Yamaha WaveRunner FX SHO Service Manual

5-102
E
POWR
1
2
3
4
5
6
7
8
9
Piston ring check
1. Measure:
• Piston ring dimensions B and T
Out of specification → Replace the pis-
ton rings as a set.
Piston ring dimensions:
Top ring
a:
B: 1.17–1.19 mm
(0.0461–0.0469 in)
T: 2.85–3.05 mm
(0.112–0.120 in)
2nd ring
b:
B: 1.17–1.19 mm
(0.0461–0.0469 in)
T: 2.60–2.80 mm
(0.102–0.110 in)
Oil ring
c:
B: 2.37–2.47 mm
(0.093–0.097 in)
T (reference data):
2.50 mm (0.098 in)
c
B
T
T
B
b
a
T
B
2. Measure:
• Piston ring end gap a
Piston ring end gap a
(reference data):
Top ring:
0.30–0.45 mm (0.012–0.018 in)
2nd ring:
0.45–0.60 mm (0.018–0.024 in)
Oil ring:
0.10–0.35 mm (0.004–0.014 in)
Measuring point b:
5 mm (0.2 in)
a
b
Crankcase, connecting rod, and piston

Yamaha WaveRunner FX SHO Specifications

General

Manufacturer	Yamaha
Model	WaveRunner FX SHO
Category	Personal Watercraft
Engine Type	4-cylinder, 4-stroke, Supercharged
Displacement	1812cc
Bore x Stroke	86mm x 78mm
Fuel Delivery	Electronic Fuel Injection
Horsepower	210 HP
Starter System	Electric
Lubrication System	Wet sump
Length	132.7 in (3.37 m)
Fuel Capacity	18.5 gal (70 L)
Oil Capacity	5.3 qt (5.0 L)
Rider Capacity	3 persons
Cooling System	Water-cooled
Width	1.23 m
Dry Weight	377 kg