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SportsBoat_F5K13.book Page 193 Tuesday, June 13, 2023 5:43 PM

Specifications

Item Specification
Engine
Number of engines 2
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 11.0 : 1
Valve clearance-intake (cold) 0.14–0.23 mm (0.0055–0.0091 in)
Valve clearance-exhaust (cold) 0.28–0.37 mm (0.0110–0.0146 in)
Lubrication system Wet sump
Cooling system Water
Starting system Electric
Ignition system T.C.I.
Spark plug (NGK) LFR6A
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 14.7°
Transmission Direct drive from engine
Jet thrust nozzle angle 23+23°

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