2003 R6 Specifications

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Changes:  The R6 underwent a complete redesign for the 2003 model year.  Aside from the obvious styling changes, the 2003 R6 included changes to the frame, engine, and received fuel injection.

Highlights:
Color Change
  • Colors available Yamaha Blue/White, Liquid Silver, Black w/red flames

  • The liquid silver was added to the options

  • The red was replaced with the Black w/red flames

  • Revised steering head gives even greater feedback.

DeltaBox III frame
  • constructed using Yamaha's new Controlled Filling Die Casting technique

  • Lighter and stiffer aluminum chassis

  • What once took 16 welds now requires two

  • Revised steering head gives even greater feedback.

Rims
  • Five-spoke wheels reduce unsprung weight by making hub and spokes a single structural unit
Engine
  • Over 90% of its parts are stronger or lighter
  • New forged pistons
  • New sleeveless cylinders
Fuel Injection
  • Suction-piston fuel injection (same as used in the Yamaha R1)
  • Larger pressurized airbox
  • Bigger throttle bodies
  • Resculpted intake ports

 

 

Specifications
MSRP $7999
Engine

Type

600cc, liquid-cooled, 4-stroke, forward inclined in-line 4-cylinder, DOHC 16 valves

Bore x stroke / mm

65.5 x 44.5mm

Compression Ratio

12.4:1

Carburetion

Suction-piston fuel injection w/38mm throttle bodies (4), w/throttle position and RPM sensors

Ignition

Digital CDI

Transmission

6-speed w/multi-plate clutch

Final Drive

#530 O-ring chain

Chassis
Suspension/Front 43mm telescopic fork w/adjustable preload, compression and rebound damping; 4.7" of travel
Suspension/Rear Single shock w/piggyback reservoir and adjustable preload, compression and rebound damping; 4.7" travel
Brakes/Front Dual 298mm floating discs w/4-piston calipers
Brakes/Rear 220mm disc w/single-piston caliper
Tires/Front 120/60-ZR17
Tires/Rear 180/55-ZR17
Dimensions
Length 79.7"
Width 27.2"
Height 42.9"
Seat Height 32.3"
Wheelbase 54.3"
Rake (Caster Angle) 24°
Trail 3.4"
Fuel Capacity 4.5 Gallons
Oil Capacity (with oil filter change) 2.85 Qt.
Dry Weight 357 Lbs.
Other
Primary Reduction Ratio 86/44 (1.955)
Secondary Reduction Ratio 48/16 (3.000)
Gear Ratio - 1st Gear 37/13 (2.846)
Gear Ratio - 2nd Gear 37/19 (1.947)
Gear Ratio - 3rd Gear 28/18 (1.556)
Gear Ratio - 4th Gear 32/24 (1.333)
Gear Ratio - 5th Gear 25/21 (1.190)
Gear Ratio - 6th Gear 26/24 (1.083)
Color Team Yamaha Blue/White; Liquid Silver; Black with red flame graphics
Warranty 1 Year (Limited Factory Warranty)
   
*Data from Yamaha Motor Corporation