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89
ENGINE
Bore and stroke
63.5 x 49.5 mm (2.50 x 1.95 in)
Compression ratio
9.0:1
Displacement
157 cc (9,6 cu.in)
Spark plug
Standard
DPR8EA – 9 (NGK) or
X24EPR – U9 (DENSO)
For cold climate
DPR7EA – 9 (NGK) or
(Below 5°C, 41°F)
X22EPR – U9 (DENSO)
Idle speed
1,400 ± 100 min
-1
(rpm)
Valve clearance (Cold)
Intake
0.10 mm (0.004 in)
Exhaust
0.10 mm (0.004 in)