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Engine Specifications
Spec
SBK/JSB
STK
STD
Displacement
998cm
3
998cm
3
998cm
3
Bore/Stroke
79.0 × 50.9 mm
79.0 × 50.9 mm
79.0 × 50.9 mm
Maximum engine speed
(limiter controlled speed)
14750 rpm
14500 rpm
14500 rpm
Compression ratio
(recommended value)
13.0 – 13.4
Depending on
head surface
grinding
13.0
13.0
Valve timing (event angle)
INT
107°
108°
108°
EXT
106°
110°
110°
Clearance between valve
and piston (minimum)
INT
0.95 mm
–
–
EXT
1.90 mm
–
–
Valve (tappet) clearance
INT
0.09 – 0.17 mm
0.09 – 0.17 mm
0.09 – 0.17 mm
EXT
0.18 – 0.23 mm
0.18 – 0.23 mm
0.18 – 0.23 mm
