Ref.

  P/N
  REVERSE GEAR MS3 1.91:1 RATIO
DESCRIPTION
1      Reverse gear, ratio 1.91:1
2   850414-4   ...Gear housing
3   832667-0   ...Cover
4   956585-4   ...Screw
5   832669-6   ...Gasket
6   814643-3   ...Hollow screw
7   955989-9   ...Ring
8   943866-4   ...Shim, thickness = 0.1MM
-   943867-2   ...Shim, thickness = 0.2MM
-   943868-0   ...Shim, thickness = 0.4MM
9   853542-9   ...Bearing
10   839027-0   ...Set of gears
11   897312-5   ...Lock ring
12   850422-7   ...Ring
13   852433-2   ...Washer (850243)
14   3852390-8   ...Needle bearing
15   3852390-8   ...Spacer ring
16   897385-1   ...Shaft
17   951077-7   ...Lock ring
18   26411-9   ...Spacer
19   3852296-7   ...Spring
20   852949-7   ...Sliding sleeve
21   850433-4   ...Lock ring
22   949071-5   ...Shim, thickness = 0.1MM
--   949072-3   ...Shim, thickness = 0.15MM
--   949073-1   ...Shim, thickness = 0.35MM
--   949074-9   ...Shim, thickness = 0.50MM
23   832644-9   ...Bearing sleeve
24   946179-9   ...Shim, thickness = 0.1mm
--   943870-6   ...Shim, thickness = 0.2MM
25      ...Nut
--   839332-4   ......Nut, alternative thickness = 2.10MM
--   839333-2   ......Nut, alternative thickness = 2.37MM
--   839334-0   ......Nut, alternative thickness = 2.65MM
26   184165-9   ...Roller bearing
27   850415-1   ...Set of gears
28   181303-9   ...Inner ring (183840)
28a   181304-7   ...Outer rage
29      ...Shim, thickness = 0.1mm
--   191840-8   ...Shim, thickness = 0.15mm
--      ...Shim, thickness = 35MM
30   925256-0   ...Rubber ring
31   850272-6   ...Cover
32   973083-9   ...Screw
33   957173-8   ...Gasket
34   960628-6   ...Plug
35   875425-1   ...Bearing unit
36   951940-6   ......Pin
37   183247-6   ......Bearing
38   853949-6   ......Roll bearing
39   897772-0   ......Oil slinger
40   925256-0   ...Rubber ring
41   941826-0   ...Shim, thickness = 0.05MM
--   941827-8   ...Shim, thickness = 0.2MM
--   948230-8   ...Shim, thickness = 0.35MM
42   839253-2   ...Seal ring
43   914538-4   ...Lock ring
44   832675-3   ...Washer
45   956000-4   ...Ring
46   943871-4   ...Shim, thickness = 0.05MM
--   943872-2   ...Shim, thickness = 0.1MM
--   943873-0   ...Shim, thickness = 0.2MM
47   839013-0   ...Washer
48   3852309-8   ...Screw (945090)
49   850275-9   ...Drive shaft
50   850276-7   ...Interm piece
51   965185-2   ...Screw
52   925096-0   ...Rubber ring
53   850472-2   ...Shim, thickness = 0.1MM
--   850473-0   ...Shim, thickness = 0.15MM
--   850474-8   ...Shim, thickness = 0.35MM
54   853949-6   ...Roll bearing
54a   851114-9   ...Spacer sleeve, from 1805 on reverse gear unit
54b   84219-5   ...Spacer, from 1805 on reverse gear unit thickness = 0.1MM
--   84218-7   ...Spacer, from 1805 on reverse gear unit, thickness = 0.35MM
55   850269-2   ...Housing
56   946671-5   ...Screw
57   925256-0   ...Rubber ring
58   958879-9   ...Seal ring
59   125018-2   ...Ring
60   850270-0   ...Cover
61   955297-7   ...Screw
62   925069-7   ...Ring
63   850417-7   ...Slip, coupling
--      ......Components
64   400870-2   ...Shim, up to 1804 on reverse gear unit, thickness = 0.1 MM
--   400871-0   ...Shim, up to 1804 on reverse gear unit, thickness = 0.15MM
--   949070-7   ...Shim, up to 1804 on reverse gear unit, thickness = 0.35MM
65   850471-4   ...Washer
66   947855-3   ...Nut
67   3855787-2   ...Shift mechanism
68   3855785-6   ......Housing
69   897816-5   ......Eccentric piston
70   3856502-4   ......Sliding shoe
71   814184-8   ......Spring
72   897711-8   ......Screw
73   897871-0   ......Washer, thickness = 0.2MM
74   873291-9   ......O-ring (941866)
75   951924-0   ......Pin
76   942871-5   ......Pin
77   925093-7   ......O-ring
78   955273-8   ...Screw
79   941906-0   ...Washer
80   850350-0   ...Cable attachment
81   819068-8   ...Washer
82   819067-0   ...Clamp
83   946577-4   ...Lock nut (940092)
84   955246-4   ...Screw (950022)
84a      ...Washer
85   852363-1   ...Lever (834021)
86   955781-0   ...Nut
87   955948-5   ...Washer
88   955270-4   ...Screw
89   804312-7   ...Control cube
90   955892-5   ...Washer
91   17276-7   ...Cotter
92   850741-0   ...Insert
93   850742-8   ...Cover
94   850833-5   ...Cover (850743)
95   942353-4   ...O-ring
96   955276-1   ...Screw
97   838929-8   ...Zinc electrode
98   800475-6   ...Plug
99   839351-4   ...Oil dipstick
100   955974-1   ...Ring
101   897682-1   ...Gasket
102   814179-8   ...Plug
--   876400-3   Gasket kit