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SportsBoat_F3R15.book Page 210 Friday, May 14, 2021 11:12 AM

Specifications

ITEM Specification
Engine
Number of engines: 2
Engine type: Liquid cooled 4-stroke, DOHC
Number of cylinders: 4
Engine displacement: 1812 cm³
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 (212 / 212S / 212XE [4-star models])
LFR7A (212XD / 212XE [3-star models] / 212SD /
212SE [3-star models])
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°
Jet thrust nozzle trim angle 3°

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