The 1996-2008 Suzuki RM250 is a legendary two-stroke motocross bike renowned for its agility, powerful engine, and exceptional handling. Over its production years, the RM250 earned a reputation as one of the best-handling bikes in the 250cc two-stroke class, making it a favorite among motocross racers and off-road enthusiasts.

General Overview

• Category: Motocross / Off-road
• Production Years: 1996-2008
• Engine Type: Two-stroke single-cylinder
• Reputation: Known for its sharp handling, lightweight frame, and competitive performance, the RM250 was a force to be reckoned with on motocross tracks.

Engine and Performance

• Displacement: 249 cc
• Cooling System: Liquid-cooled, ensuring consistent performance even in demanding conditions.
• Bore x Stroke: 66.4 mm x 72.0 mm
• Compression Ratio: Approximately 8.8:1, varying slightly by model year.
• Carburetor: Mikuni TMX 38 mm, delivering crisp throttle response and excellent fueling.
• Horsepower: Approximately 45 HP, making it competitive in its class.
• Power Valve: Suzuki Advanced Power Valve System (SAPVS), designed to enhance low- and mid-range power while maintaining strong top-end performance.
• Powerband: Known for its aggressive mid-to-top-end performance, with manageable low-end torque for technical sections.

Drivetrain

• Transmission: 5-speed manual gearbox with close ratios for motocross racing.
• Clutch: Multi-plate wet clutch, offering smooth and consistent engagement.
• Final Drive: Chain drive for durability and straightforward maintenance.

Chassis and Suspension

• Frame:
  • 1996-2000: Steel frame with great durability and flexibility.
  • 2001 onward: Aluminum twin-spar frame for reduced weight and increased rigidity, improving handling and overall performance.
• Front Suspension:
  • Showa inverted cartridge forks.
  • Fully adjustable for rebound and compression damping.
  • Travel: Approximately 12.2 inches.
• Rear Suspension:
  • Showa shock with Suzuki’s Full Floater linkage system.
  • Fully adjustable for preload, rebound, and compression damping.
  • Travel: Around 12.4 inches.
• Handling: Renowned for its precise and nimble handling, especially in corners and technical sections.

Brakes and Wheels

• Front Brakes: Single 250 mm hydraulic disc brake with a dual-piston caliper for strong and consistent stopping power.
• Rear Brakes: Single 240 mm hydraulic disc brake with a single-piston caliper.
• Tires: 21-inch front and 19-inch rear knobby tires, optimized for motocross and off-road traction.

Dimensions and Weight

• Seat Height: Approximately 37.6 inches, suitable for taller riders and motocross use.
• Ground Clearance: Around 13.2 inches, ideal for navigating obstacles on the track.
• Dry Weight:
  • Steel frame models (1996-2000): Approximately 230 lbs.
  • Aluminum frame models (2001-2008): Reduced to around 226 lbs.
• Fuel Capacity: 2.1 gallons, typical for motocross bikes.

Key Updates by Era

1. 1996-2000 (Steel Frame Era):
   • Durable steel frame with excellent flexibility and forgiving handling.
   • SAPVS refined for better low-end and mid-range power.
   • Strong suspension setup with Showa components.
2. 2001-2004 (Aluminum Frame Introduction):
   • Switch to an aluminum frame for reduced weight and improved rigidity.
   • Revised suspension settings for better high-speed stability.
   • Ergonomic improvements for rider comfort and control.
3. 2005-2008 (Final Years):
   • Minor refinements to the frame and suspension.
   • Improved engine tuning for a smoother power delivery.
   • Updated styling and graphics to modernize its appearance.

Features

• Durability: Built with rugged components to withstand the rigors of motocross racing.
• Ergonomics: Slim and compact design for easy rider movement and control.
• Aftermarket Support: Strong aftermarket community for performance upgrades and replacement parts.
• Maintenance: Simple two-stroke design makes it easy to rebuild and maintain.

Pros

• Lightweight and nimble, offering excellent handling in tight corners and technical sections.
• Powerful two-stroke engine with a broad and competitive powerband.
• High-quality suspension components for excellent performance on rough terrain and jumps.
• Reliable and durable with proper maintenance.
• Strong aftermarket support for modifications and upgrades.

Cons

• Requires regular maintenance, including top-end rebuilds typical of two-stroke engines.
• Vibrations can be noticeable, especially at high RPMs.
• Lacks the low-end grunt of modern four-stroke motocross bikes.
• Discontinued after 2008, making OEM parts less available over time.

Riding Experience

• The RM250 offers a thrilling and responsive ride, excelling in motocross tracks and off-road environments.
• Its precise handling and strong mid-to-top-end power make it ideal for experienced riders seeking aggressive performance.
• The bike’s lightweight design makes it forgiving and fun to ride, even for intermediate riders.

Legacy

• The Suzuki RM250 is considered one of the greatest two-stroke motocross bikes ever produced.
• Its sharp handling and competitive performance earned it numerous championships and a loyal following among two-stroke enthusiasts.
• Even after production ended in 2008, the RM250 remains a favorite for riders and collectors, with many using it in vintage and amateur racing.

If you're maintaining or restoring a Suzuki RM250, the strong aftermarket support and simple design ensure it’s a viable and rewarding project. Its legacy as a lightweight, powerful, and race-ready machine ensures its place in motocross history.