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Kawasaki KX250X 2025 Parts & Accessories

Introduced in 2021 as the cross-country counterpart to Kawasaki's flagship quarter-liter motocross bike, the Kawasaki KX250X is engineered specifically for off-road competition, including GNCC, hare scrambles, and high-speed woods racing. Built on the high-revving KX250 platform, the KX250X combines track-proven motocross performance with factory cross-country features, including an 18-inch rear wheel, off-road tires, specialized suspension valving, a side stand, and enhanced engine protection. Updated alongside the KX250 platform with an updated aluminum perimeter frame, revised DOHC cylinder head, dual-injector fuel injection system, electric start, and advanced electronic rider aids (KTRC traction control, selectable engine maps, and launch control), the KX250X delivers championship-winning power with optimized off-road control.

Key technical specifications and engineering features of the Kawasaki KX250X include:

• High-Revving 249 cc Engine: Liquid-cooled 249 cc DOHC 4-valve single-cylinder featuring finger-follower valve actuation, a single-shaft primary balancer, and a 14.0:1 compression ratio
• Dual-Injector Fuel Injection: Keihin 44 mm throttle body equipped with upstream and downstream dual injectors for immediate low-end throttle response and maximum high-rpm power delivery
• Advanced Race Electronics: Handlebar-mounted power mode selection (Normal / Aggressive), multi-level Kawasaki TRaction Control (KTRC), Launch Control Mode, and smartphone engine mapping integration
• Cross-Country Specific Chassis & Wheels: Lightweight aluminum perimeter frame paired with a 21-inch front and 18-inch rear wheel setup wrapped in Dunlop off-road tires, sealed chain, skid plate, and a side stand
• Race-Spec Suspension & Hydraulics: Showa 49 mm inverted coil-spring front fork, Uni-Trak rear shock linkage, coned-disc-spring hydraulic clutch, and Nissin petal disc brakes (270 mm front / 240 mm rear)