Yamaha 2011 WR450FA, Owner'S Service Manual

Page: 41 / 230

2-10
MAINTENANCE SPECIFICATIONS
ELECTRICAL
Drive chain:
Type/manufacturer DID520VM/DAIDO ----
Number of links 113 links + joint ----
Chain slack 48–58 mm (1.9–2.3 in) ----
Chain length (15 links) ---- 239.3 mm
(9.42 in)
Front 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
in)
Master cylinder inside dia. 11.0 mm (0.433 in) ----
Caliper cylinder inside dia. 27.0 mm (1.063 in) × 2 ----
Brake fluid type DOT #4 ----
Rear disc brake:
Disc outside dia. × Thickness 245 × 4.0 mm (9.65 × 0.16 in) 245 × 3.5 mm
(9.65 × 0.14 in)
Deflection limit ---- 0.15 mm
(0.006 in)
Pad thickness 6.4 mm (0.25 in) 1.0 mm (0.04
in)
Master cylinder inside dia. 11.0 mm (0.433 in) ----
Caliper cylinder inside dia. 25.4 mm (1.000 in) × 1 ----
Brake fluid type DOT #4 ----
Brake lever and brake pedal:
Brake lever position 95 mm (3.74 in) ----
Brake pedal height (vertical height above footrest
top) 10 mm (0.39 in) ----
Clutch lever free play (lever end) 8–13 mm (0.31–0.51 in) ----
Throttle grip free play 3–5 mm (0.12–0.20 in) ----
Item Standard Limit
Item Standard Limit
Ignition system:
Advancer type Electrical ----
CDI: USA, CDN EUROPE AUS, NZ, ZA
Pickup coil resistance (color) 248–372 Ω at
20 °C (68 °F)
(White–Red)
← ← ----
CDI unit-model/manufacturer 5TJ-E0/YAMA-
HA 5TJ-L0/YAMA-
HA 5TJ-F0/YAMA-
HA ----
Ignition coil:
Model/manufacturer 5TA-10/DENSO ----
Minimum spark gap 6 mm (0.24 in) ----
Primary coil resistance 0.08–0.10 Ω at 20 °C (68 °F) ----
Secondary coil resistance 4.6–6.8 k
Ω
at 20 °C (68 °F) ----