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About trialsrfun

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    Midlands UK
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  1. Drill for security bolts where the spokes are widening out not tapering in, much easier to deal with like that.
  2. John Banks is best known as a world championship moto cross rider for BSA though I understand that earlier in his riding career he rode a DOT. Looking at the main frame loop and lower subframe on your bike the design is very similar to a DOT though the DOT bikes made around that time used square tube for the main frame loop.
  3. Pleased that you have found the make of your bike also that I correctly identified both the front hub and cylinder. Hope you restore and ride it, be good if you can post pictures here on tc of the finished machine.
  4. Hi Greevesman, Well hopefully someone may yet come forward with details of the frame maker but either way you have an interesting bike that is well worth restoring. Crank cases can be found or are available from Villiers Services new or possibly s/h Villiers Services, The largest stock of Villiers spares in the World or Cotton Villiers cottonvilliersspares.co.uk The Alpha crank may well be serviceable also If you do not have a cylinder head one from any of the aftermarket alloy cylinders can be fitted as the stud spacing is the same for all of them Forks appear to be Ceriani rear hub possibly Triumph Cub but its difficult to tell from the photos which do not really show it, wild guess for the front hub which is barely visible Husqvarna??? Mudguard stay is very similar to the Greeves one fitted to some Anglian models with Ceriani forks or the Greeves alloy beam MX models as well as the Griffon. If it were my bike I would do a rolling rebuild just clean and tidy everything and up take the motor to one of the above for a rebore as well as all the bits needed.
  5. greevesman is this the bike the cylinder came from that you are asking about here on TC? If it is post a photo of all the parts together including tank and exhaust, bit more to go on then. Interesting looking frame though.
  6. trialsrfun

    Frame Paint

    Thank you Feetupfun
  7. trialsrfun

    Frame Paint

    Great looking bike you have Peter, very original condition and still has the lights fitted. Can someone please tell me what changes were made to the fork sliders?
  8. Ask Steve at Villiers Services but if I were to make a guess it could be a Greeves Challenger barrel with the fins cut back or less likely a DMW Marcelle? Can you post pictures of the head The Challenger barrel came in trials or MX versions but dont really know if other than the carb manifold and a spacer between head and cylinderthere was really much difference
  9. trialsrfun

    Ty stalling

    If the carb is a similar type to that on the TY175 there is an O ring surrounding the main jet which needs to be a good fit into the float bowl when it is fitted. Remove the float bowl you will see it.
  10. Lets hope an improving covid situation allows us all to ride in trials at least a few times but hopefully a lot more🤞 enjoy your trials collycolly 👍
  11. Hi colycolly yes I did amend my post but what I initially wrote was based on factual experience. If ever there was a time to get the sport of trials riding both classic and modern back providing pleasure to its competitors it right now. The British bike section here on trials central has almost been killed off by whingers and moaners who constantly pick up on everything posted.
  12. If you had taken the trouble to read the post before answering you would have seen that the person asking the question resides in France where the rules may differ from those your club may implement. TRAF also said the original carb had cracked and that he had the Mikuni about and presumably like the rest of us wants to ride his bike again. There has been precious few trials about for more than one year now yet as soon as there is the promise of at least a few to come you are whingeing. I notice that you ride an Ariel in Pre 65 events which no doubt is fitted with an AMAL Concentric carburettor these were not introduced until 1967. Amal (carburettor) - Wikipedia
  13. Slightly off topic from the question asked, farmer 58za is your Cheetah fitted with the REH alloy cylinder with central exhaust port?
  14. Everything TY is here, YAMAHA TY MAJESTY
  15. trialsrfun

    Sprite 250 Mk 2

    The points side 36A magneto outer case with the round cover is perfectly okay for a trials engine. Is the flywheel fitted the all brass one or has it got the additional weight ring fitted to the outer face? Your bike appears to be a late model similar to the one shown here Sprite Motorcycles (historywebsite.co.uk) these had a longer exhaust on the right hand side, this was a big improvement over the earlier short type fitted on the left hand side making the engine run much better.
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