Product information "Original Piston Set – For ATV Jianshe JS250, Baja 250cc & Yamaha YM250"
Original Piston Set – For ATV Jianshe JS250, Baja 250cc & Yamaha YM250
Complete Replacement for the Heart of Your Engine – Restores Compression and Power!
The piston, piston rings, and piston pin form a critical unit in the engine. Wear on these parts directly leads to power loss, increased oil consumption, and poor compression. Timely replacement of the piston is crucial for the lifespan and efficiency of your 250cc engine.
This Original Piston Set with manufacturer number FG-220001-0 is ready for installation and contains all necessary components: the piston, the piston pin, the piston rings, and the retaining clips. The set fits a wide range of popular 250cc models, including Jianshe JS250, Baja Wilderness Trail 250, and Yamaha YM250 Bear Tracker.
Product Details and Benefits
Complete Set: Includes piston, pin, piston rings, and retaining clips – everything you need for the repair.
Original Specification: Manufacturer number FG-220001-0 ensures the highest material quality and exact fit for long-lasting engine performance.
Restores Compression: Brings back the full power and torque of your engine and reduces oil consumption.
High Compatibility: Fits various common 250cc models (Jianshe, Baja, Yamaha).
Installation Instructions (Intended as Guidance Only!)
Important Note: Piston replacement requires precise expert knowledge in engine building. We strongly recommend that this work be carried out by qualified personnel. The following guide is intended only as assistance for installation.
Preparation: Remove the cylinder head and cylinder.
Pin and Clips: Remove the retaining clips on the piston pin, slide the pin out, and remove the old piston.
Cleaning: Thoroughly clean the cylinder bore surface and the sealing surfaces.
Assembly: Mount the piston rings onto the new piston in the correct order and orientation (the ring gaps must be correctly offset).
Installation: Insert the piston into the cylinder and remount it onto the engine block. Pay attention to the correct installation direction of the piston (marking usually points towards the exhaust side).
Secure Clips: Secure the piston pin with new retaining clips (included in the set) and ensure they are firmly seated in the piston.
Restore the Full Power of Your Engine! Order the Original Piston Set (Art. No. 069-320301)!
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