Triumph 650 Unit-Construction 4-Speed Gearbox Rebuild Kit 1963-1972 PN# TBS-0357

$199.95

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SKU: 633726143838 Categories: , , Year: 1963-1972Make: TriumphModel: 650

Description

We have assembled this comprehensive kit to provide the engine builder with all of the necessary wear-prone replacement parts normally required when rebuilding a unit-construction Triumph 650 4-speed gearbox.

Bearings, oil seals, bushings, thrust washers, springs, and tab washers are among the replacement parts supplied in this gearbox rebuild kit. We source the majority of the included parts from our suppliers in the UK.

Worn bushings and bearings can lead to a sloppy shifting and noisy transmission operation. The integrity of these parts is critical for trouble-free gear selection and engagement. Updating the worn parts will result in a trouble-free, quiet, and oil-tight gearbox.

The primary drive, outer and inner covers must be removed to allow the transmission assembly to be withdrawn from the gearbox. Transmission rebuilding requires skill and patience. Review the workshop manual for procedures. Some procedures, such as fitment of the high-gear bushing may be best left for a machinist to perform.

Spares included in this kit are:

  • 1 – 57-0448 High Gear Bearing
  • 1 – 60-3552 Main Shaft Bearing
  • 2 – 57-1607 Thrust Washers
  • 1 – 57-1606 Layshaft Bearing (closed)
  • 1 – 57-1614 Layshaft Bearing (open)
  • 1 – 57-3988 Clutch Pushrod Bushing
  • 1 – 57-1370 High Gear Bushing
  • 1 – 57-0928 Low Gear Bushing
  • 1 – 57-0057 Outer Gearchange Spindle Bushing
  • 1 – 57-0023 Kickstarter Spindle Bushing
  • 1 – 57-2116 Countershaft Sprocket Tab Washer
  • 1 – 57-2240 Main Shaft Tab Washer
  • 2 – 57-0404 Shift Quadrant Return Springs
  • 2 – 57-0405 Shift Plunger return Springs
  • 1 – 57-3661 Camplate Index Plunger Spring
  • 1 – 57-0946 High Gear Oil Seal
  • 1 – 70-3309 Shifter Spindle O-ring
  • 1 – 57-1956 Kickstarter Spindle Oil Seal
  • 1 – 70-4578 Cover Plate Oil Seal (early)
  • 1 – 70-7565 Cover Plate oil Seal (late)
  • 1 – 57-1257 Fiber Washer
  • 1 – 57-3978 Index Plunger Washer
  • 2 – TBS-0560231 Camplate Quadrant Spindle Split Pins 5/64” x 1-3/8”

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