All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier
Alibaba
Vehicle Parts & Accessories
Motorcycle Parts & Accessories
Motorcycle Frame & Body Parts
Other Motorcycle Body Systems
  • China Factory Custom XR 125 Performance Aftermarket Parts
  • China Factory Custom XR 125 Performance Aftermarket Parts
  • China Factory Custom XR 125 Performance Aftermarket Parts
China Factory Custom XR 125 Performance Aftermarket Parts

China Factory Custom XR 125 Performance Aftermarket Parts

$7.80-$18.80/ Set|300 Set/Sets(Min. Order)

Customization:

Customized logo（Min.Order: 300 pieces）
Customized packaging（Min.Order: 300 pieces）
Graphic customization（Min.Order: 300 pieces）
View product details

China Factory Custom XR 125 Performance Aftermarket Parts

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Power Conversion: Converts reciprocating piston motion into rotational power for internal combustion engines, critical for transmitting torque in motorcycles, small vehicles, or industrial machinery.
  • Performance Enhancement: Custom-designed steel crankshaft optimized for the XR 125 model, balancing durability and lightweight construction to improve engine efficiency and responsiveness.

Key features

  • 1. Material Technology

    • With a high-strength steel construction and bronze bearings, ensure exceptional durability and reduced friction compared to standard cast iron crankshafts*

  • 2. Interactive Design

    • With a user-friendly modular design, simplify installation and removal for faster engine maintenance*

  • 3. Performance Parameters

    • With optimized power transmission efficiency, handle up to 30% higher torque loads than OEM equivalents*

  • 4. Scenario Solutions

    • Designed for both maintenance replacement and performance tuning, adapt to engine repair or power enhancement needs in motorcycles and small engines.

  • 5. Certification Standards

    • Manufactured to comply with automotive industry standards for engine durability and safety*

Product details

China Factory Custom XR 125 Performance Aftermarket Parts

The China Factory Custom XR 125 Performance Aftermarket Crankshaft is a precision-engineered component designed to enhance power transmission and durability in single-cylinder engines. Crafted from high-strength steel with bronze bearings and a steel gear, this crankshaft converts piston motion into rotational energy efficiently. Its symmetrical design ensures balanced performance, while wear-resistant materials prolong service life.

Technical specifications

FeatureSpecificationBenefit
MaterialSteel (main body), Bronze (bearings)High strength and wear resistance
DesignSingle-cylinder crankshaft with gearOptimized for compact engine applications
BearingsDual main bronze bearingsReduces friction and supports load
GearSteel meshing gearEnsures reliable power transmission
DurabilitySurface-treated steelResists wear in high-stress environments

Customization guide

Adjustable parameters include:

  • Material Grade: Upgrade to alloy steel for lightweight performance tuning.
  • Journal Size: Customize bearing dimensions for specific engine tolerances.
  • Gear Profile: Modify tooth geometry for improved meshing efficiency.

Get inspired

Replace your worn crankshaft with this aftermarket part to restore engine efficiency. For performance enthusiasts, pairing it with lightweight materials or balanced journals can boost torque output.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
MaterialStandard steelAlloy steel (+15% strength)Forged steel (+30% strength)*
Weight4.2 kg3.8 kg (-10% lighter)3.4 kg (-20% lighter)
Torsional Strength550 Nm630 Nm (+15%)720 Nm (+30%)
Heat ResistanceStandardImproved (+50°C tolerance)Premium (+80°C tolerance)

Supplier's note

  1. Technical Breakthroughs:

    • Forged Steel (Pro Model): Triple the fatigue resistance of standard steel, enabling use in high-revving engines.
    • Alloy Composition (Advanced): 15% lighter than traditional steel, reducing rotational inertia for faster acceleration.
    • Enhanced Bearings: Bronze alloy reduces friction by 20% compared to baseline models, extending lifespan.

  2. Optimal Version Selection:

    • Base Model: Ideal for routine engine repairs or budget-conscious users needing reliable performance.
    • Advanced Model: Suited for off-road or high-torque applications where weight reduction and heat resistance matter.
    • Pro Model: Designed for racing or industrial use cases requiring extreme durability and power handling. With its forged steel construction, it can withstand continuous high-RPM operation without deformation.

*Performance gains relative to Base Model.

Frequently asked questions

  • Which XR 125 crankshaft model is best suited for high-torque motorcycle engines?

  • How do I clean and maintain the bearings of an XR 125 aftermarket crankshaft?

  • Why is steel preferred over aluminum for XR 125 crankshafts?

  • Can the XR 125 crankshaft be customized for racing performance?

  • What’s the recommended maintenance schedule for XR 125 crankshafts?

  • How does the gear design of the XR 125 crankshaft improve power transmission?

  • Are bronze bearings better than steel for XR 125 crankshafts?

  • Does the XR 125 crankshaft come with a wear-resistant coating?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material CompositionEngine rebuilds, high-stress applications- Industry Standard: Carbon Steel (ASTM A36)
- Our Base: High-Carbon Steel (ASTM A304)
- Our Advanced: Chromium-Molybdenum Alloy (ASTM A4140)		▲50% higher tensile strength (Advanced)
Cost-effective (Base)		Prone to corrosion (Standard)
Higher cost (Advanced)
Torsional StrengthHigh-performance racing engines- Industry Standard: 120 Nm (ISO 496)
- Our Base: 150 Nm (▲30% increase)
- Our Advanced: 180 Nm (▲50% increase)		▲50% torque resistance (Advanced)
Reliable for daily use (Base)		Risk of failure under extreme loads (Standard)
WeightLightweight racing builds- Industry Standard: 4.2 kg (ISO 3801)
- Our Base: 3.9 kg (▲7% lighter)
- Our Advanced: 3.5 kg (▲17% lighter)		▲17% weight reduction (Advanced)
Balances durability and weight (Base)		Sacrifices some durability (Advanced)
Wear ResistanceOff-road/industrial engines- Industry Standard: 500 hours (ASTM G65)
- Our Base: 800 hours (▲60% longer)
- Our Advanced: 1,200 hours (▲140% longer)		▲140% wear endurance (Advanced)
Moderate durability (Base)		Requires frequent replacement (Standard)
Vibration DampingLuxury/quiet engines- Industry Standard: 0.8 mm deflection (ISO 10816)
- Our Base: 0.5 mm (▲37% reduction)
- Our Advanced: 0.3 mm (▲62% reduction)		▲62% smoother operation (Advanced)
Reduces noise (Base)		Increased vibration causes component wear (Standard)
Thermal StabilityHigh-temperature engines- Industry Standard: 450°C (ASTM E8)
- Our Base: 500°C (▲11% improvement)
- Our Advanced: 550°C (▲22% improvement)		▲22% heat resistance (Advanced)
Safe for most engines (Base)		Melts at high RPM (Standard)

Related searches

power quality analyzer32 oz stainless steel water bottlelighting candle gift candle taperbody massage oil lotion candle massagethermal paper rolldisposable clear cupaerial work platformeyebrow kiosk nail kiosk beauty displayall wheel drive cargo truck truck3D wooden puzzle dollhouseportable LED lantern2000m laser distance metermeters laser rangefinderslasermiddle cut non-slip oil proof steelwelding rods aluminium welding rod weldingplastic handle screwdriver set screwdriver set

The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.

The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.

The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.