Two-stroke Engine Overhauling

Two-stroke engines are widely utilized as prime movers in marine propulsion systems and land-based power generation units. At YAF Engineering, we specialize in two-stroke engine maintenance, leveraging extensive experience and refined procedures to support vessel operators and power plant managers with highly reliable and efficient solutions.

Our dedicated two-stroke engineers and specialized technicians perform scheduled overhauls during drydock periods as well as urgent repairs in emergency situations.

Our overhauling teams are fully equipped to carry out a comprehensive range of diesel engine operations, including:

Complete engine unit overhauling, covering cylinder covers, exhaust valves, pistons, and liners
Bearings inspection, overhauling, and replacement
Fuel pump, valve actuator, and roller guide overhauling and timing adjustments for MAN and SULZER engines
Camshaft overhauling and replacement of camshaft segments
Overhauling of VIT pistons and reversing cylinders
In-situ liner honing and engine block surface grinding
Lubricator overhauling and calibration
Main air starting valves, shut-off valves, and air distributor servicing

Specifically for MAN B&W ME series engines, YAF Engineering offers:

Fuel booster pump overhauling
HCU (Hydraulic Control Unit) and HPS (High-Pressure Supply) accumulator maintenance
Proportional valve replacement and calibration

By integrating the capabilities of our advanced workshops, spare part reconditioning units, fuel system service departments, and extensive spare parts inventory, YAF Engineering stands as a one-stop solution for all your two-stroke engine maintenance requirements.