Primary Gear Train

• Label

  Part Name

  Part No.
• 1

  Primary Gear 29 teeth - 998cc only

  DAM8888
• 1

  Primary Gear 29 teeth - 1275cc only

  DAM8890
• 2

  Inner bush for primary gear 1275cc only

  DAM8889
• 3

  Outer bush for primary gear, all types

  22G109
• 4

  Thrust washer 0.110-112” (2.79-2.84mm )

  22A321
• 4

  Thrust washer 0.112-114” (2.84-2.89mm)

  22A322
• 4

  Thrust washer 0.114-116” (2.89-2.94mm)

  22A323
• 4

  Thrust washer 0.116-118” (2.94-2.99mm)

  22A324
• 4

  Thrust washer 0.118-120” (2.99-3.04mm)

  22A450
• 4

  Thrust washer 0.120-122” (3.04-3.09mm)

  22A451
• 4

  Thrust washer 0.112-114” (2.84-2.89mm)

  DAM6490
• 4

  Thrust washer 0.114-116” (2.89-2.94mm)

  DAM6486
• 4

  Thrust washer 0.116-118” (2.94-2.99mm)

  DAM6487
• 4

  Thrust washer 0.118-120” (2.99-3.04mm)

  DAM6488
• 4

  Thrust washer 0.120-122” (3.04-3.09mm)

  DAM6489
• 4

  Thrust washer 0.122-124” (3.09-3.14mm)

  DAM6492
• 5

  U clip for backing ring 0.124-126” (3.14-3.20mm)

  22A319
• 6

  Backing ring 0.163-0.165” (4.14-4.19mm)

  88G549
• 7

  Dust shield for clutch oil seal

  DAM2821
• 8

  Idler Gear 37 teeth

  TUB101310
• 9

  Thrust washer 0.132-133” (3.35-3.37mm)

  DAM4822
• 9

  Thrust washer 0.134-135” (3.40-3.42mm)

  DAM4823
• 9

  Thrust washer 0.136-137” (3.45-3.47mm)

  DAM4824
• 9

  Thrust washer 0.138-139” (3.50-3.53mm)

  DAM4825
• 10

  Nut for 1st motion shaft drive gear

  2A3548
• 11

  Lockwasher

  DAM4000
• 12

  Drive gear for 1st motion shaft 29 teeth

  DAM2925
• 12

  Drive gear for 1st motion shaft 28 teeth economy model

  DAM6337
• 13

  Bearing and outer track for 1st motion shaft

  AAU8424
• 13

  Bearing and outer track for 1st motion shaft - Turbo only

  ADU6033
• 14

  Circlip for outer track to clutch case

  2A3643
• 15

  Circlip for bearing to 1st motion shaft

  CCN110
• 16

  Roller bearing

  TUK100320

Economy version transfer gears were fitted to French cars with 12A/G04,JO5,J92 Engine numbers only, plus UK Metro ‘E’ (Economy) versions.
These gear sets also had different 2nd and 3rd gears, laygear and first motion shaft, all marked with two grooves on the gear teeth.

Thrust washers are plus or minus 1 thou i.e. DAM6492 is 0.123 thou plus or minus 1 thou = 0.122-0.124 as shown above.