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  • Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine
  • Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine
  • Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine
  • Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine
  • Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine
  • Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine
Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine

Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine

  • >= 30 Pieces
    $125.50

Customization:

Customized packaging（Min.Order: 50 pieces）
Graphic customization（Min.Order: 50 pieces）
Customized logo（Min.Order: 50 pieces）
View product details

Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Performance Power Delivery: The Engine Parts Performance Racing Assembly delivers robust power output in 50cc, 70cc, and 90cc configurations, optimized for pocket quad dirt bikes. The aluminum engine body ensures lightweight durability while maximizing efficiency.
  • Modular Design: Includes essential components like a throttle body, wiring harness, exhaust manifold, and kickstand, enabling seamless integration into motorcycles for enhanced performance and customization.

Key features

  • 1. Lightweight Aluminum Construction

    • With a corrosion-resistant aluminum engine body, you can achieve a 30% weight reduction compared to cast-iron alternatives*, enabling enhanced agility and fuel efficiency for high-performance racing.

  • 2. Modular Design for Customization

    • With a pre-assembled wiring harness and throttle body, you can seamlessly integrate the engine into pocket quad or dirt bike builds, offering 50% faster installation than non-modular systems*.

  • 3. High-Performance Output

    • With a robust 49cc displacement (compatible with 50cc/70cc/90cc setups), you can deliver rapid acceleration and sustained power for off-road racing, outperforming standard street-legal engines in torque output*.

  • 4. Versatile Off-Road Adaptability

    • With a rugged exhaust manifold and polished finish, you can ensure reliable operation in harsh terrain, designed for continuous use in dirt biking scenarios compared to casual-use engines*.

  • 5. Engineered to Industry Standards

    • With materials compliant with safety and emissions regulations, you can meet certification requirements for recreational vehicles, ensuring peace of mind for enthusiasts and professionals alike.

Product details

Engine Parts Performance Racing 50cc 70cc 90cc Assembly Motor Pocket Quad Dirt Bike Stroke Engine

The Engine Parts Performance Racing Assembly is a high-performance engine kit designed for pocket quad, dirt bike, and off-road applications. Crafted from lightweight aluminum, this modular engine system includes critical components like a throttle body, wiring harness, and exhaust manifold, ensuring seamless integration into racing or utility vehicles.

Technical specifications

FeatureSpecificationApplication Scenario
MaterialAluminum alloy (lightweight, corrosion-resistant)Ideal for performance-oriented vehicles requiring durability and low weight
Displacement49cc (expandable to 70cc/90cc via modular design)Powers pocket quads, dirt bikes, and mini off-road vehicles
DesignPolished finish with robust mounting pointsModern aesthetic and rugged construction for racing or utility use
Components IncludedThrottle body, wiring harness, exhaust manifoldFull assembly compatibility for quick installation

Customization guide

Adjustable displacement options (49cc → 70cc/90cc) and modular component compatibility allow customization to meet specific power requirements, vehicle weight limits, or terrain demands.

Get inspired

With its lightweight aluminum build and modular design, this engine assembly empowers riders to optimize performance for racing, trail riding, or utility tasks. Whether upgrading an existing vehicle or building from scratch, the kit’s versatility ensures adaptability to diverse needs.

Choose your model

ParameterBase Model (49cc)Advanced Model (70cc)Pro Model (90cc)
Displacement49cc+43% (70cc)+84% (90cc)*
Weight8.5kgLightweight (+10% less)Ultra-light (+20% less than base)
Max RPM8,500 RPM9,200 RPM10,000 RPM
Torque0.8 Nm+25% (1.0 Nm)+50% (1.2 Nm)

Supplier's note

  1. Technical Breakthroughs:

    • Aluminum Construction: 20% lighter than traditional steel engines, reducing vehicle weight for improved acceleration.
    • Modular Design: Swappable components (e.g., throttle body, displacement modules) enable rapid customization for specific use cases.
    • High RPM Tolerance: The Pro Model’s 10,000 RPM rating exceeds industry benchmarks, ideal for high-speed racing.

  2. Version Selection Guide:

    • Base Model: Best for entry-level riders or lightweight vehicles (e.g., mini quads) prioritizing affordability and reliability.
    • Advanced Model: Targets mid-range performance needs, offering 43% more displacement than the base for trail riding or light racing.
    • Pro Model: Designed for professional racers or heavy-duty applications. Its 90cc displacement and 10,000 RPM capability deliver unmatched power, paired with ultra-lightweight materials to enhance agility.

Example: With the Pro Model’s 1.2 Nm torque, you can tackle steep off-road terrain more effectively than competitors’ engines. Its aluminum alloy construction ensures durability even under extreme conditions.

Frequently asked questions

  • Which motorcycle engine model suits small pocket quad dirt bikes for off-road use?

  • How do I clean the throttle body on a 50cc dirt bike engine assembly?

  • What are the advantages of aluminum vs steel motorcycle engines for dirt bikes?

  • Can I customize the engine assembly for a specific dirt bike frame?

  • Is the 49cc engine assembly compliant with off-road vehicle safety standards?

  • How easy is it to install the wiring harness on a 90cc dirt bike engine?

  • What makes the 50cc engine suitable for high-performance dirt bike racing?

  • How long does the 70cc engine assembly typically last with regular maintenance?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Engine DisplacementEntry-level dirt bikes, pocket quadsIndustry: 50ccBase: 49cc (ISO 8178)Advanced: 90cc▲▲ (ISO 8178)
Power OutputHigh-speed off-road ridingIndustry: 4.5 hp (SAE J1995)Base: 4.2 hpAdvanced: 8 hp▲▲ (SAE J1995)
TorqueTraction on rough terrainIndustry: 2.1 Nm (ISO 14396)Base: 2.0 NmAdvanced: 4.5 Nm▲▲ (ISO 14396)
WeightUrban commuting, compact vehiclesIndustry: 12 kg (ISO 3833)Base: 11.5 kg▲ (lightweight alloy)Advanced: 14 kg (durable steel)
Noise LevelResidential areas, city ridingIndustry: 85 dBA (OSHA)Base: 82 dBA▲ (quieter than competitors)Advanced: 88 dBA
Fuel EfficiencyLong-distance touring, endurance racingIndustry: 50 km/L (ISO 8217)Base: 55 km/L▲ (optimized combustion)Advanced: 40 km/L

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