Maintenance Specifications; Engine - Yamaha WaveRunner FX140 Service Manual

MAINTENANCE SPECIFICATIONS

ENGINE

Item
Cylinder head
Warpage limit
Compression pressure
Cylinder
Bore size
Taper limit
Out-of-round limit
Wear limit
Camshaft
Drive system
Intake (A)
Exhaust (A)
Intake and
exhaust (B)
Camshaft cap inside diameter
Camshaft journal diameter
Camshaft-journal-to-camshaft-
cap clearance
Max.camshaft runout
Timing chain
Model/number of links
Valves, valve seats, valve guides
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
Valve head diameter A
Intake
Exhaust
Valve face width B
Intake
Exhaust
*1: At 760 mmHg and 20 °C (68 °F)
Unit
mm (in)
*1
kPa
2
(kg/cm
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
, psi)
74.060–74.075 (2.9157–2.9163)
24.44–24.45 (0.9622–0.9626)
0.05–0.06 (0.0020–0.0024)
DID SCR-0412SV/130
0.11–0.20 (0.0043–0.0079)
0.25–0.34 (0.0098–0.0134)
22.9–23.1 (0.9016–0.9094)
24.4–24.6 (0.9606–0.9685)
1.76–2.90 (0.0693–0.1142)
1.76–2.90 (0.0693–0.1142)
38
Model
FX140
0.1 (0.004)
1,350 (13.5, 192)
0.08 (0.003)
0.05 (0.002)
74.2 (2.9213)
Chain drive
32.25 (1.270)
32.65 (1.285)
25.00 (0.984)
24.5 (0.9646)
0.03 (0.0012)