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Torque Spring Assembly for Yanmar L40 L48 L60 L70

Torque Spring Assembly for Yanmar L40 L48 L60 L70
Torque Spring Assembly for Yanmar L40 L48 L60 L70
Part No.
320 217
Out of stock
Currently out of stock but available to back order

£11.40 £9.50

Description

Overview:
This non-genuine Torque Spring Assembly is a metal replacement part for the governor system on Yanmar single‐cylinder diesel engines such as the L40 and L48. Built from durable metal, it provides the restoring force the governor needs to keep engine speed stable as load changes. Replacing a weak, stretched or broken spring helps prevent hunting, surging and poor throttle response, restoring smooth running and dependable power delivery. Suitable for compact construction and garden machinery powered by Yanmar L‐series engines, it drops into the existing governor linkage with no special modifications required. Identified by MPN 320 217, it is a practical, cost‐effective option for routine maintenance or repair when the original spring has worn out through service hours, vibration, heat cycles or corrosion.

Key Features:
- Non Genuine Part compatible with Yanmar L‐series models listed below
- Durable metal construction designed to resist fatigue under constant cycling
- Helps restore steady idle and consistent top speed under varying load
- Supports smoother acceleration and better load pick‐up, reducing engine hunting
- Direct-fit design for the governor linkage on applicable engines
- Suitable for small plant, generators, pumps and other equipment using these engines
- Cost‐effective maintenance solution identified as MPN 320 217
- Useful for tradespeople and DIY users maintaining fleet or single machines

Typical Applications:
Used on small diesel engines fitted to plate compactors, generators, water pumps, pressure washers, mixers, tillers and similar plant or garden machinery. Ideal when the engine struggles to hold a steady RPM, surges under load, or fails to return cleanly to idle due to a weakened governor spring. Replacing the torque spring helps maintain reliable speed control and extends the service life of the engine and connected equipment.

Also known as:
Governor torque spring, governor compensating spring, engine speed control spring, governor spring assembly, engine governor spring kit. These terms are commonly used for the spring component that maintains the governor's control of engine RPM under load.

Fits Models:
170F, 178F, L40, L40AE, L48, L60, L60AE, L70

Product Specifications

More Information
L&S Part No. 320 217
Part Type Non Genuine Part
Unit of Sale 1
Applications 170F, 178F, L40, L40AE, L48, L60, L60AE, L70
Machine Type Engines
Fits Brands Chinese, Yanmar
Fits Models L40AE |  L60AE

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