CILOYU Mini Bike Jackshaft Assembly Cover Kit with 420 Chain | Compatible with Coleman CT200U, Axis M200, Baja Warrior

Overview

Upgrade your mini bike’s drivetrain with the CILOYU Mini Bike Jackshaft Assembly Cover Kit. This kit centers around a robust 420 chain system paired with dual sprockets, designed to support a broad range of popular mini bikes. Built for reliability, it helps you achieve smoother, more predictable operation on trails, in backyards, or during casual rides.

Durability and thoughtful design go hand in hand here. Premium-grade materials and a precisely engineered layout work together to help you maintain alignment and reduce the need for frequent adjustments. The setup is intended to integrate with common jackshaft configurations, helping you move from tearing down the chain to getting back on the ride with confidence.

Key features at a glance

• Fitment: Mini bike jackshaft plate kit compatible with Predator 196cc/200cc/212cc engines, Coleman CT200U series, Baja MB200, Axis M200, Realtre RT200, Massimo MB200, and more.
• Durable Construction: Premium-grade materials ensure longevity and steady performance under regular use.
• 8 mm Chain Tensioner: Maintains optimal chain tension for smoother operation and reduced wear on chain and sprockets.
• Smooth Transmission: Includes 42-link 420 chain, plus 10T and 20T jackshaft sprockets for balanced gear engagement.
• Mechanical Details: Jackshaft shaft diameter is 17 mm with a 5/8 inch thread; kit includes a 17 mm sprocket for proper fit.
• Package Contents: 1 jackshaft assembly, 1 chain tensioner, 1 42-link 420 chain, 1 10T sprocket, 1 20T sprocket, 1 chain breaker, 5 master links.

What you may experience

In real-world use, you might notice smoother chain engagement, steadier tension across uneven terrain, and fewer adjustments during regular maintenance. These observations describe potential benefits, not guarantees, and outcomes will vary with your bike setup and riding conditions.

Contents and compatibility

• What’s in the box: All necessary components for a complete jackshaft upgrade—jackshaft assembly, tensioner, chain, two sprockets, chain breaker, and master links.
• Compatibility notes: Designed to work with a wide range of mini bikes that use 420 chains and jackshaft configurations, including common Coleman, Baja, Axis, Massimo, Predator, and Realtre models.

Installation tips

Before installation, verify shaft dimensions and threading match your bike’s jackshaft. Maintain proper chain tension with the included tensioner, and follow standard safety procedures when working on the drivetrain.