Hasegawa 21770 - 1:12 Yamaha RZ250 4L3 YSP w/Cowl 1982

Plastic model kit of the Yamaha RZ250 4L3 YSP (1982)

Hasegawa 21770 in 1:12 scale represents the Yamaha RZ250 4L3 in its 1982 YSP version with cowl. This lightweight sport motorcycle gained great popularity thanks to its powerful two-stroke engine and aggressive styling. The kit captures the bike’s characteristic details with accuracy, making it a perfect choice for motorcycle enthusiasts and scale modelers.

Model specifications:

• Scale: 1:12
• Model length: approx. 17 cm
• Manufacturer: Hasegawa
• Skill level: beginner / intermediate

Note: Glue, paints and modeling tools are not included. The kit is intended for self-assembly.

Model building:

The kit includes detailed parts of the frame, two-stroke engine, exhaust system, wheels and cowl. Authentic decals are provided for factory markings. With well-fitting parts and clear instructions, the kit is suitable both for beginner and more advanced builders.

Recommended tools:

• Modeling knife or sprue cutters
• Files or sanding sticks
• Brushes and/or airbrush
• Plastic glue
• Paints matching Yamaha’s early 1980s schemes
• Optional cyanoacrylate glue for fine details

About the Yamaha RZ250 4L3:

The Yamaha RZ250 (designation 4L3) debuted in 1980 and quickly became a popular choice for riders seeking sporty performance in a lightweight package. Powered by a 247 cc two-stroke twin producing around 35 hp, it could reach a top speed of about 160 km/h. The YSP version with cowl offered improved aerodynamics and a more aggressive look, making it a favorite among enthusiasts. Today, the RZ250 is regarded as a cult classic of the two-stroke era.

Technical data of the original:

• Manufacturer: Yamaha Motor Co. (Japan)
• Engine: 2-cylinder inline, 2-stroke, 247 cc
• Maximum power: approx. 35 hp
• Weight: approx. 145 kg
• Top speed: approx. 160 km/h
• Brakes: disc brakes
• Production period: 1980–1982

Hasegawa – plastic model manufacturer

Hasegawa is a Japanese model kit manufacturer recognized for precision and high-quality molding. Their 1:12 motorcycle kits allow enthusiasts to recreate legendary machines like the Yamaha RZ250, a symbol of the two-stroke sport bike era of the 1980s.