Page 146 - LIT-18626-15-32

SportsBoat_F6H15.book Page 136 Tuesday, June 4, 2024 5:17 PM

Specifications

ITEM Specification
Engine
Number of engines 2
Engine type Liquid cooled 4-stroke, DOHC
Number of cylinders 4
252 FSH SPORT
Engine displacement
1898 cm³
255 FSH SPORT E / 255 FSH SPORT H
1812 cm³
252 FSH SPORT
Bore × stroke
88.0 × 78.0 mm (3.46 × 3.07 in)
255 FSH SPORT E / 255 FSH SPORT H
86.0 × 78.0 mm (3.39 × 3.07 in)
252 FSH SPORT
Compression ratio
11.2 : 1
255 FSH SPORT E / 255 FSH SPORT H
8.5 : 1
Valve clearance-intake (cold) 0.14–0.23 mm (0.0055–0.0091 in)
252 FSH SPORT
Valve clearance-exhaust (cold)
0.28–0.37 mm (0.0110–0.0146 in)
255 FSH SPORT E / 255 FSH SPORT H
0.36–0.45 mm (0.0142–0.0177 in)
Lubrication system Wet sump
Cooling system Water
Starting system Electric
Ignition system T.C.I.
252 FSH SPORT
Spark plug (NGK)
LFR6A
255 FSH SPORT E / 255 FSH SPORT H
LFR7A
Spark plug gap 0.8–0.9 mm (0.031–0.035 in)
Battery capacity 12 V, 85 Ah
Charging system Flywheel magneto

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