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  • 139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc
  • 139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc
  • 139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc
  • 139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc
  • 139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc
  • 139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc
139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc

139QMB 147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc

$0.20-$15.00/ Piece|100 Piece/Pieces(Min. Order)

Customization:

Customized packaging(Min.Order: 1000 pieces)

139QMB 147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Engine Performance Enhancement: High-quality GY6 engine components (crankcase, pistons, camshaft, timing chain) ensure optimal power delivery and engine efficiency for 50cc to 150cc engines.
  • Multi-System Support: Includes transmission (clutch, flywheel), electrical (stator, ignition system), suspension (shock absorbers), and braking (brake pads) parts, enabling comprehensive motorcycle maintenance and upgrades.

Key features

  • 1. Corrosion-Resistant Material Technology

  • With corrosion-resistant aluminum alloy and durable rubber components, outperform generic parts in harsh environments by 30%*

  • 2. Modular Interactive Design for Customization

  • With a modular design, customize your GY6 scooter 2x faster than traditional methods*

  • 3. Broad Engine Compatibility

  • Compatible with GY6 engines from 50cc to 150cc, offering a 20% broader application range than standard parts*

  • 4. Dual-Scenario Reliability

  • Designed for both routine maintenance and commercial use, ensuring 15% faster installation than non-OEM alternatives*

  • 5. OEM-Quality Precision

  • OEM-quality manufacturing ensures precision fitment, reducing downtime by 25% compared to generic parts*

Product details

139QMB  147QMD 152QMI 157QMJ Performance Spare Parts OEM Quality Motorcycle Parts for GY6 50cc 80cc 125c 150cc

The 139QMB 147QMD 152QMI 157QMJ Performance Spare Parts are OEM-quality components designed for GY6 engines (50cc–150cc). Crafted from durable materials like aluminum alloy, aluminum, and rubber, these parts ensure seamless compatibility with GY6-powered scooters. Key components include engine blocks, transmission systems, electrical components, and suspension parts, all engineered for enhanced performance and longevity.

Technical specifications

FeatureSpecificationApplication Scenario
CrankcaseAluminum alloy, lightweightEngine protection and heat dissipation
PistonsAluminum, high thermal conductivityEfficient power conversion in small engines
Timing ChainStainless steel, corrosion-resistantEnsuring precise engine timing
Clutch AssemblyRubber dampening, low-frictionSmooth gear engagement and torque control
StatorCopper windings, high-output designReliable electrical power generation
Brake PadsCeramic compound, high-frictionSafe braking in wet/dry conditions
Suspension ForksAluminum alloy, adjustable preloadShock absorption for uneven terrain
Drive ChainHeat-treated steel, low wearDurable power transmission to rear wheel

Customization guide

Adjustable parameters include material thickness (for weight optimization) and component dimensions (to fit custom engine configurations). For example, thinner aluminum alloy pistons can reduce inertia for faster acceleration, while reinforced brake pads enhance stopping power in heavy-duty scenarios.

Get inspired

Upgrade your GY6 engine with parts that balance performance and reliability. Whether you’re restoring a classic scooter, modifying for off-road use, or enhancing daily commute efficiency, these components provide tailored solutions for every riding style.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Material QualityAluminumAluminum alloyAerospace-grade alloy*
Durability Rating10,000 km+20% (12,000 km)+40% (14,000 km)*
Compatibility50cc–125cc50cc–150cc50cc–150cc (heavy-duty)
WeightStandard15% lighter30% lighter*

Supplier's note

  1. Technical Breakthroughs:

    • Pro Model: Aerospace-grade alloy reduces weight by 30% while maintaining strength, ideal for racing or long-distance riding.
    • Advanced Model: Enhanced thermal resistance in pistons allows stable performance in extreme temperatures.
    • Base Model: Cost-effective aluminum construction meets OEM standards for budget-friendly repairs.
  2. Optimal Version Selection:

    • Base Model: Perfect for routine maintenance of 50cc–125cc scooters. Its standard durability suits urban commuters.
    • Advanced Model: Upgraded materials and compatibility with 150cc engines make it ideal for riders seeking performance gains without premium costs.
    • Pro Model: Triple the corrosion resistance of industry benchmarks ensures longevity in harsh environments. Pair its lightweight design with high-torque engines for unmatched power-to-weight ratios.

With aerospace-grade alloy, you can achieve 30% lighter components compared to traditional aluminum, boosting acceleration and fuel efficiency.
The Pro Model’s ceramic brake pads deliver 20% faster stopping power than standard rubber pads.

Frequently asked questions

  • Which GY6 engine parts are best for a 125cc motorcycle?

  • How do I maintain the timing chain on a GY6 scooter?

  • Rubber vs Aluminum Alloy: Which is better for GY6 crankcases?

  • Can I customize my GY6 scooter with these 139QMB parts?

  • Are these GY6 motorcycle parts ISO-certified?

  • Do GY6 camshaft parts improve engine efficiency?

  • How do GY6 suspension parts enhance ride comfort?

  • What ensures reliable ignition in GY6 stator parts?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Engine CrankcaseHigh-performance riding, frequent useCast aluminum alloy (ISO 630:2018) ▲
(20% lighter than steel, corrosion-resistant)
Lightweight, reduces engine heat buildup, durableHigher cost than steel alternatives
Frame ComponentsOff-road, daily commutingHigh-tensile aluminum (EN AW-6061) ▲
(Tensile strength: 240 MPa)
Enhanced rigidity, corrosion resistance, reduces motorcycle weightLess impact absorption compared to steel in extreme crashes
Brake PadsUrban commuting, emergency stopsCeramic-composite rubber (Shore A 70) ▲
(Reduces dust by 40% vs standard pads)
Quiet operation, minimal wear, improved braking efficiencySlightly higher replacement frequency in harsh conditions
Suspension ComponentsRough terrain, long ridesOil-filled shock absorbers (ISO 8305)
(Damping range: 50–200 N·s/m)
Adjustable damping for varied terrain, smoother rideRequires periodic oil maintenance
Clutch AssemblyFrequent gear shifts, heavy loadsBillet aluminum housing (ASTM B211) ▲
(Heat dissipation rate: 30% faster)
Reduced friction-induced wear, smoother clutch engagementRequires precision alignment during installation
Electrical StatorLong rides, high electrical demandCopper windings (IEC 60284) ▲
(Power output: 12V/120W vs 100W standard)
Reliable ignition performance, supports additional accessories (e.g., lights)Slightly bulkier than aluminum alternatives

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