Honda TRX300EX Owner's Manual page 192

Capacities
passenger capacity
maximum weight
capacity
Engine Specifications
displacement
bore & stroke
compression ratio
spark plug
(standard)
spark plug
(cold climate)
spark plug
(high speed riding)
spark plug gap
valve clearance
(cold)
idle speed
Power Transmission
primary reduction
final reduction
gear ratio
final drive
operator only
270 lbs (120 kg)
rider, all cargo and accessories
17.18 cu-in (281.7 cm )
2.91
8.9 : 1
DR8ES-L (NGK)
X24ESR-U (DENSO)
DR7ES (NGK)
X22ESR-U (DENSO)
DR8ES (NGK)
X27ESR-U (DENSO)
0.024 0.028 in (0.60 0.70 mm)
0.004 in (0.10 mm)
1,400
2.833
2.923
1st 3.692
2nd 2.529
3rd 1.857
4th 1.458
5th 1.178
reverse 5.415
chain
DID520V
RK520 MOZ9
Specifications
2.58 in (74.0
or
or
or
100 rpm
or
Technical Information
65.5 mm)
183