the VIRAGO
YAMAHA VIRAGO 1981-1999

Yamaha

XV1100 Virago  

Torque Specifications

engine clutch and transmission
Alternator cover bolts 10 Nm (7.2 ft-lbs)    
Alternator cover screws 7 Nm (5.1 ft-lbs)    
Alternator rotor nut    
Cam chain damper bolt 8 Nm (5.8 ft-lbs)    
Cam chain clamper bolt locknut 12 Nm (8.7 ft-lbs)    
Cam chain tensioner bolts

10 Nm (7.2 ft-lbs)

   
Cam sprocket bolt 55 Nm (40 ft-lbs)    
Cam sprocket cover bolts 10 Nm (7.2 ft-lbs)    
Camshaft retainer bolts 20 Nm (14 ft-lbs)    
Clutch push screw locknut 12 Nm (8.7 ft-lbs)    
Clutch boss nut 70 Nm (50 ft-lbs) Use a new lockwasher.  
Clutch cover bolts 10 Nm (7.2 ft-lbs)    
Clutch pressure plate screws 8 Nm (5.8 ft-lbs)    
Connecting rod nuts 48 Nm (35 ft-lbs) Apply molybdenum disulfide grease to the threads and nut surfaces. follow special tightening procedure  
Crankcase bolts (6 mm) 10 Nm (7.2 ft-lbs)    
Crankcase bolts (10 mm) 39 Nm (28 ft-lbs)    
Cylinder bolts 10 Nm (7.2 ft-lbs)    
Cylinder head bolts (8 mm) (8 mm) 20 Nm (14 ft-lbs)    
Cylinder head nuts (10 mm) (10 mm) 35 Nm (25 ft-lbs)    
Cylinder head nuts (12 mm) (12 mm) 50 Nm (36 ft-lbs)    
Intermediate gear stopper plate bolts 10 Nm (7.2 ft-lbs)    
Oil line union bolts 20 Nm (14 ft-lbs) Use new sealing washers.  
Oil pump bolts 10 Nm (7.2 ft-lbs)    
Oil pump chain cover bolts 10 Nm (7.2 ft-lbs)    
Oil pump sprocket bolts 12 Nm (8.7 ft-lbs)    
Primary drive gear nut 110 Nm (80 ft-lbs) Use a new lockwasher.  
Rocker arm cover bolts 10 Nm (7.2 ft-lbs)    
Rocker arm shaft holding bolts 38 Nm (27 ft-lbs) Use new sealing washers.  
Shift fork guide bar stopper screws 7 Nm (5.1 ft-lbs) Apply Loctite Stud 'n' Bearing Mount or equivalent to the threads.  
Shift pedal pinch bolt 10 Nm (7.2 ft-lbs)    
       
fuel and exhaust systems
Carburetor joint bolts 12 Nm (8.7 ft-lbs)    
Exhaust pipe-to-cylinder head nuts 20 Nm (14 ft-lbs)    
Exhaust pipe rear joint bolt 10 Nm (7.2ft-lbs)    
Muffler/silencer chamber bolt and nut 20 Nm (14 ft-lbs)    
       
front suspension and steering
Front axle   42 Nm (58 ft-lbs)    
Front axle pinch bolt   14 Nm (20 ft-lbs)    
         
         
Front forks        
  Damper rod bolt 23 Nm (17ft-lbs)** Apply non-permanent thread locking agent to the bolt threads.  
  Upper triple clamp pinch bolts 20 Nm (14 ft-lbs)    
  Lower triple clamp pinch bolts 38 Nm (27 ft-lbs)    
Handlebars and steering stem        
  Handlebar bracket to steering stem nut 20 Nm (14 ft-lbs)    
  Handlebar to bracket clamp bolts 20 Nm (14 ft-lbs)    
  Steering stem bolt 54 Nm (39 ft-lbs)    
Steering head bearing ring nut        
  Initial tightening 27 Nm (38 ft-lbs)    
  Final tightening 7.2 Nm (10 ft-lbs)    
         
rear suspension and final drive
Rear axle        
  Nut 75 Nm (105 ft-lbs)    
  Pinch bolt 11 Nm  (16 ft-lbs)    
Shaft drive unit nuts   30 Nm  (42 ft-lbs)    
         
         
Rear shock absorber upper bolts   20 Nm (14 ft-lbs)    
Rear shock absorber lower bolts/nuts   30 Nm (22 ft-lbs)    
Swingarm pivot shafts   75 Nm (54 ft-lbs)    
  Left 100 Nm (72 ft-lbs)    
  Right 6 Nm (4.3-ft lbs)    
Right pivot shaft nut   100 Nm (72 ft-lbs)    
Final drive unit to swingarm nuts   43 Nm (32 ft-lbs)    
         
brakes
Master cylinder clamping bolts   6.5 Nm (9 ft-lbs)    
Brake hose union bolt   19 Nm (26 ft-lbs)    
Caliper Mounting bolts   13 Nm (18 ft-lbs)    
Caliper bracket mounting bolts   25 Nm  (35 ft-lbs)    
Brake disc mounting bolts   14 Nm (20 ft-lbs)    
         
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