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Honda CT90 recalls between 1966 and 1967

MOTOR VEHICLE SAFETY DEFECT RECALL CAMPAIGNS SEPTEMBER 9, 1966 TO DECEMBER 31, 1967

Clearinghouse order number PB 177 316
NHBB Recall Identification Number(s) 66—0003

Bureau Identification Number: 67-0003
Model Type: CT-90
Notes: Motorcycle
Model Year: Not Registered
Reason: Possibility that transmission can be accidentally shifted from third to first gear (rather than fourth gear) causing abrupt deceleration at speeds in excess of 30 mph. (Replace shift drum stopper plate and stopper arm to preclude this occurrence.)
Number of pages on file: 6
Vehicles recalled: 18572

Publication source: U.S. Department of Transportation, Federal Highway Administration, National Highway Safety Bureau, Transportation Library, Northwestern University, Haiti Trust Digital Library

pdf MOTOR VEHICLE SAFETY DEFECT RECALL CAMPAIGNS SEPTEMBER 9, 1966 TO DECEMBER 31, 1967 (8.59 MB)

Honda CT90 recalls in 1968

MOTOR VEHICLE SAFETY DEFECT RECALL CAMPAIGNS JANUARI 1, 1968 TO DECEMBER 31, 1968

Bureau Identification Number: 68-0007
Date of Company Notification: 01-22-68
Model Type: CT-90
Notes: Motorcycle
Model Year: Not Recorded
No of vehicles: 217
Number of pages on file: 6
Reason: Possibility the rear axle shaft was in correctly heat-treated. Thus when tightened down and placed in service there is a possibility of breakage. If the rear axle breaks the CT-90 may become unstable and difficult to control. (Correct by replacing axle shaft with proper heat-treated axle shaft.)

Publication source: U.S. Department of Transportation, Federal Highway Administration, National Highway Safety Bureau, Transportation Library, Northwestern University, Haiti Trust Digital Library

pdf Motor vehicle safety defect recall campaigns 1968 (8.59 MB)

Tune-Up Specifications for Honda CT90 from frame no. 00000A1 on

These are the tune-up specifications for the Honda CT90 from frame no. 00000A1 on. The source of this data is Chilton's Honda Singles Repair and Tune-up Guide, 2nd ed. This book covers models made between 1968 and 1975.

Ignition    
Standard spark plug D8HS NGK
Spark plug gap (in./mm) 0.024-0.028/0.6-0.7  
Breaker point gap (in./mm) 0.012-0.016/0.3-0.4  
     
Valve clearance    
Intake (in./mm) 0.002/0.05  
Exhaust (in./mm) 0.002/0.05  
     
Carburetor    
Pilot air screw (turns out) 1 1/8  
Float level (in./mm) 3  
Idle speed (rpm) 1400-1600  
     
Cranking compression (psi) 170  

1 = K3~ : 0.65/16.5
2 = Keihin : 0.78/19.5 - Mikuni : 0.95/24.0
3 = CT90 : 0.85/21.5 - K1 : 0.94/23.5

 

Tune-Up Specifications for Honda CT90

These are the tune-up specifications for the Honda CT90. The source of this data is Chilton's Honda Singles Repair and Tune-up Guide, 2nd ed. This book covers models made between 1968 and 1975.

Ignition    
Standard spark plug D8HS NGK
Spark plug gap (in./mm) 0.024-0.028/0.6-0.7  
Breaker point gap (in./mm) 0.012-0.016/0.3-0.4  
     
Valve clearance    
Intake (in./mm) 0.002/0.05  
Exhaust (in./mm) 0.002/0.05  
     
Carburetor    
Pilot air screw (turns out) 1 1/2  
Float level (in./mm) 0.83/21.0  
Idle speed (rpm) 1400-1600  
     
Cranking compression (psi) 170  

1 = K3~ : 0.65/16.5
2 = Keihin : 0.78/19.5 - Mikuni : 0.95/24.0
3 = CT90 : 0.85/21.5 - K1 : 0.94/23.5

 

Tune-Up Specifications for Honda CT90 K2~

These are the tune-up specifications for the Honda CT90 from K2 and on. The source of this data is Chilton's Honda Singles Repair and Tune-up Guide, 2nd ed. This book covers models made between 1968 and 1975.

Ignition    
Standard spark plug D8HS NGK
Spark plug gap (in./mm) 0.024-0.028/0.6-0.7  
Breaker point gap (in./mm) 0.012-0.016/0.3-0.4  
     
Valve clearance    
Intake (in./mm) 0.002/0.05  
Exhaust (in./mm) 0.002/0.05  
     
Carburetor    
Pilot air screw (turns out) 1  
Float level (in./mm) 0.78/20.0  
Idle speed (rpm) 1300  
     
Cranking compression (psi) 170  

1 = K3~ : 0.65/16.5
2 = Keihin : 0.78/19.5 - Mikuni : 0.95/24.0
3 = CT90 : 0.85/21.5 - K1 : 0.94/23.5