ENGINE
ENGINE     1-cylinder, 4-stroke, Unicam, 4-valve, titanium 36 mm intake
DISPLACEMENT     449 cc
BORE X STROKE     96 x 62.1 mm
COMPRESSION RATIO     12.0:1
CARBURETION     Programmed Fuel Injection (PGM-FI), 50 mm throttle body
COOLING     Liquid-cooled
EXHAUST     30 mm steel
IGNITION     Full transistor with 3-gear position electronic advance
DIMENSIONS
WEIGHT     234.8 lbs.
GROUND CLEARANCE     13.1 in.
WHEELBASE     58.7 in.
FUEL CAPACITY     1.5 gal.
SEAT HEIGHT     37.6 in.
DRIVETRAIN
TRANSMISSION     Close-ratio 5-speed
FINAL DRIVE     #520 chain; 13T/48T
SUSPENSION     Front: 48 mm inverted KYB Air-Oil-Separate (AOS) with 16-position rebound & 18-position compression damping adjustability; 12.2 in. travel
Rear: Pro-Link KYB single-shock with spring-preload, 18-position (low-speed) & 1.5-turn (high-speed) compression damping & 20-position rebound damping adjustability; 12.6 in. travel
BRAKES/WHEELS/TIRES
BRAKES     Front: 240 mm single-disc with twin-piston caliper
Rear: 240 mm single-disc
TIRES     Front: 80/100-21
Rear: 120/80-19
RAKE     26° 52'
TRAIL     4.5 in. (114.2 mm)