Honda NXR125 BROS KS Owner's Manual page 153

74
ENGINE
Item
Type
Bore and stroke
Displacement
Compression ratio
Maximum horsepower
Maximum torque
Spark plug
Spark plug gap
Idle speed
Valve clearance (cold engine)
TRANSMISSION
Item
Type
Clutch
Gearshift system
Primary reduction
Gear ratio
Final reduction
4 stroke, air cooled, OHV, gasoline, single cylinder,
inclined 15° regarding the vertical position
56.5 x 49.5 mm (2.2 x 1.9 in)
124 cc (7.6 cu-in)
9.5 : 1
12.5 hp @ 8,500 min
1.04 kgf.m @ 7,000 min
NGK DPR8EA-9
0.8 – 0.9 mm (0.031 – 0.035 in)
1,400 ± 100 min
IN/EX 0.08 mm (0.0031 in)
Constant mesh, 5-speed
Multi-plate, wet-type
Left foot operated return system
3.333
I 2.769
I I 1.882
III 1.400
IV 1.130
V 0.960
3.176
Owner's Manual
-1 (rpm)
-1
(rpm)
-1
(rpm)