Ensure steady oil circulation and long engine life for your ATV! This Premium Replacement Oil Pump is engineered specifically for the 250cc engine of the Bashan BS250S-11B quad. It delivers consistent oil flow and pressure to critical internal components like the camshaft, crankshaft, and cylinder head.
A failing oil pump leads to loss of oil pressure, causing rapid overheating, friction, and catastrophic engine failure. Installing this precision-built unit restores factory oil delivery performance and keeps your engine running smoothly.
Technical Specifications & Details
Component: Engine Oil Pump Assembly.
Function: Maintains required oil pressure and circulates lubricant through the engine.
Material: Precision-machined alloy housing with wear-resistant internal rotors.
Compatibility: Tailored for the Bashan BS250S-11B (250cc liquid-cooled engine) and similar 250cc Chinese ATVs (Requires visual confirmation).
Visual Check: Prior to installation, perform a visual check. Match mounting hole centers, housing depth, and drive gear mechanism against your original pump.
Pre-Lubrication Required: Always prime the new oil pump with clean engine oil before assembly by turning the rotor manually. Never start an engine with a dry oil pump. Replace all related gaskets and seals to prevent oil leaks and pressure drop
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