- Order number: 069-820101
Cylinder Head and Base Gasket Set – For ATV Jianshe JS250, Baja 250cc & Yamaha YM250
Reliable Engine Sealing – Essential After Any Engine Repair on the 250cc Engine!
After working on the cylinder head, cylinder, or piston, the cylinder head and cylinder base must be sealed absolutely reliably to ensure full compression and prevent the leakage of oil or coolant. Reusing old gaskets almost always leads to leaks and subsequent damage.
This Gasket Set includes both the Cylinder Head Gasket and the Cylinder Base Gasket in original quality. It is a precise fit for the 250cc engine in models such as the Jianshe JS250, Baja Wilderness Trail 250, and the Yamaha YM250 Bear Tracker, ensuring your engine seals perfectly and permanently after assembly.
Product Details and Benefits
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Double Protection: Includes the cylinder head gasket (compression) and the cylinder base gasket (oil/cooling).
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Original Quality: Ensures the highest temperature resistance and exact fit for reliable sealing.
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Restores Compression: A new head gasket is essential for maximizing engine power output.
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Broad Compatibility: Fits various common 250cc models (Jianshe, Baja, Yamaha).
| Specification | Detail |
| Article Type | Gasket Set (Head & Base Gasket) |
| Quality | OEM Replacement Part |
| Suitable for | Jianshe JS250ATV, Jianshe 250cc Mountain Lion, Baja Wilderness Trail 250 (WD250-U), Yamaha YM250 Bear Tracker |
| Article No. | 069-820101 |
Installation Instructions (Intended as Guidance Only!)
Important Note: Gasket replacement requires 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.
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Preparation: Ensure that the sealing surfaces on both the crankcase/cylinder and the cylinder head are absolutely clean and free of grease.
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Base Gasket: Place the new base gasket (cylinder base) correctly on the crankcase.
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Assembly: Mount the cylinder and cylinder head one after the other.
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Head Gasket: Insert the new head gasket between the cylinder and the cylinder head.
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Tightening: The cylinder head screws must be tightened strictly in the manufacturer's specified sequence and with the exact torque (usually in several stages) to avoid warping and gasket failure.
Ensure the Sealing and Full Compression of Your 250cc Engine! Order the Gasket Set (Art. No. 069-820101)!