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Everything posted by luca.stere

  1. I have bought from Ural Zentrale rims for M72 and these are made for 4mm spokes but I manged to put them on Dnepr brake hubs by enlarging the niple holes. The rims are good enough but I recomend these rims only for paved roads only because the material is thinner then the russian rims.
  2. Working on electrics and I am almost done, everything is working and I just have to start the bike in order to test the electronic relay (Vape R81). After the test I have to paint the fenders and the front fork parts and begin the final assembly for the bike. Below the rear light, quit bright for a 6V chinese copy:
  3. It should be on the left top mount of the shock absorber. Also keep in mind that some series of the russian bikes did not had frame number, only engine number which apeared in the papers.
  4. I believe the problem with the springs is not the heat but the poor quality material of the springs. For example the Ural engines does not have this problem, also the boxer BMW aircooled engines which don't have an insulator shim under the valve springs.
  5. I have managed to adjust the position of the front wheel by milling the front brake plate, 3 mm in the center: and 2 mm in the outer diameter: Now the wheel is aligned in the center of the front fork and fender. After that I have painted the gas tank, no filler and no polyester, just paint because as I have mentioned before this is not a final project. The gas tank was treated on the surface with an antirust compound: Green paint semimatt finish RAL 6003:
  6. I believe on J&P Cycles you can find old model Harley rims that fits for russian boxers.
  7. Yes, it shouldn't be overlapping but those brake shoes are not NOS but aftermarket parts and they are not always fit perfectly. The "bright" side is that area is not braking very hard even in a perfect braking sistem.
  8. Summer is begining, Covid starts to dissapear, peoples try to recover the lost time. I did not have much activity on this forum because in the last two years I had another projects (Triumpf BD250 finished, BMW R35, BMW R60/5). On russian bikes I am working on my M72, I am begining to work on a M66 engine (I will show here the work) and I have to finish a Dnepr engine. So, I am still working and I am still here. I have sold the Dnepr and now I have some space in my garage!
  9. Front brake, I have made some adjustments on the brake shoes: I have made may own clutch cable and mount which are stronger then the original ones: I have worked also for the rear brakes: Videos with the work:
  10. I realy don't know, did not have an original harness and I did my own wiring. Some new parts, I hope these are the last of them, rear spring support: New bushes for the rear suspension axles: Rear suspension covers:
  11. As a profession I am a mechanic but I do it as a hobby in my spare time.
  12. A small progress but important, adapting the M72 brake plate model for the Dnepr brake drum:
  13. I have posted here three rebuilts for M72, M63 and Dnepr 650. You can find enough infos on those topics, telescopic fork can be repaired by rectifying the pipes and making new bushes.
  14. This is a K750 produced by KMZ in Kiev Ukraine, not an M72 produced by IMZ factory from Irbit in Russia. The only part you have from M72 is the gearbox. So, you have a K750 with M72 title but the price is ok for the bike if the engine is running.
  15. Probably the kit (cables, gasket, etc) is made in Russia and that is why you find only the carbs on AliExpress.
  16. The second wheel: And the result that I have expected:
  17. This is how a new old stock brake hub looks:
  18. The drums are new, that is one of the reasons that I using them.
  19. I don't believe there is a difference, I never heard about a difference on Dnepr 650 cranks if we except the crank for the engine with external oil filter which I believe are made after 1990.
  20. One wheel at a time, like I said before I will use Dnepr wheels with 3.5 x19 tyres for this bike for my subjectiv reasons.
  21. He said to buy both engines because every version have their advantages or disadvantages.
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