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
GEARCHANGE INDEX PLUNGER SPRING, TRIUMPH, TR6, T120, TR7, T140, GENUINE, 57-0405

GEARBOX CAM PLATE ROLLER, 4 SPEED, TRIUMPH, GENUINE, 57-2595, T2595, NT261

GEARBOX LAYSHAFT THRUST WASHER, TRIUMPH, GENUINE, 57-1607, T1607

GEARCHANGE QUADRANT RETURN SPRING, TRIUMPH, 650, 750, GENUINE, 57-7051, 57-0404, T404

BEARING CIRCLIP FOR MAINSHAFT OR WHEEL , TRIUMPH, BSA, GENUINE, 57-0280

GEAR CHANGE QUADRANT, TRIUMPH, 650, 750, 5 SPEED, GENUINE, 57-7052

GEARCHANGE GUIDE PLATE, TRIUMPH, GENUINE, 57-0407

GEARCHANGE QUADRANT RETURN SPRINGS (PAIR) TRIUMPH, 650, 750, GENUINE, 57-7051, 57-0404, T404

Latest Products
PISTON & RING SET, TRIUMPH, PRE-UNIT, T100, 500,9:1, GENUINE, 70-3615 +0.040

PISTON & RING SET, TRIUMPH, PRE-UNIT, 5T, 500, 7:1, GENUINE, CP29 70-1563 +0.040

PISTON & RING SET, TRIUMPH, PRE-UNIT, 5T, 500, 7:1, GENUINE, CP29 70-1563 +0.060

PISTON & RING SET, TRIUMPH, PRE-UNIT, 5T, 500, 7:1, GENUINE, CP29 70-1563, 0.000

PISTON & RING SET, TRIUMPH, PRE-UNIT, T100, 500, 9:1, GENUINE, 70-3615 +0.020

TRIUMPH ENGINE TO FRAME BOLT STUD NUT & WASHER SET, T150, 1973-75, GENUINE

SWING ARM SPINDLE & BUSH (SET) TRIUMPH, PRE UNIT 1954-62, 82-3564 82-3690 82-3567

CHAMPION SPARK PLUG CAPS (PAIR) RESISTOR SUPPRESSED, WCX600, WCX180, TRIUMPH, BSA, NORTON

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

GEARCHANGE QUADRANT RETURN SPRING, TRIUMPH, 650, 750, GENUINE, 57-7051, 57-0404, T404

KICKSTART PINION LOCK TAB WASHER, TRIUMPH, 650, 750, GENUINE, 57-2240

GEARBOX LAYSHAFT THRUST WASHER, TRIUMPH, GENUINE, 57-1607, T1607

KICK START RETURN SPRING, TRIUMPH, 500, 650, 750, T150, T160, 57-0031, T31

GEARCHANGE RUBBER, TRIUMPH, SCRIPTED, CLOSED END, 57-0449A, 57-0449 A, T449

Popular Products
GEARCHANGE INDEX PLUNGER SPRING, TRIUMPH, TR6, T120, TR7, T140, GENUINE, 57-0405

GEARBOX CAM PLATE ROLLER, 4 SPEED, TRIUMPH, GENUINE, 57-2595, T2595, NT261

GEARBOX LAYSHAFT THRUST WASHER, TRIUMPH, GENUINE, 57-1607, T1607

GEARCHANGE QUADRANT RETURN SPRING, TRIUMPH, 650, 750, GENUINE, 57-7051, 57-0404, T404

BEARING CIRCLIP FOR MAINSHAFT OR WHEEL , TRIUMPH, BSA, GENUINE, 57-0280

GEAR CHANGE QUADRANT, TRIUMPH, 650, 750, 5 SPEED, GENUINE, 57-7052

GEARCHANGE GUIDE PLATE, TRIUMPH, GENUINE, 57-0407

GEARCHANGE QUADRANT RETURN SPRINGS (PAIR) TRIUMPH, 650, 750, GENUINE, 57-7051, 57-0404, T404
