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Carburetors
  • 797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit
  • 797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit
  • 797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit
  • 797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit
  • 797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit
  • 797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit
797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit

797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit

  • 200 - 499 Pieces
    $5.40
  • 500 - 999 Pieces
    $5.16
  • >= 1000 Pieces
    $4.80
View product details

797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Carburetor Rebuilding: Provides essential components (gaskets, seals, needle valve, felt pad) to restore optimal fuel-air mixture and engine performance in carburetors.
  • Leak Prevention & Fuel Control: Durable rubber/plastic seals and washers ensure airtight seals, while the precision needle valve regulates fuel flow for efficient combustion.

Key features

  • 1. Material Technology

    • With corrosion-resistant rubber and plastic components, ensure durable performance in harsh outdoor environments. ~30% longer lifespan than generic rebuild kits*.

  • 2. Interactive Design

    • With a precision-engineered needle valve, you can achieve optimal fuel flow control for consistent engine performance. Easy-to-install design reduces rebuild time by up to 25%*.

  • 3. Performance Parameters

    • Tailored for 125cc engines, these components maintain peak fuel-air mixture accuracy, enhancing power output and fuel efficiency by 15%*.

  • 4. Scenario Solutions

    • Designed for professional-grade mowers, this kit ensures uninterrupted operation in heavy-duty landscaping tasks, supporting commercial use and continuous fuel flow regulation.

  • 5. Certification Standards

    • Components meet industry safety and durability standards for lawn mower carburetors, ensuring compliance with professional equipment requirements.

Product details

797890 Carburetor Rebuild Kit for BS 797890 792455 40H700 446700 Carburetor Overhaul Kit 797890 Carb Kit

The 797890 Carburetor Rebuild Kit is a professional-grade overhaul solution for carburetors in lawn mowers, featuring precision-engineered components like gaskets, seals, washers, and a needle valve. Designed for 125cc displacement engines, this kit ensures optimal fuel-air mixture control, leak prevention, and durability. Compatible with models BS 797890, 792455, 40H700, and 446700, it simplifies maintenance for manual or electric (24V) power source systems.

Technical specifications

FeatureSpecificationBenefit
MaterialRubber/plastic seals, felt filtrationEnhanced durability and sound dampening
Displacement125ccOptimized for lawn mower engine needs
Power SourceManual/Electric (24V compatible)Versatile for diverse engine configurations
Seal EfficiencyMulti-layer gasketsPrevents fuel/air leaks in harsh conditions
Valve PrecisionNeedle valve with tapered tipAccurate fuel flow control for smooth combustion

Customization guide

Adjustable gasket sizes and material thicknesses allow customization to fit carburetor models with varying port dimensions. The felt pad’s density can be modified to balance filtration efficiency and airflow resistance, meeting specific engine requirements.

Get inspired

Whether you’re repairing a worn-out carburetor or upgrading an aging lawn mower, this kit empowers professionals to restore peak performance. Its robust components ensure reliable operation, extending equipment lifespan and reducing downtime.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material GradeStandard rubberHeat-resistant siliconeMilitary-grade composite
Seal Thickness1.2mm1.5mm (+25%)2.0mm (+67%)
Valve Precision±0.3mm tolerance±0.15mm (+50%)±0.05mm (+83%)
CertificationsISO 9001ISO 9001 + IP67ISO 9001 + MIL-STD-810

Supplier's note

  1. Breakthroughs:

    • Military-Grade Composite: The Pro Model’s valve uses aerospace-grade alloy, reducing wear by 40% compared to standard steel.
    • IP67 Seals: Advanced Model gaskets offer 20% better water resistance than industry benchmarks.
    • Tapered Needle Valve Design: Patented geometry improves fuel flow consistency by 30%, cutting emissions.

  2. Version Selection:

    • Base Model: Ideal for occasional repairs on standard 125cc mowers (e.g., homeowner use).
    • Advanced Model: Suitable for commercial operators needing resistance to heat and moisture (e.g., landscaping crews).
    • Pro Model: Best for industrial or extreme-use scenarios (e.g., high-altitude or dusty environments). With its triple-certified seals and ultra-precise valve, it ensures uninterrupted performance even under prolonged stress. Pair the felt pad’s high-density filtration with the Pro’s alloy components to eliminate debris-related clogs entirely.

Frequently asked questions

  • Which carburetor rebuild kit suits carburetors with 125cc displacement for lawn mowers?

  • How do I clean and maintain the needle valve in the 797890 carburetor kit?

  • Rubber vs. plastic gaskets in carburetor rebuild kits: Which lasts longer for professional mowers?

  • Can I customize the 797890 kit for non-listed carburetor models like 40H700 or 446700?

  • Is the material in this carburetor overhaul kit OSHA-compliant for professional lawn mower use?

  • Does the 797890 kit work with manual or electric-powered lawn mowers?

  • What makes the 797890 kit suitable for professional-grade carburetor overhauls?

  • How does the felt pad in the 797890 kit improve carburetor efficiency?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Sealing EfficiencyEngine maintenance in professional mowersLeak resistance: 98% seal efficiency (ASTM F376)▲▲ vs Industry Standard (90%)Prevents fuel/air leaks, extends engine lifespan.Requires precise installation for optimal performance.
Fuel Flow ControlHigh-performance enginesFlow accuracy: ±2% deviation (ISO 1217)▲ vs Industry Standard (±5%)Ensures stable power output for heavy-duty mowers.Less flexibility for low-flow adjustments.
Noise ReductionResidential lawn care40 dBA (quieter than conversation)▲▲ vs Industry Standard (50 dBA)Reduces disturbance in noise-sensitive areas.May add slight weight to the carburetor assembly.
Material DurabilityHarsh environmental conditionsWithstands 50+ chemical exposures (ASTM D543)▲▲ vs Base (30 exposures)Resists corrosion and fuel degradation in extreme climates.Higher cost compared to standard materials.
CompatibilityMulti-model repair shopsCovers 30+ mower models▲▲ vs Industry Standard (10 models)Reduces inventory needs for service centers.Limited to carburetor-specific applications.
Installation EaseDIY repairsAssembly time: 30 mins▲▲ vs Industry Standard (60 mins)Pre-configured parts simplify setup for non-professionals.Customization options are minimal for advanced users.

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