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guy53

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Everything posted by guy53

  1. guy53

    290 Kicking Back

    I guess he did since he didn't post anything since 2009 Guy
  2. I took the weight off the flywheel, cleaned all the port and raise the exhaust port, opened the gas inlet to the cylinder as much as I could ( standard reed valve ) .005 head gasket, Wes exhaust. To help in tight spot, a longer actuator clutch arm with a well oiled cable ( one finger operation ). Guy
  3. guy53

    New carb anyone?

    I may have not been clear, I run a TY B ( and later model twinshock Yamaha ) Mikuni carb on my bike. I know that many on this and other trials site run OKO with a lot of success. Guy
  4. guy53

    New carb anyone?

    I tuned many Mikuni over the years but I never had luck with a Mikuni VM 26 on a TY twinshock, I had an old one with all the jetting I needed on the shelve to replace the TK, I couldn't make it work properly. I bought a new one with the same result. I found a Mikuni that came from a B model, it was an easy job to tune it perfectly for my bike, when you have both ( Yamaha TY Mikuni and regular VM ) there are obvius difference. I'm sure that many here will tell you to go for an OKO, there are many user that can help you on this. Guy
  5. In my case, I bought a blank sprocket. I had acces to the machine shop where I use to work. After I machined the center hole to size and drilled the bolt hole, I found that when reinstalled the bolt head where brushing the swingharm. I remounted the sprocket on the lathe and took about one third off the tickness of the sprocket on the bolt head side and voila: job done. As for the ease to go from 3rd to 4th, read David's comment. Right on. Guy
  6. When I came back to trial, I found the TY too '' fast '' in first gear in tight turn, I was only riding at our club event and in the yard. That's when I lowerd the gear ratio. After a while, I found a place ( perfect for me ) to practice and ride, nice mountain with trail and unlimited opportunity to make my own sections, after a lot of time on the bike, and the use of a very light clutch, I didn't the first gear as often and as David commented I also found the 3rd to 4th easier to manage. I have to say that my TY is not stock and tune to my liking . Guy
  7. I run 12/55, yes 55 rear sprocket on mine. Guy
  8. farmer58za You are right, he and Jill came to Ormstown Vintage Fest for a few years and it always was the highlight of our season. I hope the stars align for them to come back. Guy
  9. The last few years Mick Andrews came to our club for our Vintage Fest, he was riding a super nice Hodaka for the trials. Guy
  10. I use to ride in the 70's and early 80's and after 30 some years, twinshock YamahaTY. I bought a 250 Beta REV 3 that I traded a couple of years later for a 2015 St 250, I never felt '' safe '' on the REV but immediately felt good on the Sherco even if I was not incline at first toward the make or model. Simply said : try and choose, but the best advise is wait for a 250, if you don't like it it will be easy to resell. Guy P.S. When I bought the Sherco I realy was looking for a Montesa, that mean that I'm not '' hooked '' on any make
  11. guy53

    Frame Paint

    In Canada and I believe the USA was the same, all the paperwork to register was provided by Yamaha to the retailer. Guy
  12. guy53

    Ty stalling

    Loosen the cap and test ride. Guy
  13. I mostly use the same gear to ride the sections ( again mostly ), so I think that after a few ride you will have an idea on what ratio you need and ajust the sprocket acordingly. That is a super nice machine, hope you enjoy. Guy
  14. 1) How do you drain the transmission? 2) I can check the level seconds after I refill. Guy
  15. do you check the level with the dipstick '' screwed in '' ? Guy
  16. When dry,I put a liter, Guy
  17. There are different shape of bar, also some time moving the bar foward or closer to you make a big difference. The most important thing is relax on the bike, that make a world of difference. Guy
  18. I ride an 803 on my 2015 ST, no problem Guy
  19. Parts, that's where the TY shine. Guy
  20. I asked that question a while back, no answer came. Guy
  21. I have 2 X 71.00mm on hand one weigh 225g the other 240g and one 70.25 mm that weigh 224 g. I don't have any DT pistons on hand anymore. It is an easy job to cut the corner on the skirt of a DT piston to fit the TY crank. Guy
  22. I will try to weigh them tomorow and post the results Guy
  23. I posted a picture of 2 piston sold as original TY piston, one is from a DT model and the other a TY original.
  24. Is the rim clean? Guy
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