2026 DENAGO MX3 140cc - D10521

The MX3 sits atop our MX line of dirt bikes. It’s built around the same rugged frame as the MX2 – a medium-size chassis suitable for teenagers and adults to use on a wide variety of terrains – but is upgraded with a more powerful engine for maximum performance. At its heart is a 140cc OHC engine, which is capable of ripping up motocross tracks or simply enjoyed as a high-performance trail bike.

Features
• 140cc overhead-cam 4-stroke engine w/ auxiliary oil-cooler
• Manual clutch with 4-speed transmission
• Stainless-steel exhaust with carbon muffler cap
• Inverted fork with damping adjustability
• Monoshock with preload and damping adjustability
• Hydraulic disc brakes
• Folding and adjustable levers
• CNC-machined aluminum components
• Aluminum folding shift lever
• Color-matched comfort grips
• EPA and CARB compliant

All units are plus tax, freight/setup.

6 Month Parts Warranty. Additional Warranty Programs available

Destination

Covers the cost to transport the unit from the manufacturer to the dealership
Includes crating, shipping, fuel surcharges, and logistics handling

Assembly / PDI

Uncrating the unit
Professional assembly (specialty tools required)
Fluids, battery install, torque checks
Safety inspection and test run
This ensures your bike/ATV/SxS is safe, inspected, and warrantied correctly
Manufacturers require proper setup for the warranty to be valid