Spunky's Motorcycle Shop

Information

THE PINNACLE OF SPORT ATVs. The best-selling Sport ATV of all time offers superior style, comfort and unmatched big-bore performance.

Powerful 686cc, liquid-cooled, fuel-injected engine
Lightweight hybrid steel aluminum frame
Long A-arm front suspension / Swingarm rear suspension
YZ-Style piggyback shocks
Race-bred five-speed transmission with reverse
Sporty ergonomics with YZ-Style seat
Lightweight aluminum wheels wrapped in Maxxis® tires
Electric starter
Yamaha Racing Blue graphics

Engine Liquid cooled, DOHC, 5-valve (titanium), single
Displacement 449cc
Bore and Stroke 95mm x 63.4mm
Compression Ratio 11.8: 1
Fuel Delivery Yamaha Fuel Injection (YFI), 42mm
Ignition TCI: Transistor Controlled Ignition
Starting Electric
Transmission 5-speed; wet multiplate assist-and-slipper clutch
Final Drive O-ring chain

Suspension (Front) Independent double wishbone with Kashima coated piggyback shocks; high/low speed compression, rebound and threaded preload adjustment, 249 mm (9.8") travel
Suspension (Rear) Cast aluminum swingarm with piggyback shock; high/low speed compression, rebound and threaded preload adjustment, 280 mm (11.0") travel
Brakes (Front) Dual 161 mm discs / twin piston calipers
Brakes (Rear) Single wave-style 200 mm disc / twin piston caliper
Tires (Front) AT21 x 7-10 Maxxis®
Tires (Rear) AT20 x 10-9 Maxxis®