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SPECS RATINGS HONDA YAMAHA TRX450R YFZ450R
MOTOR/TRANNY
Overall power ................................ 4 .................... 5
Low .......................................... 3 .................... 5
Mid .......................................... 5 .................... 4
Top .......................................... 4 .................... 5
Throttle response........................... 4.................... 5
Gear ratio spacing.......................... 5.................... 5
Shifting/tranny ............................... 4 .................... 5
HANDLING AND CHASSIS
Overall handling.............................. 4.................... 5
Turning precision............................ 4.................... 5
Turning stability ............................. 4 .................... 5
Powersliding .................................. 4 .................... 5
Steering ease ................................ 4 .................... 4
Off-cambers .................................. 4 .................... 5
High-speed stability........................ 5.................... 5
Jumping ........................................ 5 .................... 5
Whoops ........................................ 4 .................... 5
Front brakes.................................. 5.................... 5
Rear brakes................................... 5.................... 5
Front suspension............................ 4.................... 5
Rear suspension ............................ 4 .................... 4
Low-speed ride plushness ............... 5.................... 4
High-speed bump control ................ 4 .................... 5
Undercarriage protection ................ 4 .................... 4
Hillclimbing .................................... 5 .................... 5
Downhilling .................................... 5 .................... 5
RIDER COMFORT AND CONVENIENCE
Overall ease of use......................... 5.................... 5
Startup ease ................................. 4 .................... 5
Seat comfort ................................. 5 .................... 5
Vibration ....................................... 4 .................... 5
Bars/seat/footrest.......................... 5 .................... 4
Air-filter access ............................. 5 .................... 5
Choke access................................. 4................. N/A
Hand-control ease.......................... 5.................... 5
OVERALL
Overall design................................ 5.................... 5
Fit and finish.................................. 5.................... 5
Overall rating................................. 4.................... 5
HONDA TRX450R YAMAHA YFZ450R
Engine type ...........Liquid/oil-cooled, 4-valve, SOHC 4-stroke .Liquid/oil-cooled, Ti 5-valve, DOHC 4-stroke
Displacement .........................................................450cc ..................................................... 449cc
Bore x stroke ...........................................96.0 x 62.0mm .....................................95mm x 63.4mm
Compression ratio ................................................. 12.0:1 ..................................................... 11.6:1
Lubrication system ........................................... Wet sump .................................................Dry sump
Carburetion...........................................40mm FCR Keihin ......................................42mm Mikuni EFI
Starting/back-up ......................... Electric push-button/none ......................... Electric push-button/none
Starting procedure....................... Pull clutch and hit button ......................... Turn on key and hit button
Choke location .....................................Knob on left of carb ......................................................... N/A
Air filter:
Type.............................................................. Oiled foam ............................................... Oiled foam
AccessRelease seat and four quick-release; remove one bolt ............ Release seat and 4 quick releases;
remove 1 bolt
Transmission..................................... Fully manual 5-speed .................................Fully manual 5-speed
Reverse procedure.................................................... None ....................................................... None
Transmission pattern ..................................... 1-N-2-3- 4-5 ............................................. 1-N-2-3- 4-5
Drive system ........................................................... 2WD ....................................................... 2WD
Final drive ............................................................... Chain ....................................................... Chain
DIMENSIONS/CAPACITIES/WEIGHTS
Fuel capacity ........................................................ 2. 7 gal. ................................................... 2. 6 gal.
Wheelbase.............................................................. 50. 2” .......................................................... 50”
Overall length/width/height...................... 73. 3”/46.3”/43.3” .................................... 70. 7”/48.8”/41.9”
Seat height ............................................................. 32. 8” ........................................................ 31. 9
Ground clearance....................................................... 4. 4” ......................................................... 4. 5”
Claimed curb weight ............................................. 388 lb. ....................................................403 lb.
ROLLING CHASSIS
Frame ...................... Steel round tube, aluminum subframe ....................................... Steel round tube
Suspension/wheel travel:
Front............ Dual A-arms w/ fully adjustable Showas/8.4” ... Dual A-arms w/ adj. hi/lo comp./reb./prel.
piggyback shocks/9.8”
Rear................ Swingarm w/ adjustable Showa shock/9.3” ........ Swingarm w/adj. hi/lo comp./reb./prel.
piggyback shock/11.0”
Brakes/actuation:
Front............. Twin-piston hydraulic discs/ right-hand lever Twin-piston hydraulic discs/ right-hand lever
Rear.................................. Hydraulic disc/right-foot pedal .................... Hydraulic disc/right-foot pedal
Parking ............................................... Left-hand lever/lock ................................... Left-hand lever/lock
Tires:
Front............................. 22 x 7-10 Dunlop KT371 radials .............................21x7-10 Dunlop KT355
Rear............................ 20 x 10-9 Dunlop KT335H radials .............................20x10-9 Dunlop KT356
DETAILS
Lighting:
Front.........................................30W halogen headlights ..................... Two 30W Krypton headlights
Rear..................................................LED tail/brake light .................... 3.9/0.5W LED tail/brake light
Instrumentation ......................................................... N/A ....................... Temp/fuel/neutral indicators
Colors ......................................... Red/white, white/orange ............................. Blue, white/graphics kit
Minimum recommended operator age............................ 16 ........................................................... 16
Suggested retail price ............................................ $7799 .....................................................$8599
Contact .................... Honda Motor Corp., (310) 932-9811 ...... Yamaha Motor Corp., (800) 962-7926