Honda GL1800 Service Manual page 8

ITEM
ENGINE Cylinder arrangement
Bore and stroke
Displacement
Compression ratio
Valve train
Intake valve
Exhaust valve
Lubrication system
Oil pump type
Cooling system
Air filtration
Engine dry weight
Firing order
Cylinder number
FUEL DELIVERY Type
SYSTEM
Throttle bore
DRIVE TRAIN Clutch system
Clutch operation system
Transmission
Primary reduction
Secondary reduction (output
drive)
Final reduction
Gear ratio
Gearshift pattern
ELECTRICAL Ignition system
Starting system
Charging system
Regulator/rectifier
Lighting system
Flat six
74.0 x 71.0 mm (2.91 x 2.80 in)
1,832 cm
9.8 : 1
Silent cam chain driven, OHC
opens –5° BTDC (5° ATDC) (at 1 mm lift)
closes 30° ABDC (at 1 mm lift)
opens 30° BBDC (at 1 mm lift)
closes –5° ATDC (5° BTDC) (at 1 mm lift)
Forced pressure and wet sump
Trochoid
Liquid cooled
Viscous paper element
118.3 kg (260.8 lbs)
1 – 4 – 5 – 2 – 3 – 6
Programmed Fuel Injection (PGM-FI)
40 mm (1.6 in)
Multi-plate, wet (hydraulically assisted)
Hydraulically operated
Constant mesh, 5-speeds with reverse
1.591 (78/49)
1.028 (36/35)
2.750 (33/12)
1st 2.375 (38/16)
2nd 1.454 (32/22)
3rd 1.068 (31/29)
4th 0.843 (27/32)
5th 0.686 (24/35)
Left foot operated return system, 1 – N – 2 – 3 – 4 – 5
Full transistorized ignition
Electric starter motor
Triple phase output alternator
Triple phase full-wave rectification with field coil
Battery
GENERAL INFORMATION
SPECIFICATIONS
3
(111.8 cu-in)
1-5