Outer Spacer Widths - From 'fergerburger' at this XLForum Thread: http://xlforum.net/forums/showthread.php?t=1681432

• Brake disc installation screws x (10) - (3680) - 5/16”-18 x 7/8“ socket head cap bolts³⁾
• Wheel bearings (2) roller type (9052)⁴⁾
• Spacer (1) (inside) between the bearings⁵⁾
  • 2.564” violet (43623-78)
  • 2.550 pink (43624-78)
  • 2.536 gold (43625-78)
• Spacer (1) (outside) left bearing (43488-77)⁶⁾
• Hub seals (2) - (47519-72)⁷⁾
• Axle bolt 3/4“ shank with 5/8”x 18 threads (43883-77) ⁸⁾
  • Washer 5/8“ x 1 5/16” x 3/32“ (6653)
  • Lock washer 5/8” (7022)
  • Nut 5/8“ x 18 (10) (7813) - 15/16” hex head
• Wheel weight 1/2 oz (95590-77)
• Wheel weight 1 oz (95591-77)
• Brake rotor ⁹⁾
  • Early '79 XL, XLCH (2) (44137-77)
  • Late '79 XL, XLCH, XLS(2) (44137-79)

• Sprocket to wheel mounting bolts (5) - (3769) 7/16“ x 14 x 1-1/2” with (7039) 7/16“ lock-washers.
• Rear sprocket:
  • (41470-73A) Shot blast and chrome.
  • (41470-78) Polish and chrome.
• Inner retaining ring (2) - (11027)
• Bearing spacer washer (2) - (43559-73)
• Bearing spacer (outer right, 1-1/2”) (41203-79)
• Bearing seal (to hub)(2) - (47519-72)
• Roller bearing (2) - (9052)
• Bearing spacer (outer left, 1“) (41202-79)
• Disc brake (41791-79)
• Disc brake screw (5) - (43567-79)
• Axle bolt 3/4” shank threaded for 5/8“ on the end with, (6655) 5/8” x 1-1/2“ x 1/8” washer, (7022) 5/8“ lock-washer and (7986) 5/16” x 18 x 1-1/2 hex head nut.
• Wheel weight 1/2 oz (95590-77)
• Wheel weight 1 oz (95591-77)

If you break an adjuster end plate while your out riding, here is quick fix that might help get you home. Click on a pic to enlarge:

One large fender washer with a smaller one in front to keep the large one from bending. 10)