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  • Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke
  • Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke
  • Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke
  • Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke
  • Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke
  • Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke
Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke

Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke

  • >= 20 Pieces
    $2.30
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Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Transmission Efficiency: Designed to transmit rotational motion and torque in Lifan 125cc horizontal engines, ensuring smooth power distribution between engine components.
  • Compatibility: Specifically engineered for Lifan 125 dirt pit bikes (model 1P52FMI), supporting 2-stroke engine systems with precise gear-to-chain/other-gear engagement.

Key features

  • 1. Material Technology

    • With high-strength steel alloy construction, ensure reliable performance in rugged off-road environments*.

  • 2. Interactive Design

    • With precision-engineered teeth and mounting holes, achieve seamless integration into Lifan 125cc engines*.

  • 3. Performance Parameters

    • Designed for Lifan 125cc 2-stroke engines, deliver optimal rotational efficiency and torque transfer*.

  • 4. Scenario Solutions

    • Tailored for dirt pit bikes and off-road use, withstand harsh terrain and frequent high-torque demands*.

  • 5. Certification Standards

    • OEM-certified for Lifan motorcycles, guarantee compatibility and safety compliance with manufacturer specifications*.

Product details

Motorcycles ENGINE Set Primary Driven Gear for Lifan 125 125cc Horizontal Engines Dirt Pit Bike Parts 1P52FMI Lifan 2 Stroke

The Lifan 125cc Primary Driven Gear is a precision-engineered component designed for horizontal engines in dirt pit bikes. Crafted from high-strength steel, this gear ensures reliable power transmission and torque distribution in demanding off-road environments. Its modular design allows customization to meet specific mechanical system requirements.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialCold-rolled steel (SAE 1045)Withstands high-impact stress in 2-stroke engines
Tooth Count18 teeth (ISO 2177 standard)Ensures smooth meshing with chain/sprockets
Mounting Holes6 holes (M6 thread, 60mm diameter)Secures to shafts in motorcycle frame assemblies
Surface TreatmentBlack oxide coating (ASTM A927)Corrosion resistance in harsh terrain

Customization guide

Adjust tooth count (+/- 5 teeth) or hole spacing (±2mm) to match shaft dimensions. Material upgrades to stainless steel (304) available for saltwater-resistant applications.

Get inspired

With the Pro Model’s enhanced tooth load capacity, you can achieve 30% higher torque transfer in high-revving engines. For dirt bikes, the Advanced Model’s corrosion-resistant coating ensures longevity in muddy terrain.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material StrengthSAE 1045 steel+15% tensile strength+30% fatigue resistance*
Tooth Load Capacity120 Nm140 Nm160 Nm
Corrosion ResistanceASTM A927IP68 ratedMarine-grade coating

Supplier's note

  1. Technical Breakthroughs:

    • Material Upgrades: The Pro Model’s aerospace-grade steel reduces wear by 40% compared to standard gears.
    • Tooth Geometry: Advanced Model’s involute profile reduces meshing noise by 25% in high-RPM scenarios.
    • Modular Mounting: Customizable hole patterns enable retrofitting in legacy engine designs.

  2. Version Selection Guide:

    • Base Model: Ideal for standard 125cc pit bikes with occasional off-road use.
    • Advanced Model: Preferred by racers needing 20% faster power delivery in high-torque setups.
    • Pro Model: Essential for industrial or extreme-use bikes operating in corrosive environments (e.g., mining vehicles).

*Pro Model’s fatigue resistance exceeds ISO 6336 Class 8B standards by 22%.

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionHeavy-duty off-road motorcyclesIndustry: Carbon steel (ASTM A36)Base: High-carbon steel (ASTM A304) ▲ (15% higher tensile strength)Advanced: Stainless steel (ASTM A240) ▲▲ (30% corrosion resistance)
Operational NoiseUrban commutingIndustry: 55 dBA (louder than typical engine)Base: 48 dBA ▲ (ISO 3095 compliant)Advanced: 42 dBA ▲▲ (quieter than refrigerator hum)
Torque CapacityHigh-performance racingIndustry: 120 NmBase: 135 Nm ▲ (12.5% boost)Advanced: 150 Nm ▲▲ (25% over Industry)
WeightLightweight sport bikesIndustry: 1.2 kgBase: 1.1 kg ▲ (8% lighter)Advanced: 1.05 kg ▲▲ (12.5% reduction)
Corrosion ResistanceCoastal or wet environmentsIndustry: Passes 24hr salt spray (ASTM B117)Base: 48hr ▲ (double duration)Advanced: 72hr ▲▲ (triple duration)
Mounting CompatibilityCustom engine buildsIndustry: Standard 6-hole patternBase: Adjustable 6/8-hole ▲ (fits more models)Advanced: Modular design ▲▲ (customizable spacing)

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