Yamaha YZ450FA Automobile User Manual


 
2-9
MAINTENANCE SPECIFICATIONS
Clutch spring free length 50.0 mm (1.97 in) 49.0 mm
(1.93 in)
Quantity 6 ----
Clutch housing thrust clearance 0.10–0.35 mm (0.0039–0.0138 in) ----
Clutch housing radial clearance 0.010–0.044 mm (0.0004–0.0017
in)
----
Clutch release method Inner push, cam push ----
Shifter:
Shifter type Cam drum and guide bar ----
Guide bar bending limit ---- 0.05 mm
(0.002 in)
Kickstarter:
Type Kick and ratchet type ----
Fuel pump:
Fuel pressure 324 kPa (3.24 kg/cm
2
, 46.1 psi) ----
Fuel injector: ----
Model/manufacturer 1010/DENSO ----
Throttle body: ----
I. D. mark 33D1 00 ----
Manufacturer KEIHIN ----
Throttle position sensor: ----
Throttle position sensor maximum resistance 5 kΩ ----
Throttle position sensor variable resistance 0–2 kΩ (full closed) ----
Throttle position sensor input voltage 4–6 V ----
Fuel injection sensor: ----
Crankshaft position sensor resistance 248–372 Ω ----
Intake air pressure sensor output voltage 3.57–3.71 V at 101.3kPa (1.013
kg/cm
2
, 14.41 psi)
----
Atmospheric pressure sensor output voltage 3.57–3.71 V at 101.3kPa (1.013
kg/cm
2
, 14.41 psi)
----
Intake air temperature sensor 5.4–6.6 kΩat 0 °C (32 °F)
290–390 Ωat 80 °C (176 °F)
----
Idling condition: ----
Engine idle speed 1,900–2,100 r/min ----
Oil temperature 55–65 °C (131–149 °F) ----
Throttle cable free play 3–5 mm (0.12–0.20 in) ----
Item Standard Limit