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Suzuki RM-Z250 2024 Parts & Accessories

Introduced in 2004, the Suzuki RM-Z250 debuted as Suzuki's first production four-stroke motocross motorcycle. Developed initially through the Kawasaki-Suzuki manufacturing alliance (sharing its platform with the original Kawasaki KX250F), the first generation featured a steel perimeter frame, titanium valves, and magnesium engine covers. Suzuki completely took over individual development for the 2007 redesign, introducing an all-new in-house 249 cc engine and a twin-spar aluminum frame. The model reached another milestone in 2010 by adopting Keihin battery-less electronic fuel injection (EFI) with plug-in coupler mapping. Subsequent overhauls introduced advanced electronics—including Suzuki Holeshot Assist Control (S-HAC), dual-injector fuel delivery, KYB coil-spring suspension, and revised chassis geometry—solidifying the RM-Z250's reputation for class-leading cornering precision.

• 249 cc liquid-cooled DOHC 4-valve 4-stroke single-cylinder engine with titanium valves and SCEM cylinder plating
• Power & Torque: ~43 HP @ 11,000 RPM and 28.7 Nm torque @ 8,500 RPM (first generation)
• Induction System: Keihin FCR37 carburetor (2004–2009) or Keihin 44 mm Electronic Fuel Injection with dual injectors and plug-in fuel couplers (2010–present)
• Electronics: Suzuki Holeshot Assist Control (S-HAC) launch control and multi-mode traction management system
• Chassis Architecture: Steel double-cradle frame (2004–2006) evolving to lightweight twin-spar aluminum main frame (2007–present) with removable subframe
• Front Suspension: 47 mm/48 mm Showa or KYB inverted telescopic coil-spring front forks (48 mm KYB AOS units on modern models), fully adjustable for compression and rebound damping
• Rear Suspension: Link-type single shock absorber (Showa/KYB), fully adjustable for spring preload, high/low-speed compression, and rebound damping
• Braking System: Single 250 mm to 270 mm wave-style front hydraulic disc brake with 2-piston caliper and single 240 mm rear hydraulic disc brake with single-piston caliper
• Transmission & Drivetrain: 5-speed constant-mesh manual transmission with cable-actuated wet multi-plate clutch and 520 chain drive
• Wheels & Tires: 80/100-21 front and 100/90-19 rear knobby motocross tires mounted on RK Excel aluminum rims
• Dimensions & Mass: 955 mm (37.6 in) seat height; dry weight of 92.5 kg (204 lbs) (carbureted era) / wet curb weight of ~106 kg (233–237 lbs) (modern EFI era) with a 6.3-litre (1.7 US gal) fuel tank capacity