85 GS1150EF Specifacations
 
Make & Model 85 Suzuki GS1150EF
Price (1985) $4399 US
  
Engine       
   
Engine Type 4 stroke, transverse vertical 4
Air cooled
Valve Arrangement chain driven double overhead cams
four valves per cylinder
  
Bore and stroke 74.0mm X 66.0mm
2.91in X 2.60in
Piston Displacement 1135cc (69.3cu in)
Compression Ratio 9.7:1
    
Carburetion 4 36mm mikuni CV
Exhaust 4 into 2
Ignition Battery powered, inductive,
magnetically triggered
    
Air filtration Paper element, disposable
Oil filtration Paper element, disposable
Oil capacity 3.4qt (3.2lt)
Transmission 5 speed constant mesh wet clutch
Primary Drive Helical cut gear 89/50, 1.78
Final Drive 630 O ring Chain
15/42 sprockets, 2.80
    
Gear ratios (trany) (1) 35/14, 2.50
(2) 32/18, 1.78
(3) 29/21, 1.38
(4) 27/24, 1.13
(5) 25/26, 0.96
     
Gear ratios (overall) (1) 12.45
(2) 8.86
(3) 6.87
(4) 5.63
(5) 4.78
   
Performance       
    
BHP @ RPM 119bhp@8500rpm 
Torque @ RPM 81ft/lb's@6500rpm
1/4 mile 10.81 sec
0-60mph 2.64 sec
45-70mph top gears (3) 2.51 sec, 223 ft
(4) 3.29 sec, 289 ft
(5) 3.82 sec, 345 ft
     
Braking 60-0 126 Ft
RPM 60 mph 5th 3772
     
Average MPG 39.4mpg
16.7kml
Cruising range
Main 254km/158mi
Reserve 82km/51mi
   
Chassis      
   
Type Down tube full-cradle frame
box section aluminum swing arm
       
Suspension Front Center axle air adjustable fork
with 37mm tubes
adjustable spring preload
anti-dive valving
with 5.9in (150mm) of travel
   
Suspension Rear Full floater suspension
with single shock absorber
adjustable for spring preload
and rebound dampening
4.5in (115mm) of rear wheel travel
    
Wheel Base 61in (1550mm)
Rake/Trail 28.0o/4.6in (117mm)
   
Brake Front Hydraulic dual disc
with dual piston calipers
    
Brake Rear Hydraulic single disc
with dual piston caliper
  
Wheel Front  Cast 2.75 X 16
Wheel Rear  Cast 3.0 X 17
  
Tire Front  110/90V 16
Tire Rear  130/90V 17
Rear Tire Rotation 787 revs per mile
  
Seat Height 31in (786mm)
Foot Peg Height 13.7in (348mm)
   
Ground Clearance 4.2in (107mm)
  
Fuel Capacity 4.0gal (15.1l) Main
    1.3gal (4.9l) Reserve
   
Curb Weight  563lbs (255kg) Full Tank
Load Capacity 473lbs (215kg)
Weight Distribution 50/50
  
Electrical      
  
Power Source Three phase AC generator
Charge Control Solid State voltage regulator
   
Ignition Transistorized Electronic
   
Headlight Beams 55watts low 60watts high
Tail/Stop lights (2) 8/23watts
  
Battery 12V 14AH
Electrical Power
294W@5000rpm
   
Instruments Speedometer, odometer, tripmeter
tachometer with 9000 red line
fuel gauge, oil temp gauge
  
Warning Lights Head light out, stoplight out
side stand down, low oil pressure
low battery level
   
Indicators High beam, neutral
turn signals
Gear position (my favorite)
  
 

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