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About trialsrfun

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    Advanced Member

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  • Bike
    Beta, Bultaco, Cub

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  • Location
    Midlands UK
  • Gender

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  1. Argie bargey by Marquez

  2. BSA Conical hub shoes.

    Give these people a try Jon http://www.cgchell.co.uk/
  3. Bultaco Aftermarket Triple Clamps.

    Gerry makes a very nice Bultaco top yoke which places the bars over the steerer stem. I am quite tall and have one fitted to my bike, for me it greatly improves both riding position and handling of the bike.
  4. Help needed building three Greeves Trials Bikes

    It would be helpful if you can post photos of the bikes/parts to see what is there. If you message me the frame numbers I should be able to find the model and year of each one.
  5. MAJESTY questions

    http://www.yamahaty.com/english/tyusineen/majestyen.html Lots of Yamaha TY stuff on the above site.
  6. Help needed building three Greeves Trials Bikes

    Think carefully before you agree to anything, what are your expectations of the finished bikes, do you want them to original spec or something to ride, are the parts you have correct for each model? Beware of someone throwing together the pieces you have just to get one to sell at an autojumble. The thing is no matter how many parts you have even if those parts are in good condition to get each bike built to a good standard you will have to buy certain things as the build progresses. Hopefully you will ride when they are finished so why not build one bike to start with, decide which model group all the bits to that bike then take the engine to Villiers Services to be assembled, Paul Jackson on York's Classic website for wheels if the rims need attention then seek help locally as well as here on TC to help you get it running. Forget pristine go for a reliable build then with the experience restore a second. Greeves bikes are well worth restoring but it would still be possible to spend their value on restoration.
  7. TWINSHOCKS ARE A'COMING............

    My OSSA TR77 Verde
  8. Ossa gripper engine

    The piece you mention is part of the crank cush drive and is secured on a taper, do NOT lever it off it is very hard and will break up on the shoulder area, a puller is required to remove it safely. Steve Sell Marlimar OSSA is the person to contact for all things OSSA he has the puller. Steve Sell Marlimar 07800 788040 leave your name and number he will call you.
  9. OSSA TR77 Verde Carburettor

    I fitted a Mikuni 26mm purchased from Motocarb to my TR77, tho other option might be a 26mm OKO but buy genuine from scooter assasins or mid atlantic trials then follow their set up guide.
  10. TY 250 forks

    Is that 25mm into the top tube but maintaining the same position where the down tubes meet the headstock. There is a lot of metal around that part of the frame in the toolbox area especially, where do you make the cuts? Thank you for your really helpful advice.
  11. TY 250 forks

    Thanks for the feedback feetupfun, the TY 250 forks are for the TY 175 project that I am helping a friend build. When you say a lengthened TY 175 I take it you mean extended swing arm, we are thinking of geetting the shedworks fork ends to do this mod. As yet we are undecided what to do with the steering head angle is it better to leave alone or steepen what are your thoughts please.
  12. TY 250 forks

    Has anyone tried Magical fork springs in their TY 250 34mm straight leg forks, same for the alloy damper kit which looks interesting but is rather pricey. Would like to know what difference these parts might bring.
  13. Front brake pulsates

    Can only be buckled disc, sticking pads or caliper.
  14. TY 175 rebuild

    It is staying a 175, the other questions I will let him come here on tc and give that info himself, should he not then maybe we will make something up eh!!!
  15. TY 175 rebuild

    I fitted a 26mm OKO carb to my 250 Bultaco Sherpa model 124 to replace the oiginal 27mm Spanish made Amal concentric which was totally worn out. I carefully followed this tuning guide http://www.mid-atlantictrials.com/Instal.html and the bike now runs very smothly and cleanly all through the rev range, unsure if there is any more bottom end but it runs nicely which makes it easier to ride. As I understand it getting an OKO with the right choke diameter is critical then playing about to find the best pilot jet. There is a lot of OKO info on the weblink above and buy genuine not a copy from an auction site.