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techtalk:ih:transfinal02 [2019/01/09 03:06]
ixl2relax ↷ Links adapted because of a move operation
techtalk:ih:transfinal02 [2019/03/07 18:26] (current)
hippysmack [Mainshaft and Gears]
Line 176: Line 176:
 |**1957-1986** \\ **XL/​XLH/​XLCH/​XLS/​XLX**|35305-56A (20T)|Early 1986|O.D. - 2.423"​-2.428"​. This was a running change in current 883 transmissions when the early style gear stock was depleted. This new gear can be installed in all Sportsters back to 1957 except 1986 → 1100 transmissions which must use this late style gear. ((HD Service Bulletin #M906 dated August 19,1985)) | |**1957-1986** \\ **XL/​XLH/​XLCH/​XLS/​XLX**|35305-56A (20T)|Early 1986|O.D. - 2.423"​-2.428"​. This was a running change in current 883 transmissions when the early style gear stock was depleted. This new gear can be installed in all Sportsters back to 1957 except 1986 → 1100 transmissions which must use this late style gear. ((HD Service Bulletin #M906 dated August 19,1985)) |
  
 +=== Mainshaft roller bearings ===
 +Standard rollers should measure .15625"​-.15610"​. ((Dr Dick of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=1601769&​page=2)) \\
 +Fit to shaft may not be determined by race size. \\
 +In order to fit 23 new std rollers in the race, it needs to be big enough to accept 23 rollers with out the rollers binding in the race. \\
 +When sized to the min. dia. that accepts 23 rollers with out bind, the shaft (.991" dia) will be will be about .002 running clearance. \\
 +This is because there is no roller cage. The rollers touch each other. \\
 +Because of the zero% roller to roller space trying to fit 23 o.s. rollers means the race needs to a lot bigger than the roller amount of roller o.s. \\
 +This results in a looser running fit than used in the standard rollers. \\
 +To use the os rollers and get a tighter fit than 23 standards, you can only use 22 o.s rollers. \\
 +Rigid hone / line lap race to take 23 standards. \\ Then let clearance be whatever it is. \\
  
 +|  Mainshaft roller bearings ((photo by lynx of the XLFORUM http://​xlforum.net/​forums/​showthread.php?​t=2070971&​highlight=oil+filter&​page=10)) ​ |
 +|{{:​techtalk:​ih:​transfinal:​1960_mainshaft_roller_bearings_by_lynnx.jpg?​direct&​400|}}|
  
 ===== Countershaft Group ===== ===== Countershaft Group =====