Honda VTX1800R Owner's Manual page 188

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
Operator and one passenger
USA: 412 lbs (187 kg)
395 lbs (179 kg)
Canada: 421 lbs (191 kg)
403 lbs (183 kg)
rider, passenger, all cargo and accessories
109.5 cu-in (1,795 cm )
3.98 × 4.41 in (101.0
9.0 : 1
IFR5L11 (NGK) or
IFR6L11 (NGK) or
0.039 0.043 in (1.00 1.10 mm) −
0.005 in (0.13 mm)
intake
0.013 in (0.32 mm)
exhaust
800 ± 100 rpm
Specifications
...VTX1800R/S
...VTX1800N
...VTX1800R/S
...VTX1800N
× 112.0 mm)
VK16PRZ11 (DENSO)
VK20PRZ11 (DENSO)
− no adjustment
Technical Information
179