Gearbox Selector Forks
Label Part No Description Quantity Comments
1 See chart below Pinion for speedo drive - Most N.L.A some used available 1
2 2A3624 Metal seating bush 1
3 DAM8488 Speedometer cable to pinion housing 1 Was [Link]28G251[/Link]
4 GUG705565GM Gasket, was [Link]2A3628[/Link] 1
5 22A862 U clip for speedo drive 1 C.W.E
6 GFK1113 Plain washer 1/4” 1
7 GHF160 Bolt 1/4” UNC 3/4” long 1
8 See chart below Speedo drive spindle - Some N.L.A some used available 1
9 TSP100400 Selector fork 3rd / 4th synchroniser 1
10 TSP100390 Selector fork 1 st /2nd synchroniser 1
11 22G1854 Selector shaft for speed forks 1
12 BLS110 Detent ball 1
13 22G2083 Detent spring, sits behind drive flange alloy cover 1
14 22G1870 Detent sleeve, sits behind drive flange alloy cover 1 C.W.E
15 22G1417 O ring for sleeve, sits behind drive flange alloy cover 1
16 22G1858 Selector shaft 1
17 DAM3022 Gaiter for rod change seal 1 Part of [Link]MSSK050[/Link]
18 22G1844 Interlock spool sleeve for selector rod shaft 1
19 42H1077 Pivot bush 1
20 22G1849 Reverse release lever lower was [Link]AHU2292[/Link] 1 C.W.E
21 22G1848 Bell crank release lever upper 1
22 22G1847 Bell crank release lever centre 1
23 42H1081 Spacer for levers 2
24 GFK1137 Washer 3/8” hole 1 1/4” wide 1
25 GFK3323 Locknut 3/8” UNF 1
26 22G1845 Bell crank pivot pin 1
27 31B447 Pivot pin ‘O’ ring oil seal 1
28 22G2595 Roll pin to hold selector 3rd/4th fork on shaft 1
29 AHU1672 Seal for selector rod housing 1 Part of [Link]MSSK050[/Link] oil leak kit
30 CDU1563 O ring for bush [Link]DAM8706[/Link] 1 Part of [Link]MSSK050[/Link]
31 DAM8706 Bush alloy behind [Link]AHU1672[/Link] seal 1 Part of [Link]MSSK050[/Link]
32 MSSK050 Leak fix kit 1 Parts 17/29/30/31
33 AAU2304 Seal for [Link]DAM8488[/Link] 1

Use 6/16 Speedo drive pinions for 12”wheels with 3.44 final drive

 

Diff Ratio Mini Mini Pinion No.1 Mini Spindle No.8
Teeth Colour Part No. Teeth Colour Part No.
2 - 76 1275CC MPI (Special pairing 15x7) 15 Black TXD10004 7 Yellow TXF10001
2 - 95 998cc - Mini City E - Engine no. 99H 997P 17 Plain 22A1881 7 Blue DAM6028
3 - 1 12”wheel - 998cc high comp. Ratio & 1275cc 1990-96 except Cooper SPI 17 Plain 22A1881 7 Blue DAM6028
3 - 2 Cooper SPI only (Special pairing 18x7) 18 Grey TXD10006 7 Red TXF10004
3 - 2 ERA Turbo Mini 16 Yellow DAM8074 5 Red 22G2022
3 - 4 & 3 - 76 All Mini Pre 1984, 1275GT with 10” & 12”wheels and 3.65 ratio 17 Plain 22A1881 6   2A3720
3 - 4 12”wheel, 998cc - 1984on, low comp. Plus F16 high compression engine 16 Green DAM2905 6   2A3720


Metro Metro Pinion No.1 Metro Spindle No.8 DIFF RATIO Notes
Teeth Colour Part No. Teeth Part No.
Pre 1984 18 teeth Red 22G2024 5 teeth 22G2022 Mar-64 998cc except economy
17 teeth Green DAM2904 5 teeth 22G2022 Mar-44 998cc HLE / 1275cc
18 teeth Blue DAM6365 6 teeth 2A3720 03-Jan 998cc / 1275cc economy
1984 to 1988 99H/A,B,C Eng No 18 teeth Red 22G2024 5 teeth 22G2022 Mar-64  
18 teeth Blue DAM6365 6 teeth 2A3720 03-Jan Economy
99H/D,E engine numbers 1988 on 18 teeth Red DAM8079 5 teeth 22G2022 Mar-64  
18 teeth Blue DAM8075 6 teeth 2A3720 03-Jan  
12H/A,B,C engine numbers - 1984 to 1987 17 teeth Green DAM2904 5 teeth 22G2022 Mar-44 MG and standard
17 teeth Plain 22A1881 6 teeth 2A3720 Feb-95 Economy
16 teeth Green DAM2905 5 teeth 22G2022 3.2 MG Turbo
12H/D engine numbers 1988 on 17 teeth Green DAM8073 5 teeth 22G2022 Mar-44 MG/Sport/GTA - 13” wheels
17 teeth Plain DAM8078 6 teeth 2A3720 Feb-95 Economy
16 teeth Yellow DAM8074 5 teeth 22G2022 03-Feb MG Turbo - 13” wheels

Note: Plain spindles were often white but turned brown after use.