Guangzhou Huanhe New Energy Co., LTD
                                                                                                           
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BS25A Carburetor (Euro 2 Version) for 125cc-150cc 4-Stroke Motorcycle Engines

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Product Description

Product Overview


The BS25A Euro 2 Carburetor is a high-quality OEM-style replacement carburetor designed for 125cc to 150cc 4-stroke motorcycles. Built to meet Euro 2 emission standards, this carburetor delivers precise fuel-air mixing, improving engine performance, idle stability, and fuel efficiency while ensuring compliance with emission regulations.

Constructed with durable die-cast aluminum alloy and corrosion-resistant components, it is engineered for long-lasting performance in daily commuting and general use. Factory-calibrated for direct bolt-on installation, it fits most compatible engines without modifications, making it ideal for repairs, restorations, and bulk wholesale orders.

Key Features


  • BS25A specification with 25mm venturi optimized for 125-150cc engines
  • Euro 2 compliant design for reliable emissions control
  • Durable die-cast aluminum body for long service life
  • Pre-calibrated for direct bolt-on installation (no modifications needed)
  • Improves engine idle stability, throttle response, and fuel efficiency
  • Compatible with most 125-150cc 4-stroke street motorcycles

    Specification Details
    Model Number BS25A (Euro 2 Version)
    Product Type Emission-Compliant Carburetor
    Venturi Inner Diameter 25mm
    Control System Automatic Choke / Electronic Control
    Material Die-Cast Aluminum Alloy + High-Quality Rubber/Plastic Components
    Compatible Engines 4-Stroke Single Cylinder 125cc-150cc
    Compatible Vehicles 125cc-150cc 4-Stroke Street Motorcycles (Euro 2 Spec)
    Fuel Type Unleaded Gasoline (91+ Octane Recommended)
    Installation Type Direct Bolt-On Replacement (OEM-Compatible, No Modifications Needed)
    Net Weight ~0.48 kg (1.06 lbs)
    Package Contents 1 × BS25A Euro 2 Carburetor
    Warranty 12 Months Limited Warranty (Covers Manufacturing Defects)

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Guangzhou Huanhe New Energy Co., LTD
Location No. 28, Zhongyue Middle Street, Michong, Jinshazhou, Baiyun District, Guangzhou City
Contact Person Wang

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