Honda TRX400X 2009 Owner's Manual page 197

Capacities
passenger capacity
maximum weight
capacity
Engine Specifications
displacement
bore & stroke
compression ratio
spark plug
(standard)
spark plug
(high speed riding)
spark plug gap
valve clearance
(cold)
idle speed
Power Transmission
primary reduction
final reduction
1st
2nd
gear ratio 3rd
4th
5th
reverse
final drive
operator only
243 lbs (110 kg)
rider, all cargo and accessories
24.2 cu-in (397 cm )
3.35 × 2.76 in (85.0
9.1 : 1
DPR8Z (NGK)
X24GPR-U (DENSO)
DPR9Z (NGK)
X27GPR-U (DENSO)
0.024 0.028 in (0.60 0.70 mm) −
Intake 0.004 in (0.10 mm)
Exhaust 0.005 in (0.12 mm)
1,400 ± 100 rpm
2.826
2.786
2.727
1.789
1.363
1.080
0.925
2.428
chain
DID520V or
RK520 SMOZ10S
Technical Information
Specifications
× 70.0 mm)
or
or
−
189