HONDA 901cc D.O.H.C. Four
  FR BRAKE PADS RR BRAKES PADS  
  CB900FZ-FA 80-81 VD112x2 VD112  
  CB900FB-2B-C-2C 82-84 VD123x2 VD123  
    CHAIN
pitch x lgth
FR SPROCKET
pat x teeth
RR SPROCKET
pat x teeth
  CB900FA,FB,FC,FZ 50VM-106 339-17 334-44
  CB900F2B,F2C,F2D 50VM-106 339-17 334-44
  CB900 BOL D'OR 79-82 50VM-106 339-17 334-44
  CB900RR,RN,RS 50ZL-108 333-16 302-42
    FORK SEALS
size in mm  
FORK OIL CAPACITY
in cc's (ml)
 
  CB900FA/FZ 79-80 35-48-11 190cc  
  CB900FB/F2B 81 39-50-11 320cc  
  CB900FC/F2C 82 39-52-11 395cc  
  CB900FD/F2D 83 37-50-11    
    FRONT TIRE REAR TIRE  
  CB900F2 100/90-19 VB 130/80-18 VB  
  CB900FZ,FA,FB,F2B 100/90-19 VB 120/90-18 VB  
  CB900FC,D,F2C,D 100/90-18 VB 130/80-18 VB  
    BATTERY    
    type CHARGE RATE
in amp/hours
 
  ALL CB14LA2 4A  
    BULBS    
    Headlight Indicators  
    12V60/55H4 12V21SCC  
    REGULATOR MAX OUTPUT
in Volts
   
    14.5V    
    SPARK PLUGS    
    type gap  
    DR8ES 0.7MM  
    RESISTANCES    GAP    
    Air gap 0.6MM    
    TIMING    
    10 deg @ 1000rpm to 28.5 deg @ 3100rpm    
    COIL RESISTANCES    
    Primary Secondary  
    2.5 OHMS 12K  
    ENGINE SPECIFICATION    
    Bore Stroke Comp
  CB900F & F2 64.5mm 69mm 142-198psi
    OILFILTER CAPACITY  
    partcode in litre  
  CB900FZ,FA,FB,F2B SF4004 4.5ltr  
  CB900F2C,FD,F2D SF4004 4.5ltr  
  CB900FZ,FA,FB,F2B SF4004 4.5ltr  
  CB900F2C,FD,F2D SF4004 4.5ltr  
    WEIGHTS (dry)    
  CB900F 233kg    
  CB900FB 232kg    
  CB900F2B 245kg    
  CB900FC-FD 242kg    
  CB900F2C-F2D 253kg     
    IDENTIFICATION OF MODEL  

 

(JAN 79) CB900FZ intro, 4 into 2 exhausts, 5-spd, triple disc brakes, Double cradle frame.   

(FEB 80) CB900FA replaces the CB900FZ, air assisted forks intro and Comstar wheels, other spec the same  

(FEB 81) CB900FB (SC01-2200028) Replaces CB900FA, same spec, Gold finished wheels, twin brake calipers on front, finished in Red, Black or Blue   

(MAR 81) CB900F2B (SC01-4000342) intro, new finishes only, Red and Silver

(FEB 82) CB900FB(SC01-2203237) & CB900F2B(SC01-4009474) Disconti

(FEB 82) CB900FC(SC09-2000001) intro, remote reservoire shocks boomerang Comstar wheels, anti dive forks, 

(FEB 82) CB900F2C(SC09-4100424) intro, same spec as CB900FC, half fairing, finished in Red or Silver

(FEB 83) CB900FD(SC09-4100001) Replaces CB900FC, same spec, revised graphics, finished in Red, White or Blue  

(MAR 83) CB900F2D(SC09-4100811) Replaces the CB900F2C same spec half fairing 

(OCT 84) CB900FD & CB900F2D Both discontinued    

DIRECT IMPORT       

(1980-83) CB900 CUSTOM Reverse Comstar wheels, twin shock shaft drive, triple disc brakes, leading axle forks,stepped seat 4 chrome silencers, gearbox has 5 spd with range selector of  high or low ratio