Products Description
BG50 Replacement Carburetor | Brush Cutter 2-Stroke Fuel Metering & Atomization Unit
Precision Diaphragm-Pump Induction Module featuring Integrated Primer Bulb and Adjustable High-Low Speed Circuits for Small-Displacement Powerhead Restoration.
Brush cutter BG50 Carburetor
The BG50 diaphragm-type carburetor constitutes a complete fuel-metering and atomization module engineered for the restoration of air-fuel induction logic in BG50 and compatible small-displacement 2-stroke brush cutter engines. The integrated diaphragm-pump fuel-delivery system utilizes crankcase pressure pulses to draw fuel from the tank, maintaining a constant metering-chamber level regardless of the trimmer's spatial orientation during slope-cutting and edging operations. A manual primer bulb enables rapid cold-start fuel-charge delivery, while independently adjustable high-speed and low-speed needle valves provide the field-calibration flexibility required to compensate for altitude, seasonal fuel-formulation changes, and engine wear. Purpose-calibrated as a direct bolt-on replacement, this module restores factory-spec cold-start behavior, throttle-response crispness, and idle stability on professional landscaping and groundskeeping equipment.
Technical Profiles & Materials
Pulse-Driven Diaphragm Fuel Pump Multi-layer polymer diaphragm runs on alternating crankcase pressure pulses. It delivers reliable self-priming lift for low-mounted fuel tanks and stable fuel supply when working on slopes or uneven terrain.
Dual-Circuit Calibration Architecture Separate H/L fuel mixture screws with spring locking design support on-site fine-tuning. Achieve smooth idle, responsive throttle pickup and maximum power under full throttle by adjusting the air-fuel ratio accurately.
Integrated Manual Primer System Transparent top primer bulb manually fills fuel chambers and clears trapped air. It feeds rich fuel mixture to the venturi, cutting pull times drastically for cold starts after long storage.
Precision-Cast Alloy Chassis Zinc-aluminum die-cast carburetor body retains precise internal channel and jet dimensions over repeated temperature cycles. Precision-drilled fuel passages avoid uneven fuel metering issues found on low-quality cast carburetors.
Technical Specifications
| ITEM | DETAILS |
| Type | Diaphragm-Type 2-Stroke Carburetor |
| Application | BG50 Brush Cutter / Trimmer / Compatible Small Engine |
| Code | 2301190 |
| Material | Die-Cast Zn-Al Alloy / Polymer Diaphragm / Brass Jets / SS Springs |
| Details explanation | Dual-Circuit (H/L Adjustable) with Diaphragm Pump & Primer |
| Brand Name | SeaSummer |
| Operating Temp | --20°C to +60°C |
| Delivery Time | 30 Days |
| Packaging | Cardboard packaging |
Products Application
BG50 Cold-Start & Throttle-Response Restoration
Serves as the primary induction-system replacement module for professional landscapers and groundskeepers addressing the classic symptoms of BG50 carburetor degradation-progressively harder cold starting requiring excessive choke cycling, hesitation or bogging on rapid throttle opening, inability to hold a stable idle without stalling, and the fuel leakage from the overflow vent that indicates a punctured diaphragm or stuck metering needle.
Post-Storage Fuel-System Remediation
Ideally suited for restoring engine function after off-season lay-up where old fuel has evaporated within the carburetor, leaving behind the varnish and gum deposits that clog the precision-drilled idle and transition circuits. The complete pre-assembled replacement eliminates the labor-intensive and frequently unsuccessful process of disassembling, soaking, and rebuilding an original carburetor with degraded internal diaphragms and non-replaceable pressed-in Welch plugs.
Professional Landscaping Fleet Preventive Maintenance
An essential ignition-and-induction system spare for municipal parks departments, golf-course maintenance crews, and commercial landscaping contractors managing multiple BG50-class brush cutters. Its cost-effective complete-replacement format enables a "replace-and-dispose" maintenance strategy that eliminates the troubleshooting variability, tooling requirements, and extended bench-time of carburetor rebuilding.
Quality and Craftsmanship Details
Products Package
About Us
As a premier garden machinery parts supplier, Jiaxing Norsun Trading Co., Ltd. bridges global distributors with over 100 vetted China manufacturers. We streamline your B2B supply chain through strict quality control, flexible production, and factory-direct wholesale pricing. Partner with us for reliable, high-volume sourcing of precision-engineered outdoor power equipment components.
Trusted Partnership Power
YOUR PROFESSIONAL ONE-STOP SOURCE
FOR 10000+ OUALITY PARTS
Verified Factory Excellence
BACKED BY 200+ TRUSTED FACTORY PARTNERS
Production process
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FAQ
Q: Are you an impartial industrial components dealer or a direct China water pump factors factory?
A:We are a direct, ISO9001-certified engineering water pump components manufacturing facility and precision fluid-control factor manufacture exporter primarily based in China. We function our personal cleanroom injection molding bays, computerized ultrasonic welding arrays, computerized hydraulic stress check stations, and clean-room packaging lines, passing direct-factory wholesale price financial savings straight to your element procurement margins.
Q: Can your manufacturing unit furnish full certification forms for food-contact or consuming water compliance?
A: Yes, absolutely. For food, beverage, or scientific applications, our manufacturing unit makes use of one hundred percent virgin, un-recycled polypropylene resins accompanied by means of fabric traceability certificates. We mechanically furnish B2B purchasers with complete FDA compliance documentation, NSF-grade compound declarations, and RoHS/REACH chemical protection screening sheets to make certain clean clearance thru worldwide customs.
Q: Do you provide customization picks for distinctly corrosive fluids like sturdy acids or ozone?
A: Yes, we are a thoroughly succesful OEM/ODM supplier. For aggressive chemical or ozone environments, we can improve the 12x26.5mm valve configuration in our factory: substituting the general PP housing with top class PVDF (Fluoropolymer) and changing any steel springs with Hastelloy or whole springless gravity-ball architecture, making sure final chemical resistance.
Q: How do we impervious a pattern batch to execute computerized lifecycle and burst-pressure testing?
A: We relatively inspire complete laboratory contrast earlier than logging mass grant agreements. We can ship a pattern lot of 5-10 gadgets of our inventory 12x26.5mm take a look at valves for assessment (setup costs and DHL/FedEx air freight apply). Once the factors pass by your inner lifecycle verification and a formal wholesale quantity manufacturing contract or container run is locked in, the sampling charges are a hundred percent credited returned to your industrial balance.
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