Specs for all models of four cylinder Goldwings 1975-1987

This page is under constant update as I gather more information
Note that engine oil capacities are total after engine overhaul.


GL-1000  Engine type: horizontally opposed 4-Cyl. 4 stroke Liquid-Cooled
                                       belt driven SOHC w/rocker arm valve actuation
                                       two valves per cylinder
Bore Dia 72.0mm (2.835 in)
Stroke 61.4mm (2.417 in)
Compression ratio 9.2:1
Displacement 999cc (60.9 cu-in)
Adv HP@rpm 80.1@7000
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Maintenance adjustments and capacities
Engine oil 3.7 US qt (3.5L) Spark plug NGK D8ES-L 
Cooling system 3.4 US qt (3.2L) Plug gap 0.6-0.7mm (.024-.028 in)
Fork oil 6.93 US oz (205cc) Valve clearance Int 0.10mm (.004 in)
Exh 0.10mm (.004 in)
Final drive 7.1 US oz (210cc) Idle speed 900 rpm ± 100 
Steering caster 62° 00' Trail 120mm (4.72 in)
Point Gap 0.3-0.4mm(.012-.016 in)

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Features common to all GL1000 models:
Gear Ratios:
Trans. Primary  Trans Secondary 1'st  2nd 3rd 4th 5th Final Drive
1.708 0.825 2.500 1.708 1.333 1.097 0.939 3.400
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Fuel Capacity Tire size front Tire size rear Seat Height Charging System
5.0 US gals 3.50-H19 4.50-H17 31.9 " 3 phase AC w/solid state
regulator/rectifier 300W@5000 rpm
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Features by model year:
Carburetion Ignition System Starting System Dry Weight
'75 Std. (4) 32mm CV Points/cond. Elec plus Kick 584.0
'76 Std. (4) 32mm CV Points/cond. Elec plus Kick 583.0
'76-LTD (4) 32mm CV Points/cond. Elec plus Kick 583.0
'77 Std. (4) 32mm CV Points/cond. Elec plus Kick 595.0
'78 Std. (4) 31mm CV Points/cond. Electric 601.0
'79 Std (4) 31mm CV Points/cond. Electric 604.0

For additional GL1000 specs Click Here



GL-1100 Engine type: horizontally opposed 4-Cyl. 4 stroke Liquid-Cooled
                                      belt driven SOHC w/rocker arm valve actuation
                                      two valves per cylinder
Bore Dia 75.0 mm (2.953 in)
Stroke 61.4mm (2.417 in)
Compression ratio 9.2:1
Displacement 1085cc (66.2 cu-in)
Adv HP@rpm 84.8@7000
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Maintenance adjustments and capacities
Engine oil 4.2 US qt (4.0L) Spark plug NGK DR8ES-L or DR8ES
Cooling system 3.6 US qt (3.4L) Plug gap 0.6-0.7mm (.024-.028 in)
Fork oil '80-'81
              '82-'83
8.11 US oz (240cc)
9.79 US oz (290cc)
Valve clearance
Int 0.10mm (.004 in)
Exh 0.13mm (.005 in)
Final drive 5.2 US oz. (150cc) Idle speed 950 rpm  ± 100 
Steering caster 60° 50' Trail 134mm (5.3 in)

