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Motocross Bikes

2022Yamaha YZ125

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The 2022 Yamaha YZ125 is a lightweight two-stroke motocross machine designed for beginner to intermediate riders and junior competitors. Known for its responsive reed-valve engine, crisp power delivery, and nimble handling, it excels in technical terrain and serves as an ideal platform for developing advanced riding skills.

Capacity
125.0 ccm
Engine
Single, two-stroke
Gearbox
6-speed
Dry weight
86.2 kg
Seat height
975 mm
Power
Not on record
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What’s new for the 2022 Yamaha YZ125

vs the 2021
Spec20212022
Fuel capacity 8.00 litres (2.11 US gallons) 6.80 litres (1.80 US gallons)
Other years 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 51Agility 92Comfort 30Off-road 97Touring 10Road manners 15
Off-road & trail97%
Cornering90%
City riding5%
Daily riding5%
Touring5%
Two-up0%
Track85%
Best for
Built purely for motocross racing and aggressive trail riding, not for commuting, road use, or casual leisure riding.
Built for
A raw, high-revving 2-stroke racer that rewards precise clutch and throttle control with explosive acceleration and razor-sharp handling on dirt.
Not ideal for
Not for beginners, road riders, passengers, or anyone wanting comfort, storage, or long-distance capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 975mm, a rider of 175cm with a 79cm (estimated) inseam will not reach the ground comfortably on the 2022 Yamaha YZ125, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

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Full specifications

Engine
Capacity
125.0 ccm
Engine type
Single, two-stroke
Bore x stroke
54.0 x 54.5 mm
Compression
10.7:1
Cooling system
Liquid
Fuel system
Carburettor
Starting
Kick
Ignition
CDI
Lubrication system
Premix
Spark plugs
NGK BR9EVX, NGK BR9EIX
Power
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Multiplate wet clutch
Dimensions & weight
Wheelbase
1445 mm
Overall length
2136 mm
Overall width
826 mm
Overall height
1295 mm
Seat height
975 mm
Dry weight
86.2 kg
Wet weight
94.8 kg
Fuel capacity
6.80 litres
Ground clearance
366 mm
Oil capacity
0.70 litres
Chassis & suspension
Frame
Aluminum semi-double cradle
Front suspension
KYB® Speed-Sensitive System inverted fork; fully adjustable
Rear suspension
KYB® single shock; fully adjustable
Front wheel travel
300 mm
Rear wheel travel
315 mm
Rake (fork angle)
26.0°
Trail
109 mm
Fork tube size
48 mm
Brakes & wheels
Front brakes
Single disc. Hydraulic.
Front brakes diameter
270 mm
Rear brakes
Single disc. Hydraulic.
Rear brakes diameter
245 mm
Front tyre
80/100-21
Rear tyre
100/90-19
Tire pressure front
15 PSI (1 Bar or 100 kPa)
Tire pressure rear
15 PSI (1 Bar or 100 kPa)
Other
Color options
Team Yamaha Blue
Modifications compared to previous model
Redesigned engine.

Specs last verified against published sources: .

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

What changed, year to year

Differences highlighted
Specification 200220082015202120222027
Capacity 124 cc 124 cc 125 cc 125 cc 125 cc 125 cc
Dry weight 88 kg 86 kg 86 kg 86 kg 86 kg 86 kg
Seat height 994 mm 998 mm 975 mm 975 mm 975 mm 980 mm
Fuel capacity 7.9 L 7.9 L 8 L 8 L 6.8 L 6.8 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

The 2022 Yamaha YZ125 is a top-of-the-line motocross bike that is sure to impress riders of all skill levels. With a powerful 125cc two-stroke engine, this bike delivers excellent acceleration and agility, making it perfect for navigating tight corners and challenging terrain. The YZ125 also features a sleek and modern design, with sharp graphics and Yamaha's signature blue and white color scheme. Additionally, its lightweight frame and responsive suspension provide a smooth and comfortable ride, allowing riders to push their limits and tackle any obstacle with confidence.

Overall, the 2022 Yamaha YZ125 is a fantastic choice for anyone looking for a high-performing and stylish motocross bike. Its impressive power, agile handling, and durable construction make it a standout option in the competitive motocross market. Whether you're a seasoned pro or a novice rider, the YZ125 offers a thrilling and rewarding experience on the track. So, if you're in the market for a new motocross bike, be sure to consider the 2022 Yamaha YZ125 for its impressive performance and eye-catching design.

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Common questions

What is the engine size of the Yamaha YZ125?

The 2022 Yamaha YZ125 has a Capacity of 125.0 ccm (7.63 cubic inches).

How many gears does the Yamaha YZ125 have?

The 2022 Yamaha YZ125 has a Gearbox of 6-speed.

How much does the Yamaha YZ125 weigh?

The 2022 Yamaha YZ125 has a Dry weight of 86.2 kg (190.0 pounds).

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