This kickstart ratchet spring is a high-quality replacement for Triumph unit 650 and 750 twins using part number 57-1250. It restores proper return tension to the kickstart ratchet mechanism, helping ensure consistent, positive engagement when starting your vintage Triumph.
Manufactured to OEM pattern dimensions, this spring is ideal for engine rebuilds, gearbox overhauls, or fixing a weak, dragging, or non-returning kickstart. If your kickstart lever does not snap back cleanly or the ratchet is slow to disengage, replacing the 57-1250 spring is a simple and inexpensive fix.
Key Features
- Correct replacement for Triumph part number 57-1250
- Fits many unit 650/750 twins (T120, TR6, T140, TR7 – verify your parts book)
- Made to OEM-style dimensions for proper fit and function
- Helps restore crisp kickstart return and reliable ratchet operation
- Ideal for restorations, routine maintenance, and gearbox rebuilds
Fitment Notes
Always confirm part number and diagram for your exact year and model before ordering. On many models this spring works in conjunction with the kickstart ratchet gear and pinion; inspect and replace worn components together for best results.Â
The product images shown are for illustrative purposes only and may not be an exact representation of the product received. Manufacturers occasionally make minor cosmetic changes to items, such as color, finish, label, or design. These changes do not impact the item’s function or compatibility. Please contact us if you have specific concerns regarding appearance.
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