What is the engine displacement of the 2005 Yamaha YZ 125?

The 2005 Yamaha YZ 125 has an engine displacement of 124.00 ccm (7.57 cubic inches).

What is the seat height of the 2005 Yamaha YZ 125?

The 2005 Yamaha YZ 125 has a seat height of 993 mm (39.1 inches) If adjustable, lowest setting..

2005 Yamaha YZ 125 Price, Specs, Review

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Review

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The 2005 Yamaha YZ125 holds a significant place in the motocross world, representing a refined iteration of Yamaha's long-standing 125cc two-stroke lineage. This model year continued to build on a reputation for agility and competitive power, facing off directly against rivals such as the Kawasaki KX125 and the Honda CR125R in the fiercely contested 125cc motocross class. For aspiring racers and seasoned riders alike, the YZ125 offered a compelling package designed for the dirt.

At its core, the 2005 YZ125 is powered by a 124.00 ccm (7.57 cubic inches) single-cylinder, two-stroke engine. This classic two-stroke configuration is renowned for its snappy power delivery and lightweight construction, making it ideal for aggressive riding on motocross tracks. Fuel capacity stands at 7.94 litres (2.10 gallons), providing ample range for multiple motos or extended practice sessions. The engine's characteristics demand precise throttle control and gear selection, rewarding riders who master its high-revving nature with rapid acceleration.

Riding the 2005 YZ125 offers a distinct motocross experience. With a seat height of 993 mm (39.1 inches) (if adjustable, lowest setting), it provides a commanding position over the bike, crucial for navigating jumps and whoops. This motocross category machine is built for aggressive handling, featuring suspension components designed to absorb significant impacts and maintain traction on varied terrain. The overall chassis balance and rider triangle promote an active riding style, allowing riders to shift their weight effectively to influence steering and control through corners.

The 2005 Yamaha YZ125 is primarily aimed at competitive motocross riders, from youth transitioning to full-size bikes to experienced racers seeking the raw, engaging feel of a two-stroke. Its lightweight and potent engine make it a formidable tool for those looking to hone their skills and compete at local or national levels. For anyone passionate about pure motocross action and the unique thrill of a high-performance two-stroke, the YZ125 from 2005 remains a respected and capable choice.

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Pros (Advantages)

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✅ Why buy this bike?

The Yamaha YZ 125 2005 is known for its lightweight and nimble handling, making it easy to maneuver on the track or trails.
It features a powerful 125cc two-stroke engine that delivers excellent performance and acceleration, perfect for motocross and off-road riding.
The bike has a reputation for being reliable and durable, requiring minimal maintenance when properly cared for.
The YZ 125 2005 has a well-tuned suspension system, providing a smooth and controlled ride over rough terrain.
It is a popular choice among riders of all skill levels, from beginners to seasoned professionals, due to its balanced combination of power and agility.

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Cons (Disadvantages)

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⚠️ Things to consider

Limited power output compared to larger displacement bikes, may struggle with hill climbs or heavier riders.
High maintenance requirements, frequent top-end rebuilds necessary to keep the engine running at peak performance.
Stiffer suspension setup may result in a harsh ride on rough terrain or longer rides.
Smaller fuel tank capacity may require more frequent stops for refueling on longer rides.
Lack of modern features such as electric start or fuel injection found on newer models, may be less convenient for some riders.

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Alternatives

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⚖️ Comparison & Competition

Honda CR125R: The Honda CR125R is a popular choice among motocross enthusiasts, known for its smooth power delivery and nimble handling.
KTM 125 SX: The KTM 125 SX is a high-performance two-stroke motocross bike with impressive power and top-notch suspension components.
Suzuki RM125: The Suzuki RM125 is a lightweight and agile motocross bike that offers a good balance of power and handling for riders of all skill levels.
Kawasaki KX125: The Kawasaki KX125 is a reliable and durable motocross bike with a strong engine and solid chassis, ideal for riders looking for a competitive edge on the track.
Husqvarna TC125: The Husqvarna TC125 is a top-tier motocross bike with race-ready components and exceptional handling, perfect for riders seeking a podium finish

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License Class (EU)

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Rule of thumb: under 125cc / 15HP → A1, under 47HP → A2, above → A.

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Fuel Economy & Running Costs

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Estimated average for 124cc class: 75-100 mpg (2.5-3.5 L/100km)

⛽ Tank: 7.94 litres (2.10 gallons)

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Insurance Class

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