Inner gears, 4 synchromesh, from 1979 on
Gearbox, 17 teeth
not 1275GT
Required: 1
Gearbox, 18 teeth
1275GT only
Required: 1
Gearbox, 17 teeth
A plus series
Identification: small groove outside edge of teeth
Required: 1
ball bearing, thickness: 2.4 mm
as requiered
Required: 1
ball bearing, thickness: 2.5 mm
as requiered
Required: 1
for mainshaft end in 1st motion shaft
Required: 1
identify by 0.709" (18 mm) diameter on small end nose
Required: 1
in synchro hub assy
Diameter: 7/32" (5.556 mm)
Required: 3
3rd speed, 21 teeth
for laygear 471468 & 305931
Required: 1
3rd speed, 21 teeth
A plus series
for laygear 305932. Identification: small groove outside edge of teeth
Required: 1
2nd speed, 26 teeth
for laygear 471468 & 305931
Required: 1
2nd speed, 26 teeth
A-plus series (Indentification: smal groove outside edge of teeth) - not French models 1275ccm (1990-96) and MPI (1996-2000)
for laygear 305932. Identification: small groove outside edge of teeth
Required: 1
2nd speed, 25 teeth
A-plus series - only French models 1275ccm (1990-96) and MPI (1996-2000)
for laygear 7277. Identification: two smal grooves outside edge of teeth
Required: 1
in synchro hub assy
Diameter: 7/32" (5.556 mm)
Required: 3
for needle bearing gear
Required: 1
Double ball, Gearbox mainshaft
outer diameter: 65 mm
Required: 1
as stop in gearbox casing
for gearbox main bearing 215940
Required: 1
for laygear- and reverse shaft
Required: 1
f¨¹r gearbox main bearing
3 + 4 hole fitting
if fitted to 4 hole fitting one hole without use
Required: 1
for retainer mainshaft bearing
3 + 4 hole fitting
if 3 hole fitting only 1 requiered
Required: 2
for retainer mainbearing, 3 hole fitting
3 hole fitting
fitted together with lock tab 306142
Required: 1
for retainer mainbearing
3 + 4 hole fitting
if 3 hole fitting only 3 requiered
Required: 4
18 teeth, for final drive 3.44:1
A plus series
more final ratios
Required: 1
19 teeth, f¨¹r final drive 3.105 & 3.21:1
A plus series
more final ratios
Required: 1
20 teeth, for final drive 2.9:1
A plus series
more final ratios
Required: 1
21 teeth, for final drive 2.76:1
A plus series
more final ratios
Required: 1
2.95:1, Crownwheel & Pinion 59 x 20 teeth
A plus series
3.105:1, Crownwheel & Pinion 59 x 19 teeth
A plus series
Mainshaft gearbox
A plus series
Indentification: small groove outside edge of hexagon
Required: 1
Laygear
16 roller, A plus series only 1 requiered
Required: 2
Teeth: 29/25/20/15
not 1275GT
Required: 1
Teeth: 29/25/20/15
1275GT only
smaller diameter at 29 teeth area
Required: 1
Teeth: 30/26/21/15
A-plus series - not French models 1275ccm (1990-96) and MPI (1996-2000)
Indentification: smal groove outside edge of teeth
Required: 1
teeth: 31/27/21/15
A-plus series - only French models 1275ccm (1990-96) and MPI (1996-2000)
feature: Two identification grooves on teeth
Required: 1
Laygear, small - 0.121" to 0.123"
A plus series
as requiered
Laygear, small - 0.124" to 0.126"
A plus series
as requiered
Laygear, small - 0.127" to 0.129"
A plus series
as requiered
Laygear, small - 0.130" to 0.132"
A plus series
as requiered
Reverse, 17/18 teeth
A plus series
Required: 1
reverse gear - one piece bush, may replace the original 2-piece bush
models with A-Plus engine (1980-2000)
Required: 1
Primary drive, 37 teeth, shaft diameter: 0.875" (22.225 mm)
Required: 1
idler gear, 0.130" - 0.131", orange marking
Required: 2
idler gear, 0.132" - 0.133", no marking
Required: 2
idler gear, 0.134" - 0.135", yellow marking
Required: 2
idler gear, 0.136" - 0.137", red marking
Required: 2
idler gear, 0.138" - 0.139", blue marking
Required: 2
for idler gear, outer diameter baering: 1.375" (34.92 mm) inner diameter: 0.750" (19 mm)
Required: 1
for idler gear, outer diameter: 1.375" (34.92 mm) inner diameter: 0.875" (22.225 mm)
Required: 2
1.1/8", 1/2" drive, for nut main shaft 1st motion
more workshop tools
Required: 1
with 1.1/2" AF (38 mm) spanner size. 1/2" square drive socket with 37 mm internal depth and 80 mm total height. For Austin Healey ball joints and many other applications
more workshop tools
Required: 1
