CB750 Service Bulletins

Bulletin NumberIssue DateSubject
Recall Letter08/13/1971Safety Recall of pre-K1 CB750's to modify the drive train to reduce drive chain shock loading and extend drive chain life.
750 #409/22/1969Drive Sprocket Factory Recall
750 #611/3/1969Tachometer Gear Stopper Bolt Security to Prevent Cylinder Head Damage
750 #710/17/1971Wing Bolt Retaining Nut Security - Early CB750 Air Cleaner Covers
750 #811/6/1969Ignition Timing With Bent Advancer Shaft
750 #905/07/1973Vacuum Guages: Model Differences and Calibration Instructions
750 #1012/10/1969Dead Batteries - Loose Alternator Rotor Set Bolt
750 #1111/01/1971Brake Lever Free Play Adjustment
750 #1301/26/1970Modification to Prevent Oil Filter Case Damage
750 #1410/06/1972Crankshaft Bearing Insert Selection
750 #1501/31/1975Modified Throttle Valve and Cable Kit
750 #1605/20/1970Camshaft Holders and Caps
750 #1806/13/1975Drive Chain and Master Link Selection
750 #1907/02/1970Adjustment of Cam Chain Tensioner
750 #2109/03/1971Drive Chain Maintenance
750 #2208/28/1970After Sales Service: Modified Chain Cover and Chain Oiler Parts
750 #2309/17/1971Brake Pad Wear
750 #2509/21/1971Carburetor Adjustment, CB750K1
750 #2612/23/1970Front Brake Disc Mounting Bolts
750 #2802/09/1971Drive Chain Link Removal and Installation Tool for CB750K1
750 #29Crankcase and Final Drive Bearing Replacement
750 #3005/21/1971Drive Chain Oiler Adjustment and Replacement
750 #3108/28/1974Connecting Rod Weight Selection and Size
750 #3208/09/1971Drive Chain Recall Notice
750 #3311/03/1972Wiring Harness and Breather Tube Routing, CB750K1 & K2
750 #3405/04/1972Disc Brake Caliper Noise: CB750 & CB750K1
750 #3511/17/1972New Molded Countour Oil Hose
750 #3604/06/1973Rear Brake Wear Indicator, CB750K3
750 #3711/19/1973Wheel Sprocket Diameter and Chain Pitch Compatibility
750 #3811/26/1973Muffler Warranty Extension
750 #3902/01/1974Modified Head Gasket Removal
750 #4004/01/1974Modified Shift Drum
750 #4104/05/1974Front Fork Oil Seal Change, CB750K1 & K2
750 #4207/10/1975Cylinder Head Gasket Oil Sealing
750 #4301/10/1975Battery Cable Extra Lead
750 #4404/18/1975CB750F License Plate Bracket Plug
750 #4503/24/1976Soft Mounting Cushions Improve Instrument Accuracy