View full version: Engine and Bottom End
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  1. Bottom ring broke into 5 pieces, thoughts?
  2. Mechanical seal
  3. Counter Balancer
  4. Sleeve cracked
  5. Stock TRX250R Idle & Peak RPM - Working on New Project
  6. How are the ESR cases holding up?
  7. Powerbands?
  8. Clutch problems!
  9. kicker problems
  10. Actuator arm needed!!
  11. leak down test?
  12. Hinson basket requires modifications?
  13. oem crank or hotrods diffrence:
  14. Factory grey Honda motor paint
  15. Sphynx cylinder stud length...
  16. How to know if head o-rings are bad?
  17. Picking this motor and pipe up tonight, finally can start my build!
  18. no spark
  19. Intresting Cylinder
  20. Hinson History
  21. Good news for all Big Bore guys!!!!
  22. 87-89 Style Radiator Hoses - OEM vs eBay/GPI/Niu-X TRX250R
  23. Shocking development on ESR cylinders
  24. CR250 Ignition Testing - With Multimeter
  25. Would you ignore this?
  26. spacer plate vs short rod crank?
  27. Max Bore size on OEM cyl/sleeve
  28. clearancing for 5 mil crank
  29. Hot rods 4 mil stroke crank is lower rod bearing area still clearanced
  30. Anyone Have Overheating Issues with OMF Radiator Guard on their 250R?
  31. Plug Reading
  32. CR 250 head gasket on the TRX250R
  33. esr 350 compression
  34. ESR 310PV cyliinder...need input
  35. Bringing back the 2 stroke compression release
  36. ProX/ESR power valve block off..
  37. opinions and experience on a few tech questions - Drag Pipe, 40.5 Carb
  38. Radiator Cap part number
  39. Oem cylinder skirt
  40. engine troubles!!!
  41. Kick start and clutch cover differences
  42. PVL Ignitions
  43. any difference in CDI (HA2 and HB9)
  44. ct 330 porting
  45. New Esr Pv cylinders
  46. lrd/led big bore pipe..
  47. To stroke or not to stroke: that is the question
  48. Kick starter slipping
  49. opinions on this break-in method
  50. who did this?