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motoswm

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  1. 220cc in each leg....strangely enough same as the 35mm version. 10W is what I normally use.
  2. Building a Francis Barnett with a 32A motor and seem to have starting issues from cold. Motor has been totally rebuilt, new piston, crank, mains, seals etc and is fitted with a new Electrex world ignition and new Amal concentric carb from Villiers services. Running a Villiers service front pipe and Alan Wright WES silencer. From cold it doesnt seem to be getting enough fuel, but when you check the plug its fouled. Once hot, it runs and starts fine. Can anyone confirm the best plug to use with this set up and also what pilot jet should be in the Amal. Cheers
  3. Project Armstrong mono update...everything complete and now ready for the final strip down and some new paint. The final part of the jigsaw was a new sump guard.
  4. Patrik...lost your email, but its the 33t sleeve gear that the final drive sprocket fits onto. Fastfred....I will give John Collins a buzz tomorrow.
  5. Hi All Happy New Year Can anyone help with a problem on a 340 model 199B six speed gearbox ? Looking for a sleeve gear like in the photo....just with all of the teeth on it. I have tried Dave Renham at InMotion and Bellavista in Barcelona without any luck. Don't mind new or used, just hoping to get it all back together and running again. Cheers Martin
  6. Good idea Ross, I will ask around to see if anyone has one. I have tried SWM sumpshields, where the Armstrong is different is the front mounting point which is a lot higher up than other Rotax powered bikes. So I think fabrication is the only answer. Thanks for the suggestion though.
  7. Decided to do an air cooled mono, after spotting a frame, tank and seat for an Armstrong at this years Telford Show. With only 80 ever made, it hasn't been the most straight forward renovation, but its getting close to completion. Everything mechanical has been done and its all running and riding.....however 2 parts have eluded the search. Its missing the airbox and sump shield. I have resigned myself to the fact that both will need to be made from scratch, unless anyone out there has anything they want to sell ? If there was anyone with a complete Armstrong/Can Am mono that would be kind enough to take their bash plate off and draw round it for a pattern, I would of course be eternally grateful.
  8. Did you spot on the original carb settings for the 125 that the mixture screw is 2.5 turns out ??
  9. Yellow for trials, Green is mx/enduro, Red road.
  10. 1. Are you using Domino levers...if not you may need to alter the cable. 2. Is everything assembled as shown in the attached diagram....is the thrust plate the correct way round, are there 2 x 3mm thick washers either side of the bearing/basket, do you have 6 friction plates, separated by 5 x 1mm thick metal plates and one 1.5mm metal plate on the outside of the basket. 3. Is the clutch adjusted correctly. Slacken off the cable ant the handlebar end. Wind in the grub screw on the clutch arm until it just touches the thrust plate, then take up the slack at the lever end. Use this as a starting point and adjust the grub screw by a quarter turn at a time until it frees off and doesn't slip....but remember to slacken off at the handlebar end every time you adjust.
  11. Saw T-shock 250's dad at Telford Ross.....not much further in 9 years !!!
  12. Superb work Marco I think some of the Trials Central guys would be interested in your SWM mono, have you still got it ? Best regards Martin
  13. Yes...worth having a noticeable improvement over the standard
  14. Crank seals on the disc valve motors can be installed from either side, theres no retaining lip cast into the case or valve cover.
  15. Wrong....gearbox stays on the sprocket side. Or more commonly falls out all over the place when you split the motor, but has to rebuilt on the right hand (sprocket side) crank case. Tap the casings apart with a hide mallet/rubber mallet etc, you don't need heat to split them. Also remember that the crank seals have to be pushed inwards (towards the crank) to remove them as the casings have a lip on the outside of the seal. Martin