure that I've installed it correctly. It's a Twin Air and there is a single seam at the top on my install (shown in pic). It's on the frame and clipped in. Looks OK, but I can't see the underside. Pic attached. Does this look right, with the…

    • 1 reply
    • 1.3k views
  5. I'll try to keep this short. Keihin PWK 28. Completed rebuild on carb, cleaned. Fitted after market idle and mixture adjusters. Also fitted inline fuel filter. Fitted new grips and levers. Fuel was present throughout starting procedure, no leaks as far as I can tell, manifold boots all seated. Play in cables correct at all angles of steering. Initial start with choke bike went to full throttle, did not respond to lanyard. Blipped throttle and bike then returned to high idle. Adjusted idle screw, bike idled normally but slow to return to idle after blip. Believe that will be mixture related. I think the after-market adjusters are slightly different specs…

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    • 12 replies
    • 2.8k views
  6. Started by Johnnygunn,

    Just bought my first trials bike, 2022 gasgas with 43 hours. I noticed a couple small drops of fuel in the back of my truck when unloading it after I bought it (petcock off). I worked on some balance in the garage, rode it about an hour, didn't notice any fuel dripping. While working on balance and hopping again in the garage recently (petcock off), I noticed a few more drops of fuel on the ground. Is this something I should address or is it the nature of the beast? I come from a motocross/enduro background. If I ever had a carb leaking fuel it was continuous and it was the float sticking 99% of the time. But it was many years since I owned a carb. Fuel injection an…

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    • 7 replies
    • 3k views
  7. Started by Ej77,

    Hi I’m new here and to trials riding so I’m sorry if I’m in the wrong place but I’ve gone and got myself a 1998 tx270 but had to rebuild the engine. Anyways I’ve managed to find a spare complete bottom end for spares but I'm unsure what bike it came out I asked the seller but they didn’t know so was wondering how you read the engine number

    • 0 replies
    • 1.2k views
  8. Hello all, After washing the bike I went to take the float bowl drain plug out to make sure no water had found its way in. The fuel inside had quite a lot of crud in it. There is no inline fuel filter on my bike and the fuel hose, whilst Sherco branded, wasn't clipped but was incredibly tight fitting. Had to cut it off. I guess I'd need a longer one for an inline filter anyway. Is this typical for a float bowl? The bike is only a year old. I am starting to think it's never been properly cleaned or maintained. Engine inlet manifold (correct name?) from carb was mucky and tight fitting, don't think it's ever been off. Original air filter was dry as a …

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    • 8 replies
    • 2.1k views
  9. Hello All, Has anyone had to replace the seal that sits behind the gear shifter lever ? If yes, where are they available ?

    • 2 replies
    • 968 views
  10. Hi all, I'm hoping someone can give me an idea of what the problem might be. Bike is a 2022 Sherco 250 Fajardo. Carb is Keihin. I bought it about a month ago as a good used example. I rode it for an hour, then stored it for around 4 weeks. No issues. Took it out today for a couple of hours. No mishaps, falls or anything unusual. Not sure if any leaks, but didn't notice any smell. Bike ran fine and I'm just a beginner, so it was just gentle riding around, mostly watching my son ride. Drove it home once cooled and put it in the garage. Realised whilst browsing manual for something else, that the petcock position i thought was off, is actually reserve…

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    • 5 replies
    • 3.9k views
  11. Started by trevbul1,

    Just curious as to other people's thoughts. I am fortunate in owning both a 2021 Gas Gas TXT 250 Racing and a 2018 Beta Evo 300 2T for friends to use. I am a 60-yr old rider with strength issues following a minor stroke. To me, the Evo is very noticeably heavier tho' the internet puts the GG at 67kg and the Evo at 69kg. Although 2kg/ 4.4ibs is a considerable weight if you had to carry it around with you all day, to my mind the difference feels greater than that. Plus, the Vertigo Titanium is listed at 66kg. All that extra money for less than 1kg? Your having a laugh. So, is the difference I notice an illusion caused by frame geomentry and weight distri…

    • 2 replies
    • 2.2k views
  12. Started by lowside,

    Hello again everyone, Planning ahead a bit for our first adventure on the new to us bikes. Got some fuel mixed, some semblance of a tool kit and bike stand. What I'm missing I think are spares for on the day. I figured a pair of levers would be one item, but are there any other items we should carry with us routinely on days out? We're just beginners, so we won't be riding hard. Thanks

  13. Started by beartooth,

    Are these not a thing? I cant find a single one anywhere online. I also can't find any threads talking about why they would be a bad idea.

