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About bigshineybike

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    montesa cota 348

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  1. On mine the engine number is just a hand stamped number the same as the frame number but without the letters. I have two spare cases and they are roughly hand stamped too. the number is near to the front frame lug
  2. How do they do this at the factory? My Montesa is all cable but I have a Triumph Speed triple and that has all the same problems you are having here. I fixed the SP3 the same way as you describe here. Got to be an easier way.
  3. The 7 mm allen key you need for the head studs is easier to get these days. It certainly isnt in any standard key set but lots of german cars use them in the brakes.
  4. I have three Montesas, Two are project mopeds. I have a Cota 50 that is mostly complete but in need of total restoration I also have a Fura 50 that was partially restored but needs some engine bits. Where do you think is the best place to find buyers for them? I do most of my part finding on eBay but I am concerned I might not find the most enthusiastic buyers there. As they are fairly complete parting out seems a shame and I know I will then still end up with all the useless bits. Really I need the space more than the money but they do stand me some cash which I would like to get back.
  5. My 348 has a similar thing going on. I think the factory fitted something to the tank that was glued on. it must have fallen off in the 80s. A previous owner bolted a bit of bent and hammered steel sheet to the frame that acted as a heat deflector. it didnt look very neat but seems to have worked. sorry no photos as the bike is in bits at the moment.
  6. I'd go with the karting suggestion. They used to cut away so much metal. The big name was Upton.
  7. I second that idea. I like simply bearings, easy website to use and they are really nice people if you ever need to ring them. If you prefer talking to someone https://www.hendersonbearings.co.uk/ have been around a long time and can often match the big websites prices.
  8. https://www.ebay.co.uk/itm/133146626685?ul_noapp=true August 2019 50cc cota forks. Not mine. might be useful to post this here.
  9. I think he means Inmotion in staines. https://www.inmotiontrials.com/
  10. Surely if you want cheap trials twin shock is the way to go. Dave at 'in motion' is struggling to get rid of some lovely bikes in the pocket money bracket. then there's eBay tons of bikes from scrap to fully built. thats all the internet routes exhausted. if you get out and talk to people theres many an old timer happy to give stuff away. I find it amusing the way some old fellas are so cross about inflation they want to do something generous. But nowt comes free, create your own luch and work hard. either at work become a lawyer or something that pays well or work hard in the garage at home...
  11. This manual is available on line.i posted The links in this forum somewhere. Sixty five pounds is too much
  12. bigshineybike

    Cota 49

    As much as I know the basic principle is that the bike is supposed to be ridden like a bicycle.The assembly in your picture when assembled properly (mine is a sealed unit that doesn't come apart) should allow the pedals to be locked in place while the engine runs. the pedals have a locking device that lets both pedals fold around so they are not 180 degrees apart. Hope that makes sense, I'm not sure if I understand that myself.
  13. Wow a super clean restoration! You can adjust the length of the little brass push rod to control the position of the clutch arm. My bike is horrible and the arm rubs the filler plug, I think a lot do. but you are above that sort of thing.
  14. theres an electronic manual avaialble often on ebay. I have attached a copy, theres a page missing from this one, which is how I know the bloke that sold it to me got it from someone else without reading it.. I dont have a link to hand but they are out there. the parts manual is easy to find montesa_service_repair_1965-75_(1).pdf
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