The above 500AFX is shown with optional black rims, silver rims are standard.

500AFX Engine

• 491cc liquid-cooled reed-valve two-stroke engine produces horsepower over a broad rpm-range.
• Lightweight, nickel-plated, low-route exhaust system offers superb performance and a slim mid-section.
• Maintenance-free Digital CD ignition.
• High-output rotor and 8-pole stator system, provides power for ignition, lights and accessories.
• Primary kick starting for easy starts in any gear.
• Light clutch-lever action.
• Easy-access clutch cover for simple maintenance.
• Lightweight, high capacity cooling system for consistent performance.
• Compact, lightweight engine assembly weighs only 51 pounds.
• 39mm Kehin PWK carburetor provides light throttle effort, smooth operation, crisp throttle response and excellent ride-ability.
• Proven, durable, low maintenance, high power engine.
• Durable close ratio five speed transmission.

Chassis /Suspension

• Fourth generation twin-spar frame features forged aluminum steering head and tapered downtube section are designed to optimize frame rigidity. In addition, tall swingarm pivot plates and narrow frame spars create a narrow overall frame cross section for superb rider comfort and maneuverability.
• Semi-double-cradle frame design features a single, large-diameter tapered downtube. Two CNC machined billet box-section rails attach to a strong, tuned billet “Y” section that joins the base of the downtube and support the engine. A forged aluminum steering head provides a compact and extremely durable mount for the frame spars and engine downtube.
• The aluminum frame design is matched to rider ergonomics to maximize handling and control operation.
• Swingarm features a dual-axis, double-taper design with a large cast aluminum Cross-member.
• 18-inch rear wheel features same lightweight rear hub and works-type lightweight aluminum spoke nipples.
• Front wheel features large-diameter front axle and wide wheel-bearing span for excellent rigidity.
• Rear axle diameter of 25mm and large-diameter bearings provide optimum rigidity to withstand torturous off-road conditions.
• Lightweight, 47mm inverted Showa twin-chamber cartridge fork with aluminum dampers is features settings unique to the 500AFX.The fork offers 12.4 inches of travel, 16-position rebound and 16-position compression damping adjustability. The inner surface of the front fork outer-tubes receives the same honing treatment as works bikes for low friction operation.
• Single-shock rear suspension system features a fully adjustable Showa rear damper and 12.4 inches of wheel travel, separate low-speed (13 positions) and high-speed (3.5 turns) compression damping adjusters, and 17-position rebound damping.
• Rear shock damper piston diameter is 50mm for consistent performance under demanding rising conditions. Compact twin-piston front brake caliper, anodized aluminum brake pistons and lightweight front brake disc minimize unsprung weight for improved turning and handling.
• Works-type rear brake system integrates the rear master cylinder and fluid reservoir, eliminating the need for a remote master cylinder reservoir and hose assembly.
• Large, 240mm front and rear brake discs.

Features | Specifications | Engine/Chassis/Suspension
500AF History | 500AF Action Photos

Specifications subject to change without notice

Read what Transworld MX had to say about the 500AF in June of 2004