KEY FEATURES
- Lightweight, compact, 321 cc, liquid-cooled, DOHC, 8-valve (4-valves/cyl), fuel injected, inline-twin cylinder engine. The engine has been designed to provide solid performance right across the rev range, with very linear throttle response, low vibration & excellent fuel economy.
- Downdraft style, compact combustion chamber
- The YZF-R3 uses regular 87 octane gas.
- Valves are 26 mm (intake) and 22.5 mm (exhaust) in diameter.
- Valve adjustment interval is every 42,000 km.
- Automatic cam chain tensioner.
FULL SPECIFICATION
ENGINE
ENGINE: Liquid-cooled, DOHC, 8 valves (4 valves/cyl.), inline twin
DISPLACEMENT: 321 cc
BORE AND STROKE: 68 x 44.1 mm
COMPRESSION RATIO: 11.2:1
FUEL DELIVERY: 32 mm throttle body F.I.
ESTIMATED FUEL CONSUMPTION: ± 23.5 kpl / 66 mpg (Imp.)
LUBRICATION: Wet sump
IGNITION / STARTING TCI: Electric
TRANSMISSION: 6-speed
FINAL DRIVE O: ring chain
ENGINE
ENGINE: Liquid-cooled, DOHC, 8 valves (4 valves/cyl.), inline twin
DISPLACEMENT: 321 cc
BORE AND STROKE: 68 x 44.1 mm
COMPRESSION RATIO: 11.2:1
FUEL DELIVERY: 32 mm throttle body F.I.
ESTIMATED FUEL CONSUMPTION: ± 23.5 kpl / 66 mpg (Imp.)
LUBRICATION: Wet sump
IGNITION / STARTING TCI: Electric
TRANSMISSION: 6-speed
FINAL DRIVE O: ring chain
CHASSIS
SUSPENSION (FRONT): 37 mm upside-down fork / 130 mm (5.1″) wheel travel
SUSPENSION (REAR): Adjustable Monocross / 125 mm (4.9″) wheel travel
BRAKES (FRONT): 298 mm floating disc / twin-piston caliper / ABS equipped
BRAKES (REAR): 220 mm disc / single-piston caliper / ABS equipped
TIRES (FRONT): 110/70-17
TIRES (REAR): 140/70-17
SUSPENSION (FRONT): 37 mm upside-down fork / 130 mm (5.1″) wheel travel
SUSPENSION (REAR): Adjustable Monocross / 125 mm (4.9″) wheel travel
BRAKES (FRONT): 298 mm floating disc / twin-piston caliper / ABS equipped
BRAKES (REAR): 220 mm disc / single-piston caliper / ABS equipped
TIRES (FRONT): 110/70-17
TIRES (REAR): 140/70-17
CRITICAL DATA
LENGTH: 2,090 mm (82.3″)
WIDTH: 730 mm (28.7″)
HEIGHT: 1,140 mm (44.9″)
WHEELBASE: 1,380 mm (54.3″)
RAKE / TRAIL: 25 degrees / 95 mm (3.7″)
GROUND CLEARANCE: 160 mm (6.3″)
SEAT HEIGHT: 780 mm (30.7″)
FUEL CAPACITY: 14 litres (3.1 Imp. gal.)
WET WEIGHT: 167 kg (368 lb)
COLOUR(S) World: GP 60th Anniversary Edition/ Yamaha Racing Blue/ Performance Black
LENGTH: 2,090 mm (82.3″)
WIDTH: 730 mm (28.7″)
HEIGHT: 1,140 mm (44.9″)
WHEELBASE: 1,380 mm (54.3″)
RAKE / TRAIL: 25 degrees / 95 mm (3.7″)
GROUND CLEARANCE: 160 mm (6.3″)
SEAT HEIGHT: 780 mm (30.7″)
FUEL CAPACITY: 14 litres (3.1 Imp. gal.)
WET WEIGHT: 167 kg (368 lb)
COLOUR(S) World: GP 60th Anniversary Edition/ Yamaha Racing Blue/ Performance Black




















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