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troutrader1

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  1. Betors are rebuildable, They have a clip under the alluminium dust seal carrier. anyway if you have any mechanical ability you can rebuild and better the performance of your betors with little trouble. but I am in Aust and cannot get any help from the manufactures of these shocks. I have used ATF dextron III to rebuild and nitrogen recharge, catterpillar earthmoving O'rings and have had no recalls. a shame that the company producing these shocks are not interested in refining such a good design?
  2. try a new spark plug these will fail as heat and compression increase, if it does the same again then condesor replacement.
  3. Hey pat, not sure what B&J does to the heads? does anyone know about this??? The new piston was made by"
  4. Hey all, Just finishing off a rebuild on ty250n, anyway may save someone some trouble and money down the track, try using IT250 83-85 model piston rings, half the price and exact size, rings, gudeon and ring locator pins. even the cutaway for intake is nearly identical. hope this helps
  5. The standard one on all that I have seen is 28mm TK. I filed the slide cutaway too 3mm "2.5mm"standard and tuned air mixture as best I could and seems to be better than most.
  6. Glad to see this post, Every ty250 mono engined bike that I have ridden or heard does exactly this.. also it seams that they are a bit smokey at idle - 1/8 throttle? Maybe they are rich on idle, I have tried mixture screw with little change? Has anyone tried a Mikuni on TY mono?
  7. Glen, Thanks for your reply, sounds like you might like your Fantic.... will keep this in mind when the guys come to me with the price.. cheers Chris
  8. Hi all I am looking at buying a fantic 240, can anyone tell me if they know any problems or dramas they have had or heard. I own a few twinshocks and am looking for something a that will put up with modern style riding, a clutch that works, engine that can handle modern style reving and stresses. I am sure that this will be interesting topic?
  9. Thanks swoosh.. here are some pics. hope they work!!
  10. Thanks heaps for all the info guys, I have been busy building a prototype twinshock, but I cannot work out how to put photo's on these post's? someone help.....
  11. Thanks for the replies, Now where can I get me one of those engines?????????? ha see the colour photo has different hubs also! Thanks again
  12. I was looking in one of my old books and found two pictures of Mick Andrews on one of his TY's, The pictures are not that good but can anyone identify the engines? The book is "MOTOR CYCLE TRIALS TECHNIQUES AND TRAINING" by Leavitt and Weed. The Pictures are on pages 128 & 139 take notice of clutch cover and header mods!! Sorry to those who do not have this book as I do not own a scanner. Cheers
  13. Hello all, Does anyone know where I could purchase a Piston Kit for 1985 ty250 .75 O/S? I am in Australia and seems to be none here... Thanks Chris
  14. I have found a spoke thread roller but I am not sure what size the spokes are on my Bikes, TY and BULTACO 198. The roller has dies for 9 and 10 gauge spokes?? will this be any good for Twin shock spokes. Any info on this topic would be greatly appreciated as I know nothing in this field except that spokes to suit these bike are too expensive in Australia, so my plan was to buy spokes for bikes that no else wants and re size to suit?? Thanks Chris Sandell-hay Hunter Valley Australia
  15. Thanks very much info, will look at ideas. does any one know if the mark on the crank for timing looks just like a chisel hit on the end and if so does this go to top or bottom with arrow on flywheel on top?
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