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Specifications
239
Specifications
■ Main Components
*1 Including rider, all luggage, and accessories
■ Service Data
Overall length
GL1800
101.4 in (2,575 mm)
GL1800B
97.4 in (2,475 mm)
Overall width 36.4 in (925 mm)
Overall height
GL1800
56.3 in (1,430 mm)
GL1800B
52.8 in (1,340 mm)
Wheelbase 66.7 in (1,695 mm)
Minimum ground
clearance
5.1 in (130 mm)
Caster angle 30.5º
Trail 4.3 in (109 mm)
Curb weight
GL1800
USA model
833 lb (378 kg)
GL1800
Canada model
836 lb (379 kg)
GL1800B
USA model
787 lb (357 kg)
GL1800B
Canada model
805 lb (365 kg)
Maximum weight
capacity*
1
GL1800
423 lb (192 kg)
GL1800B
421 lb (191kg)
Maximum luggage
weight
Travel trunk
(Except GL1800B)
20.0 lb (9.0 kg)
Each saddlebag 20.0 lb (9.0 kg)
Fairing pocket 4.5 lb (2.0 kg)
Shelter case 6.6 lb (3.0 kg)
Passenger capacity Rider and 1 passenger
Minimum turning
radius
11.2 ft (3.4 m)
GL1800/B
Displacement 111.8 cu-in (1,833 cm
3
)
Bore x stroke 2.87 x 2.87 in (73.0 x 73.0 mm)
Compression ratio 10.5:1
Fuel
Unleaded gasoline
Recommended: 86 PON or higher
Tank capacity 5.5 US gal (21 liters)
Battery
GYZ20L
12 V-20 Ah (10 HR)
Gear ratio
1st 2.200
2nd 1.416
3rd 1.035
4th 0.820
5th 0.666
6th 0.521
Reduction ratio
(primary /
secondary / final)
1.795 / 0.972 / 2.615
Tire size
Front 130/70R18M/C 63H
Rear 200/55R16M/C 77H
Tire type Radial, tubeless
Recommended
Tire
Front
BRIDGESTONE G853 RADIAL G
DUNLOP D423F
Rear
BRIDGESTONE G852 RADIAL G
DUNLOP D423
Tire air pressure
Front 36 psi (250 kPa, 2.50 kgf/cm
2
)
Rear 41 psi (280 kPa, 2.80 kgf/cm
2
)
Minimum tread
depth
Front 0.06 in (1.5 mm)
Rear 0.08 in (2.0 mm)
Spark plug (standard) CR6HSB-9 (NGK)
Spark plug gap
0.031 to 0.035 in (0.80 to
0.90 mm)
Idle speed
(non-
adjustable)
730 ± 100 rpm
Recommended
engine oil
API Service Classification SG or higher
except oils labeled as energy conserving or
resource conserving on the circular API
service label, SAE 10W-30, JASO T 903
standard MA, Pro Honda GN4 4-stroke oil
(USA & Canada) or Honda 4-stroke oil, or an
equivalent motorcycle oil
Engine oil
capacity
After draining 3.7 US qt (3.5 liters)
After draining &
engine oil filter
change
3.9 US qt (3.7 liters)
After disassembly 4.6 US qt (4.4 liters)
continued
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