  14. Hi everyone! So, my background is about 26 years of riding dirt and street, dirt just focused on trails, never motorcross, my dirt bikes were a XR200 and a KTM 300 (2 stroke). I finally decided that with the type of riding I do (tight woods) I didn't need a big heavy bike and never sat down when riding anyway, so trials bikes started looking really appealing. My little wife has never ridden a bike in her life, but is excited to learn. I wanted to get her started out on a something she can flatfoot on that's light. I was going to do a small XR100 size bike, but I think she could learn on a trials just as easily, but could also grow into it. I'm also thinking…

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    • 34 replies
    • 7.7k views
  15. Started by Snowmax,

    Hi, looking for som help. Anybody know what this is. Shows up in the local classified. Seller knows nothing other than it has 80cc and a Derbi engine. I can see a OLLE shock. Thanks in advance for your time and knowledge. Matthias, Oslo, Norway

      • Like
    • 2 replies
    • 1.1k views
  16. Started by Ninja,

    Hi all any bultaco engine experts locally in the Cotswolds as I need to replace a gear in the g/box.

      • Like
    • 3 replies
    • 1.8k views
  17. I wonder if someone could help me a bit. It's been decades since I've touched 2 stroke anything! Two bikes, one Sherco 250 Factory and a Beta Evo 80. Sherco say it needs a 2% premix, Beta say 1.5%. In this situation, can I get away with carrying a single 10L can mixed at 50:1, or should I go 60:1 and split the difference between the two bikes, or should I carry 2 separate cans at different ratios, which I think are 50:1 (Sherco) and 70:1 (Beta)? We will not be ragging the bikes around, as we're just novices. Also, can anyone recommend a premix oil that might suit both bikes (UK based)? Thanks

      • Like
    • 5 replies
    • 2.2k views
  18. Once again another gasser clutch drag problem! Sorry for a post on this topic as I’ve seen it crop up a few times already! I’ve read through everything I can find and done all the checks, new clutch pack ✔️ re bleed with mineral oil ✔️ correct adjustment on master cylinder✔️ Clutch pack measuring within tolerance (9.9)✔️ light gear oil no atf✔️ I did read about replacing seals on the slave? I don’t appear to be loosing any oil from the clutch system into the engine itself so I don’t think this is my problem but I may replace just to eliminate! Does anybody have a link to the exact parts I would need please? Other tha…

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    • 7 replies
    • 2.4k views
  19. Started by trapezeartist,

    The stickers on my Electric Motion are beginning to look a little tired so I'm thinking of getting a Jitsie sticker kit rather than taking out a mortgage for the EM OE kit. Just to be a bit different I'm thinking of getting the "Stealth" version that is virtually all black, white or grey. I can't see a photo anywhere of it fitted though and I'm concerned it might look drab, especially against the black frame. Has anyone got one? And what do you think of the look? And what's the quality like?

  20. Hello everyone, My son (8) has been learning to ride motorcycles. He's also just recently had his first trials lessons (with me learning too). I'm a lifelong road rider with some experience of dirt riding in Spain, but nothing like trials. I'm a bit indecisive about whether to buy bikes just yet. On one hand, whilst I think I know what we need, I probably don't, but on the other, we're going for instruction, but then can't practice what we are being taught, which isn't efficient considering the cost of the instruction. Our lad hasn't ridden clutched before, but I'm confident I can teach him the basics of how a clutch works, without too much trouble. He …

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    • 23 replies
    • 5.6k views

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