2013 YAMAHA YZ450F height

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Page 31 of 228

YAMAHA YZ450F 2013  Owners Manual 2-1
GENERAL SPECIFICATIONS
SPECIFICATIONS
GENERAL SPECIFICATIONS
Model name: YZ450FD (USA, CDN, AUS, NZ)
YZ450F (EUROPE, ZA)
Model code number: 33DD (USA,CDN)
33DE (EUROPE)
33DG (AUS, NZ, ZA)
Dimensio

Page 38 of 228

YAMAHA YZ450F 2013  Owners Manual 2-8
MAINTENANCE SPECIFICATIONS
Throttle position sensor:----
Throttle position sensor maximum resistance 5 kΩ----
Throttle position sensor variable resistance 0–2 kΩ (full closed) ----
Throttle po

Page 40 of 228

YAMAHA YZ450F 2013  Owners Manual 2-10
MAINTENANCE SPECIFICATIONS
ELECTRICALFront disc brake:
Disc outside dia.×Thickness 250 × 3.0 mm (9.84 × 0.12 in) 250 × 2.5 mm 
(9.84 × 0.10 in)
Pad thickness 4.4 mm (0.17 in) 1.0 mm (0.04 
i

Page 59 of 228

YAMAHA YZ450F 2013  Owners Manual 3-3
MAINTENANCE INTERVALS
AIR FILTER
Clean and lubricate●●Use foam air-filter oil or equivalent oil.
Replace●
OIL FILTER
Replace●●
ENGINE GUARD
Replace●Breakage
FRAME
Clean and inspect●

Page 70 of 228

YAMAHA YZ450F 2013  Owners Manual 3-14
CHASSIS
CHASSIS
BLEEDING THE HYDRAULIC 
BRAKE SYSTEM
Bleed the brake system if:
• The system has been disassem-
bled.
• A brake hose has been loosened 
or removed.
• The brake fluid is very

Page 74 of 228

YAMAHA YZ450F 2013  Owners Manual 3-18
CHASSIS
c. Turn each adjuster exactly the 
same amount to maintain correct 
axle alignment. (There are marks 
"a" on each side of the drive chain 
puller alignment.) NOTICE: Im-
proper drive chai

Page 99 of 228

YAMAHA YZ450F 2013  Owners Manual 4-18
VALVES AND VALVE SPRINGS
REMOVING THE VALVE LIFTER 
AND VALVE COTTER
1. Remove:
• Valve lifter "1"
•  Pad "2"
Identify each lifter "1" and pad "2" po-
sition very carefully so that they can

Page 152 of 228

YAMAHA YZ450F 2013  Owners Manual 5-13
FRONT BRAKE AND REAR BRAKE
INSTALLING THE FRONT BRAKE 
MASTER CYLINDER
1. Install:
• Brake master cylinder "1"
• Brake master cylinder bracket "2"
• Bolt (brake master cylinder brack-
et) "