Naked bike · 2025

Yz250 Monster Energy Edition

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Technical Overview

2025 Yamaha Yz250 Monster Energy Edition Technical Analysis & Specification Breakdown

At the heart of the 2025 Yamaha Yz250 Monster Energy Edition naked motorcycle, Yamaha features a 249 cc engine configuration. Internal engine geometry specifies a bore and stroke of 66.4mm × 72.0mm with a 8.9~10.6:1 compression ratio.

On the scales, the Yz250 Monster Energy Edition measures 227 kg (500 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 38 mm (1.5 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 58 mm (2.3 in) wheelbase engineered for quick, flickable steering geometry. The 1.8-liter (0.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Standover Height

38 mm (1.5 in)

Engine

Displacement 249 cc

Engine Details 249cc liquid-cooled 2-stroke; reed-valve inducted

Compression 8.9~10.6:1

Bore x Stroke 66.4mm × 72.0mm

Transmission

Gearbox Constant-mesh 5-speed; multiplate wet clutch

Final Drive Chain

Chassis

Trail 4.8 in

Wheelbase 58.5 in

Ground Clearance 14.2 in

Dimensions & Weight

Weight incl. 227 lb

Seat Height 38.4 in

Fuel Capacity 1.8 gal

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Seat Height

Check the seat height against your inseam and riding posture before choosing a motorcycle.

Fuel Capacity

Fuel capacity helps estimate touring range and how often you may need to stop.

Transmission

Transmission and final drive affect maintenance, smoothness and everyday usability.

Rider Profile

Who Is This Bike For?

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Best For

City & Weekend Rides

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