Reference Material

Crank Shaft

Wear limit at pin portion of crank shaft journal 0.03mm (elliptic or taper)
Limit crank shaft alignment Not to exceed 0.05mm
Side clearance of crank shaft Within 0.3mm
Crank shaft journal oil clearance 0.02 - 0.06mm
Portion of crank shaft thrust bushing 2nd side
Bushing over size of crank shaft journal S.T.D. 0.25, 0.50, 0.75, 1.00
Dimension of crank shaft journal 49.951 - 49.964mm
Dimension of crank shaft pin 44.961 - 44.974

  1. Set-piston with piston pin
  2. Set-ring, piston
  3. Ass'y-rod, connecting
  4. Bolt-connecting rod
  5. Nut
  6. Bushing-connecting rod
  7. Ass'y-crank shaft
  8. Bushing-pilot
  9. Key-woodruff
  10. Sprocket-crank shaft
  11. Washer-packing, crank shaft
  1. Thrower-oil, crank shaft
  2. Pulley-crank shaft
  3. Washer-lock, pulley bolt
  4. Bolt-crank pulley
  5. Set-bushing, main bearing
  6. Ass'y-flywheel
  7. Gear-ring, flywheel
  8. Dowel-flywhel
  9. Washer-flywheel
  10. Bolt-flywheel

 

Crank Shaft, Main Bearing Bushing

Part No. Location Size Bushing Thickness Lapped Dia. Of Journal
12215-18000 Front& Rear S.T.D. 1.827-1.835 mm 49.951-49.961 mm
12247-18000 center S.T.D. 1.827-1.835 mm 49.951-49.961 mm
12215-18001 Front& Rear U.S. 0.25 1.952-1.960 mm 49.701-49.714 mm
12247-18001 center U.S. 0.25 1.952-1.960 mm 49.701-49.714 mm
12215-18002 Front& Rear U.S. 0.50 2.077-2.085 mm 49.451-49.464 mm
12247-18002 center U.S. 0.50 2.077-2.085 mm 49.451-49.464 mm
12215-18003 Front& Rear U.S. 0.75 2.202-2.210 mm 49.201-49.214 mm
12247-18003 center U.S. 0.75 2.202-2.210 mm 49.201-49.214 mm
12215-18004 Front& Rear U.S. 1.00 2.327-2.335 mm 48.951-48.964 mm
12247-18004 center U.S. 1.00 2.327-2.335 mm 48.951-48.964 mm