73
CB250 TWISTER
ENGINE
Recommended engine oil
Honda oil recommendation:
JASO T 903 standard: MA
SAE standard: 10W–30
API classification: SG or higher
Fuel
Unleaded petrol
Bore × stroke
71.000 x 63.038 mm (2.7953 x 2.4818 in)
Compression ratio
9.6:1
Displacement
249.5 cm
3
(15.23 cu-in)
Spark plugs
LMAR7H-9DS (NGK)
Spark plug gap
0.80 – 0.90 mm (0.031 – 0.035 in)
Idle speed (non-adjustable)
1,450 ± 100 rpm
Valve clearance (cold)
IN
0.10 mm (0.0039 in)
EX
0.15 mm (0.006 in)
Maximum horsepower
22.4 cv at 7,500 min
-1
(rpm)
Maximum torque
2.24 kgf.m at 6,000 min
-1
(rpm)