Lubrication System Specifications; Fuel System (Programmed Fuel Injection) Specifications; Cooling System Specifications - Honda GL1800 Service Manual

GENERAL INFORMATION

LUBRICATION SYSTEM SPECIFICATIONS

Engine oil After draining
capacity
After draining/filter change
After disassembly
Recommended engine oil
Oil pressure (at oil pressure switch)
Oil pump Tip clearance
Body clearance
Side clearance

FUEL SYSTEM (Programmed Fuel Injection) SPECIFICATIONS

Throttle body identification number
Throttle grip free play
Intake air temperature sensor resistance (20° C/68° F)
Engine coolant temperature sensor resistance
(20° C/68° F)
Throttle sensor resistance (20° C/68° F)
Fuel injector resistance (20° C/68° F)
Camshaft position sensor peak voltage
Ignition pulse generator peak voltage
Manifold absolute pressure at idle
Fuel pressure at idle
Fuel pump flow (at 12 V)
Idle speed

COOLING SYSTEM SPECIFICATIONS

Coolant capacity
Radiator cap relief pressure
Thermostat
Recommended antifreeze
Standard coolant concentration
1-6
ITEM
Feed side
Scavenge side
ITEM
ITEM
Radiator and engine
Reserve tank
Begin to open
Fully open
Valve lift
STANDARD
3.6 liters (3.8 US qt, 3.2 Imp qt)
3.7 liters (3.9 US qt, 3.3 Imp qt)
4.6 liters (4.9 US qt, 4.0 Imp qt)
Pro Honda GN4 or HP4 (without
molybdenum additives) 4-stroke oil
or equivalent motor oil
API service classification SG or Higher
JASO T 903 standard: MA
Viscosity: SAE 10W-40
2
530 kPa (5.4 kgf/cm , 77 psi) at
5,000 rpm/80° C (176° F)
0.15 (0.006)
0.15 – 0.21 (0.006 – 0.008)
0.15 – 0.22 (0.006 – 0.009)
0.02 – 0.09 (0.001 – 0.004)
SPECIFICATIONS
GQ61A
2 – 6 mm (1/12 – 1/4)
2.2 – 2.7 kΩ
2.3 – 2.6 kΩ
4 – 6 kΩ
11.1 – 12.3 Ω
0.7 V minimum
0.7 V minimum
400 – 450 mm Hg (15.7 – 17.7 in Hg)
343 kPa (3.5 kgf/cm
3
133 cm (4.5 US oz, 4.7 Imp oz) minimum/10 seconds
700 ± 70 rpm
SPECIFICATIONS
3.53 liters (3.73 US qt, 3.11 Imp qt)
0.65 liter (0.69 US qt, 0.57 Imp qt)
108 – 137 kPa (1.1 – 1.4 kgf/cm
76 – 80° C (169 – 176° F)
90° C (194° F)
8 mm (0.3 in) minimum
Pro Honda HP Coolant or an equivalent high quality
ethylene glycol antifreeze containing silicate-free
corrosion inhibitors
1:1 mixture with recommended antifreeze and soft water
Unit: mm (in)
SERVICE LIMIT
–
–
–
–
–
0.20 (0.008)
0.35 (0.014)
0.35 (0.014)
0.12 (0.005)
2
, 50 psi)
2
, 16 – 20 psi)