Specifications
124
Engine
Number of engines
1
Engine type
Liquid cooled 4-stroke, DOHC
Number of cylinders
4
Engine displacement
1812 cm
3
Bore × stroke
86.0 × 78.0 mm (3.39 × 3.07 in)
Compression ratio
8.5 : 1 (AR195/SX195)
11.0 : 1 (AR190/SX190)
Valve clearance-intake (cold)
0.14–0.23 mm (0.0055–0.0091 in)
Valve clearance-exhaust (cold)
0.36–0.45 mm (0.0142–0.0177 in)
(AR195/SX195)
0.28–0.37 mm (0.0110–0.0146 in)
(AR190/SX190)
Lubrication system
Wet sump
Cooling system
Water
Starting system
Electric
Ignition system
T.C.I.
Spark plug (NGK)
LFR7A (AR195/SX195)
LFR6A (AR190/SX190)
Spark plug gap
0.8–0.9 mm (0.031–0.035 in)
Battery capacity
12 V, 85 Ah
Charging system
Flywheel magneto
Drive unit
Propulsion system
Jet pump
Jet pump type
Axial flow, single stage
Impeller rotation
Counterclockwise
Pitch angle
15.1° (AR195/SX195)
14.0° (AR190/SX190)
Transmission
Direct drive from engine
Jet thrust nozzle angle
23+23°
Jet thrust nozzle trim angle
3°
Fuel and oil
Recommended fuel
Premium unleaded gasoline (AR195/SX195)
Regular unleaded gasoline (AR190/SX190)
Minimum octane rating (PON)
91 (AR195/SX195)
86 (AR190/SX190)
Minimum octane rating (RON)
95 (AR195/SX195)
90 (AR190/SX190)
Fuel tank total capacity
152 L (40.1 US gal, 33.4 Imp.gal)
Recommended engine oil
YAMALUBE 4W or 4-stroke motor oil
Recommended engine oil type SAE
SAE 10W-30, 10W-40, 20W-40, 20W-50
ITEM
Specification
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