Engine - Honda Motorcycle Owner's Manual

ENGINE

Bore and stroke
Compression ratio
Displacement
Spark plug
Standard
For cold climate
(Below 5`C, 41`F)
Spark plug gap
Idle speed
Valve clearance (Cold)
Intake
Exhaust
70.0 x 48.6 mm (2.76 x 1.91 in)
11.0 : 1
3
748 cm (45.6 cu-in)
CR9EH-9 (NGK) or
U27FER 9 (NIPPONDENSO)
CR8EH-9 (NGK) or
U24FER 9 (NIPPONDENSO)
0.80-0.90 mm (0.031 -0.035 in)
1,100 +/- 100 rpm
1,200 +/- 100 rpm ...California only
0.16 mm (0.006 in)
0.25 mm (0.010 in)
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