Yamaha WaveRunner - Page 25

2-6
E
SPEC
MAINTENANCE SPECIFICATIONS
JET PUMP UNIT
HULL AND HOOD
Oil filter
Oil filter type Cartridge type
Oil pump
Oil pump type Trochoid
Rotor tip clearance
(scavenge pump)
mm (in) 0.09–0.15 (0.0035–0.0059)
Oil pump housing clearance
Rotor (feed pump) mm (in) 0.09–0.17 (0.0035–0.0067)
Rotor (scavenge pump) mm (in) 0.09–0.15 (0.0035–0.0059)
Item Unit
Model
FX High Output
FX Cruiser High Output
Jet pump
Impeller material Stainless steel
Number of impeller blades 3
Impeller pitch angle Degree 16.8
Impeller clearance mm (in) 0.35–0.45 (0.0138–0.0177)
Impeller clearance limit mm (in) 0.6 (0.0236)
Drive shaft runout limit mm (in) 0.3 (0.0118)
Nozzle diameter mm (in) 86.5–87.1 (3.41–3.43)
Item Unit
Model
FX High Output
FX Cruiser High Output
Free play
Throttle lever free play mm (in) 4–7 (0.16–0.28)
Item Unit
Model
FX High Output
FX Cruiser High Output