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Features common to all GL1100 models:
Fuel Capacity Carburetion Charging system
5.3 US gals. (4) 30mm CV 3 phase AC w/solid state regulator/rectifier 
300W@5000 rpm
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Changes in braking systems of GL1100 models:
Dual disc front brakes w/single disc rear-
single piston calipers
Twin Piston Brake calipers used Vented Brake Rotors used Integrated braking system used
All '80-'81 models All '82-'83 models '82-'83 Aspencade Only All '83 models
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Gear Ratios:
Trans Primary Trans Secondary 1st 2nd 3rd 4th 5th Final Drive
All '80-'81 1.708 0.973 2.500 1.667 1.286 1.065 0.909 3.091
All '82 1.708 0.973 2.500 1.667 1.250 1.000 0.829 3.100
All '83 1.708 0.897 2.642 1.667 1.250 1.000 0.829 3.100
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Features by year and model:
Tire size front Tire Size rear Dry Wt Seat height Audio System
'80 Stan 110/90-19 62H 130/90-17 68H 586.0 31.3 None
'80 Int 110/90-19 62H 130/90-17 68H 672.5 31.3 Clarion Type II
'81 Stan 110/90-19 62H 130/90-17 68H 588.7 31.3 None
'81 Int 110/90-19 62H 130/90-17 68H 672.5 31.3 Clarion Type II
'82 Stan 120/90-18 65H 140/90-16 71H 595.4 31.1 None
'82 Int 120/90-18 65H 140/90-16 71H 679.1 31.1 Clarion Type II opt.
'82 Asp 120/90-18 65H 140/90-16 71H 702.3 30.7 Clarion Type II
'83 Stan 120/90-18 65H 140/90-16 71H 599.8 30.7 None
'83 Int 120/90-18 65H 140/90-16 71H 685.8 30.7 Clarion Type II opt
'83 Asp 120/90-18 65H 140/90-16 71H 707.8 30.7 Clarion Type II





GL-1200 Engine type: horizontally opposed 4-Cyl. 4 stroke Liquid-Cooled
                                      belt driven SOHC w/rocker arm valve actuation
                                      two valves per cylinder
Bore Dia 75.5mm (2.973 in)
Stroke 66.0mm (2.598 in)
Compression ratio 9.0:1
Displacement 1182cc (72.1 cu-in)
Adv HP@rpm 81.8@6200
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Maintenance adjustments and capacities
Engine oil 4.2 US qt (4.0L) Spark plug  standard
NGK DPR8EA-9 or ND X24EPR-U9
below 5 deg 
NGK DPR7EA-9 or ND X22EPR-U9
 Extended High speed
NGK DPR9EA-9 or ND X27EPR-U9
Cooling system 3.6 US qt (3.4L) Plug gap 0.8-0.9mm (.031-.035 in)
Fork oil 11.66 US oz (345cc) Valve clearance Hydraulic auto adjusting
Final drive  4.5 US oz (130cc) Idle speed 1000 rpm  ± 100
Steering caster 60° 00' Trail 118 mm (4.6 in)

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Features common to all GL1200 models:
Fuel Capacity Seat Height Tire size front Tire size rear
5.8 US gals. 30.7" 130/90-16 67H 150/90-15 74H
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Brakes:
Twin disc front w/dual piston calipers
Single disc rear w/ dual piston caliper
Integrated braking system standard
Vented brake rotors used
All models '84-'85 Aspencade
'86-'87 models All
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Gear ratios:
Trans Primary Trans Secondary 1st 2nd 3rd 4th 5th Final Drive
All '84-'85 1.708 0.897 2.643 1.667 1.250 1.000 0.829 2.833
All '86-'87 1.708 0.973 2.571 1.667 1.250 1.000 0.800 2.833
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Features by year and model:
Carburetion Dry Wt Audio System Charging System
'84 Standard (4) 32mm CV 599.8 none 360W @5000 rpm
'84 Interstate (4) 32mm CV 701.2 Panasonic Type III 360W @5000 rpm
'84 Aspencade (4) 32mm CV 723.3 Panasonic Type III 360W @5000 rpm
'85 Interstate (4) 32mm CV 699.0 Panasonic Type III 360W @5000 rpm
'85 Aspencade (4) 32mm CV 727.7 Panasonic Type III 360W @5000 rpm
'85 Ltd -E Elec Fuel Injec 771.8 Panasonic Type III 500W @5000 rpm
'86 Interstate (4) 32mm CV 699.0 Panasonic Type III 360W @5000 rpm
'86 Aspencade (4) 32mm CV 727.7 Panasonic Type III 360W @5000 rpm
'86 SE-i Elec Fuel Injec 771.8 Panasonic Type III 500W @5000 rpm
'87 Interstate (4) 32mm CV 699.0 Panasonic Type III 360W @5000 rpm
'87 Aspencade (4) 32mm CV 743.1 Panasonic Type III 360W @5000 rpm