Yamaha WaveRunner FZR-GX1800 Service Manual page 43

SPEC
Maintenance specifications
Item
Timing chain
Model/number of links
Tensioning system
Valve
Valve clearance (cold)
Intake
Exhaust
Valve dimensions
Valve head diameter A
Intake
Exhaust
Valve face width B
Intake and exhaust
Valve seat contact width C
Intake
Exhaust
Valve margin thickness D
Intake and exhaust
Valve stem diameter
Intake
Exhaust
Valve guide inside diameter
Intake and exhaust
Valve-stem-to-valve-guide
clearance
Intake
Exhaust
Valve guide installation height
Intake and exhaust
Valve stem runout limit
Intake and exhaust
Unit
FZR
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in)
mm (in) 5.477–5.492 (0.2156–0.2162)
mm (in) 5.464–5.479 (0.2151–0.2157)
mm (in) 5.504–5.522 (0.2167–0.2174)
mm (in) 0.012–0.045 (0.0005–0.0018)
mm (in) 0.025–0.058 (0.0010–0.0023)
mm (in)
mm (in)
2-4
Model
FZS
97RH2015–152PX/152
Automatic
0.14–0.23 (0.006–0.009)
0.28–0.37 (0.011–0.015)
33.9–34.1 (1.335–1.343)
28.9–29.1 (1.138–1.146)
2.26–2.83 (0.089–0.111)
1.40–1.60 (0.055–0.063)
1.50–1.70 (0.059–0.067)
0.80–1.20 (0.031–0.047)
12.3–12.7 (0.484–0.500)
0.01 (0.0004)
E
1
2
3
4
5
6
7
8
9