88cc Stage 2 Big Bore Kit for Honda XR/CRF 50

★★★★★ 4.8 74 reviews

US$80.32
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US$80.32
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Free shipping Free 30-day returns

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Product details

Management number 241279877 Release Date 2026/07/17 List Price US$80.32 Model Number 241279877
Category

Unleash Your Honda XR/CRF 50's Potential with the Stage 2 88cc Big Bore Kit

Upgrade your Honda XR50 or CRF50 from 1988 and newer with the Stage 2 88cc Big Bore Kit. This comprehensive kit is engineered to significantly boost your engine's performance, delivering approximately double the horsepower of a stock motor. Experience thrilling acceleration and enhanced power for an exhilarating ride.

88cc
Displacement
Aluminum
Cylinder Material
52mm
Piston Diameter
Pump Gas
Fuel Compatible

What’s in the Box

88cc Lightweight Aluminum Cylinder
Features oversized cooling fins for efficient heat dissipation and cast-in mounts for aftermarket skid plates.
High Compression 52mm Piston Kit
Includes rings, pin, and clips. Capable of running on pump gas.
20mm Performance Carburetor Assembly
Complete kit with intake, heatstop, gaskets, hardware, air filter, and long throttle cable.
Performance Camshaft
Engineered for increased valve lift and duration.
Head Gasket Kit
Includes all necessary gaskets for installation.


Why Riders Upgrade

🚀
Massive Power Gains
Achieve approximately double the stock horsepower for a thrilling performance boost.
⚙️
Complete Kit Included
Comes with a high-performance carburetor, camshaft, piston kit, and all necessary gaskets for a comprehensive upgrade.
💨
Efficient Cooling
The aluminum cylinder features oversized cooling fins to ensure optimal heat dissipation and engine longevity.
🛠️
Pump Gas Compatible
The high-compression piston is designed to run on readily available pump gas, offering convenience without sacrificing performance.
In Stock & Ready To Ship

Processing: Packed with care before shipment

Tracking: Sent when shipped

Confirmation: Sent after checkout

Although rare, some delays may occur. We’ll keep you updated every step of the way.

Big Bore Kit vs. Stock Honda XR/CRF 50

STOCK HONDA XR/CRF 50
Limited power output
Standard acceleration
Less efficient cooling
Basic carburetor system
Requires frequent revving for speed
⚡ 88cc STAGE 2 BIG BORE KIT
Significant Power Increase
Improved Acceleration & Torque
Enhanced Cooling Efficiency
Performance Carburetor Included
Pump Gas Compatible

Common Questions

Does this kit require premium fuel?
No, the high-compression piston is designed to run on standard pump gas.

What is the horsepower gain?
This kit approximately doubles the horsepower of a stock Honda XR/CRF 50 engine.

Is an oil pump upgrade recommended?
Yes, a high volume oil pump is recommended and can be installed during the bore kit installation for optimal engine health.

What is included in the carburetor assembly?
The assembly includes the 20mm carburetor, intake, heatstop, gaskets, mounting hardware/wrench, air filter, and a long throttle cable.

🛠️
Expert Support
Customer Favorite
🏆
Quality Guaranteed
📦
Secure Packaging

What Riders Are Saying

Massive difference in power after installing this kit. My XR50 is now twice as fun to ride! Highly recommend for anyone looking for more performance.
— John D., California
The installation was straightforward and the included carburetor made tuning a breeze. The power increase is exactly what I was looking for. Great value for the performance gains.
— Sarah K., Texas

Ready to Double Your Horsepower?

Transform your Honda XR/CRF 50 with the Stage 2 88cc Big Bore Kit.

Elevate your off-road experience today.

Vehicle Fitment

Honda CRF50
Honda XR50

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4.8 out of 5
★★★★★
74 ratings | 30 reviews
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