Sport · 2025

YZF R3

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MotoLibrary Score

41 /100 Commuter

Power

41 HP

Engine

321 ccm

Technical Overview

2025 Yamaha YZF R3 Technical Analysis & Specification Breakdown

Positioned in Yamaha's sport motorcycle lineup, the 2025 Yamaha YZF R3 utilizes a 321 cc engine layout. Internal engine geometry specifies a bore and stroke of 68.0mm x 44.1mm with a 11.2:1 compression ratio.

On the scales, the YZF R3 measures 373 kg (822 lbs) wet (curb). Rider ergonomics and chassis geometry center around a 30 mm (1.2 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 54 mm (2.1 in) wheelbase engineered for quick, flickable steering geometry. The 3.7-liter (1 US gal) fuel tank supports practical everyday commuting and weekend road stints.

Standover Height

30 mm (1.2 in)

Engine

Displacement 321 cc

Engine Details 321cc liquid-cooled, 4-stroke, DOHC inline twin-cylinder; 4-valves per cylinder

Power 30.9 kW

Compression 11.2:1

Bore x Stroke 68.0mm x 44.1mm

Ignition TCI / Electric

Lubrication Wet sump

Transmission

Gearbox 6-speed; multiplate wet clutch; with Assist & Slipper clutch

Final Drive Chain

Chassis

Trail 3.7 in

Wheelbase 54.3 in

Ground Clearance 6.3 in

Dimensions & Weight

Weight incl. 373 lb

Seat Height 30.7 in

Fuel Capacity 3.7 gal

Other

Starter TCI / Electric

Before You Compare This Bike

Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.

Power

Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.

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?

🟢

Beginner

A2 license compatible, manageable power.

🏁

Best For

Sport & Track

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