BS25A Carburetor (Euro 2 Version) for 125cc-150cc 4-Stroke Motorcycle Engines

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Application	STANDARD CRANKSHAFT
Material	Aluminum Alloy
Form Of Packaging	Color bag + color box/carton
Throttletype	Cable Operated
Compatibility	Universal Fit for Most Motorcycles
Dimensions	66×78×110mm
Condition	New
Rubber Sleeve Material	Oil-resistant nitrile rubber
Color	As shown
Mountingstyle	Clamp Mount
Size	Standard
Jetsize	Standard 100 Main Jet
Choketype	Manual Choke
Caliber Of Bore	30mm (125-250cc)
Market	ALL OF WORLD

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Product Details
Company Details

Product Specification


Application	STANDARD CRANKSHAFT	Material	Aluminum Alloy
Form Of Packaging	Color bag + color box/carton	Throttletype	Cable Operated
Compatibility	Universal Fit for Most Motorcycles	Dimensions	66×78×110mm
Condition	New	Rubber Sleeve Material	Oil-resistant nitrile rubber
Color	As shown	Mountingstyle	Clamp Mount
Size	Standard	Jetsize	Standard 100 Main Jet
Choketype	Manual Choke	Caliber Of Bore	30mm (125-250cc)
Market	ALL OF WORLD

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)

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory



Business Type:

Manufacturer,Seller 


Year Established:

2015 


Total Annual:

1000000-5000000


Employee Number:

50~100 


Ecer Certification：

Verified Supplier 

Guangzhou Huanhe New Energy Co., Ltd. was established in May, 2015. We are a comprehensive enterprise dedicated to the integrated R&D, production, manufacturing, and sales of two-wheeled motorcycles, three-wheeled motorcycles, and lithium batteries. Our mission is to provide high-quality carbure... Guangzhou Huanhe New Energy Co., Ltd. was established in May, 2015. We are a comprehensive enterprise dedicated to the integrated R&D, production, manufacturing, and sales of two-wheeled motorcycles, three-wheeled motorcycles, and lithium batteries. Our mission is to provide high-quality carbure...

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