MAINSHAFT ASSEMBLY, TRIUMPH UNIT 750, 5 SPEED, GENUINE, 57-7077
MAINSHAFT ASSEMBLY TRIUMPH UNIT 750, 5 SPEED, GENUINE, 57-7077
Replaces OEM Part No: 57-7077 (also replaces 57-4432, 57-7076, 21-7072, 21-7073, 14-1307)
Complete factory spec. gearbox main shaft assembly.
1 piece. High quality heavy duty gearbox main shaft assembly to suit all Triumph unit 750 twin 5 speed gearboxes.
Comes with kick start ratchet tab washer 57-7076, kick start ratchet nut 21-7072, clutch hub washer 21-7073, clutch locking nut 14-1307.
NOTE: This main shaft replaces the early 5 speed main shaft (57-4432). The thread diameters are larger and stronger hence the larger nuts and washers. Will not suit T150 or T160 triples.
Please use the part numbers to verify specifics for your application.
Top quality, Genuine spare part.
Made In England.
More From This Category
GEARBOX DRAIN PLUG, MULTI PURPOSE, FIBRE WASHER, TRIUMPH, GENUINE, 57-1257
GEARCHANGE RUBBER, TRIUMPH, BSA, OVAL, 57-2450, T2450, 89-3208
GEARBOX LAYSHAFT NEEDLE BEARING & THRUST WASHER SET, TRIUMPH, 57-1614, 57-1606, 57-1607
GEARBOX OIL LEVEL BOLT, 1/4" x 28TPI, TRIUMPH, GENUINE, 21-0543
GEARBOX OIL LEVEL TUBE DRAIN PLUG, TRIUMPH, 1969 ON, GENUINE, 57-2167, T2167
GEARBOX SPROCKET, TRIUMPH, 4 SPEED, UNIT 650, 20T, 57-1919 /20T, T1919 / 20T
GEARBOX SPROCKET, TRIUMPH, 4 SPEED, UNIT, 19T, 57-1918, T1918
HIGH GEAR GEARBOX MAIN BEARING, 4 SPEED, TRIUMPH, BSA, 60-3556, D3556, 57-0448, T448
Latest Products
GIRLING FRONT BRAKE MASTER CYLINDER ASSEMBLY, TRIUMPH, 750 1979 ON, 60-7163 G
AIR FILTER ELEMENTS, PAIR, WITH BACK PLATE BAFFLE, TRIUMPH T140, BSA A65, 60-4265
GENUINE LUCAS 22B BRAKE LIGHT SWITCH, ON CHAIN GUARD, 54033234, 99-0725, 31445, 31437
AIR FILTER ELEMENT WITH BACK PLATE BAFFLE, TRIUMPH T140 BSA A65 1974 ON, 60-4265
GEARBOX LAYSHAFT THRUST WASHERS (SET 2) TRIUMPH, GENUINE, 57-1607, T1607
GEARBOX LAYSHAFT NEEDLE BEARING & THRUST WASHER SET, TRIUMPH, 57-1614, 57-1606, 57-1607
SEAT HINGE SET, TRIUMPH, T100 TR6 T120 T150, 1968-70, GENUINE, 82-7862, F7862, 82-8026, F8026
CARB MANIFOLD STUD WASHER MOUNTING SET, TRIUMPH, TR7, 70-9554, 70-9555, 21-1996, 21-1876
Top Sellers
KICK START COTTER PIN ASSEMBLY, TRIUMPH, BSA, GENUINE, 57-4356, T4356, 57-1222
GEARCHANGE RUBBER, TRIUMPH, BSA, OVAL, 57-2450, T2450, 89-3208
KICKSTART RUBBER, TRIUMPH, SCRIPTED, OPEN END, 57-2330 A, T2330 A
KICKSTART PINION LOCK TAB WASHER, TRIUMPH, 650, 750, GENUINE, 57-2240, T2240, T732
KICK START RUBBER, TRIUMPH, SCRIPTED, PRE-UNIT, 82-1814, F1814
GEARCHANGE QUADRANT RETURN SPRING, TRIUMPH, 650, 750, GENUINE, 57-7051, 57-0404, T404
GEARBOX LAYSHAFT THRUST WASHER, TRIUMPH, GENUINE, 57-1607, T1607
GEARCHANGE RUBBER, TRIUMPH, SCRIPTED, CLOSED END, 57-0449A, 57-0449 A, T449
Popular Products
GEARBOX DRAIN PLUG, MULTI PURPOSE, FIBRE WASHER, TRIUMPH, GENUINE, 57-1257
GEARCHANGE RUBBER, TRIUMPH, BSA, OVAL, 57-2450, T2450, 89-3208
GEARBOX LAYSHAFT NEEDLE BEARING & THRUST WASHER SET, TRIUMPH, 57-1614, 57-1606, 57-1607
GEARBOX OIL LEVEL BOLT, 1/4" x 28TPI, TRIUMPH, GENUINE, 21-0543
GEARBOX OIL LEVEL TUBE DRAIN PLUG, TRIUMPH, 1969 ON, GENUINE, 57-2167, T2167
GEARBOX SPROCKET, TRIUMPH, 4 SPEED, UNIT 650, 20T, 57-1919 /20T, T1919 / 20T
GEARBOX SPROCKET, TRIUMPH, 4 SPEED, UNIT, 19T, 57-1918, T1918
HIGH GEAR GEARBOX MAIN BEARING, 4 SPEED, TRIUMPH, BSA, 60-3556, D3556, 57-0448, T448