Name: 88cc Stage 1 Big Bore Kit for Honda Z50, XR50 & CRF50
Brand: R1 Industries
SKU: 88cc-stage-1-big-bore-kit-for-honda-z50-xr50-and-crf50-1
Availability: InStock

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88cc Stage 1 Big Bore Kit for Honda Z50, XR50 & CRF50

$46.11

Original: $131.75

-65%

88cc Stage 1 Big Bore Kit for Honda Z50, XR50 & CRF50—

$131.75

$46.11

Original: $131.75

-65%

88cc Stage 1 Big Bore Kit for Honda Z50, XR50 & CRF50—

$131.75

$46.11

The Story

Description Vehicle Fitment

Unleash More Power with the 50 Caliber Racing 88cc Stage 1 Big Bore Kit

Engineered for riders seeking a significant yet affordable power upgrade for their Honda Z50, XR50, and CRF50, this 88cc Stage 1 Big Bore kit is your gateway to enhanced performance. Designed with premium materials and thoughtful features, it offers a substantial boost over stock, making trail rides more exhilarating and demanding terrains more conquerable. Installation is straightforward, perfect for DIY enthusiasts with basic mechanical aptitude.

What’s in the Box

✓ 88cc Big Bore Kit (52mm bore)

Lightweight aluminum cylinder with steel sleeve

✓ 52mm High Compression Piston Kit

Includes piston, rings, pin, and clips. Pump gas compatible.

✓ Head Gasket Kit

All necessary gaskets for installation.

Why Riders Upgrade

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Significant Power Increase
Experience a noticeable boost in horsepower and torque over stock engines, making your rides more dynamic.

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Enhanced Cooling Efficiency
Features oversized cooling fins and a lightweight aluminum cylinder designed for optimal heat dissipation and engine longevity.

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Affordable Performance Upgrade
A cost-effective solution to dramatically improve your engine's performance without breaking the bank.

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DIY Friendly Installation
Designed for straightforward installation, making it an accessible upgrade for riders with basic mechanical skills.

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 Engine

STOCK 50cc ENGINE

✗ Limited horsepower output
✗ Slower acceleration
✗ Struggles on inclines
✗ Less thrilling ride experience
✗ Requires high RPMs for moderate speed

⚡ 88cc STAGE 1 BIG BORE

✓ Significant horsepower gain
✓ Improved acceleration
✓ Easier climbing on hills
✓ More exciting performance
✓ Better power band utilization

Common Questions

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

What is the recommended bore size?
The kit features a 52mm bore, resulting in an 88cc displacement.

Is a high-volume oil pump necessary?
A high-volume oil pump is recommended to ensure adequate lubrication and longevity for the upgraded engine components.

What skill level is needed for installation?
Basic mechanical skills and comfort with tools are sufficient for installation.

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Expert Support

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Customer Favorite

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Secure Checkout

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Tracked Shipping

What Riders Are Saying

This kit made a huge difference in my CRF50. It has so much more power now, especially on hills! Installation was straightforward. Highly recommend for anyone wanting to boost their little bike.
— John S., California

Great bang for the buck! My old Z50 feels like a new machine. The power increase is noticeable and makes riding much more fun. It was a simple bolt-on upgrade that transformed the bike.
— Mike R., Texas

Upgrade Your Ride Today!

Transform your Honda Z50, XR50, or CRF50 with this performance-boosting 88cc Big Bore Kit.

Add more power and excitement to your adventures.