Honda CB350 CB400 CB500 CB550 CB750 Fours Parts

Honda CB350-750 SOHC Fours

1969 was a pivotal year in motorcycling.  Honda launched their landmark CB750.  For the first time you didn't need to be a mechanic to own a motorcycle.  Smooth, reliable, AND it didn't leak all over your driveway.... yes!

The inline 4-cylinder engine was a marvel.  Chain operated overhead cam, 4 individual exhausts and a disk brake up front.  Honda drew riders to the machine like bees to honey.  Not only incredibly popular on the street, the CB750 appeared on race tracks as the CR750, and in the drag racing world, Russ Collins shoe-horned two of those engines into a single frame - and soon replaced that with his infamous 3,300cc 12-cylinder triple engined monster of a drag bike - the "Atchison, Topeka & Santa Fe".  

As the 1970's progressed, Honda improved and restyled the CB750 with a slightly higher performance engine and a 4-1 pipe to create the Supersport version.  Honda broke additional new ground with an automatic version of this masterpiece.....  

In the 70's choppers and cafe racers weere often based on the CB750, so it is not unusual to find some heavily modified versions out on the road today.

Randakk’s is one of the web’s best sources for performance parts and components to restore and transform vintage Honda SOHC Fours - not just parts for the CB750, but also for the smaller inline fours - the CB350, CB400, CB500 and CB550 bikes.. We proudly stock vintage Honda engine and carburetor parts, suspension and brake components, electrical parts, filters, grips and various performance and reproduction Honda parts.

Every vintage Honda part you see on Randakk’s is in-stock in our warehouse. Your order will normally ship out within 24 hours of completion. We ship to any of the 50 states and more than 50 countries. Our mission is preserving and improving classic Hondas. When you begin your vintage SOHC inline four restoration, look to Randakk’s for your OEM-style and reproduction Honda parts. Mile after mile, we’re in it for the long haul. 

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  1. Dyna 2000 w/Coils DDK1-2C CB500/550/750
    Part #
    DYDDK1-2C
    The Dyna 2000 electronic ignition kit with coils for Honda 1969-78 CB500/550/750 4 cylinder motorcycles is a microprocessor controlled ignition with adjustable dual crank sensors. This system provides simple switch settings to control multiple ignition advance or retard modes and rev limits. NEW: Dynatek has just rede... 
  2. Dyna-S Ignition DS1-1 CB350 CB400 fours
    Part #
    DYDS1-1
    OEM: DS1-1 1 year factory warranty - Fits Honda 1972-77 CB350- CB400 4-cylinder bikes. Set and forget - no more messing with points... creates a stronger more consistent spark. A handful of these small fours used CB750 advancers. Confirm whether the advancer shaft diameter is the early style 13.5mm (.530") or... 
  3. Dyna-S Ignition DS1-2 CB500/550/750
    Part #
    DYDS1-2
    OEM: DS1-2- 1 year factory warranty. Fits Honda 1969-78 CB500- CB550- CB750. Set and forget - no more messing with points... creates a stronger more consistent spark.View Technical Documentation 
  4. Bolt Set CB750 All SOHC
    Part #
    NGSS-190
    Stainless Steel Engine Cover Bolt Set includes: 60 bolts and 2 Allen keys for a total of 62 pieces.These bolts are all SMOOTH head Allen bolts. We polish the bolts for 24-48 hours in a tumbler to get a bright even look. Primarily all visible bolts on lower covers - includes the bolts for: Clutch Cover- Generator Cove... 
  5. Oil Filter Kawasaki Honda KZ1000 KZ650 CB900 CB750
    Part #
    BAHF401
    HF401 Hi-Flo Brand. Equivalent to OEM: 15412-300-024 15410-422-000 15410-426-000 15410-426-010 16099-003. Equivalent to 10-20300Fits Honda CB350F CB400F CB500 Four CB550K/F/SC CB650/C/SC CB750K/F/A/L/C/SC CB900C/F GL1000/L CBX1050 GL1100/A/I CB1000C CB1100F GL1200/A/I/L/SE Fits Kawasaki EL250-B2/B3 (Eliminator) (... 
  6. Solenoid Switch Honda Kawasaki
    Part #
    RI65-101
    Aftermarket replacement starter solenoid switch- may require some modifications to the stock mounting bracket. - Includes 2 different mounting dampers Fits Honda CB750F (75-78) CB750K (69-78) GL1000s. Fits Kawasaki KZ900 Z1 KZ1000A/B/C/D/E/G/J/K/P 
  7. APE 16 piece HD Cylinder studs CB750 SOHC
    Part #
    APCS750H
    OEM: CS750H- APE 16 piece HD Cylinder studs - Fits Honda CB750 SOHC thru 1978 
  8. Tank Emblem Honda CB750 F2 Supersport 1977- 1978
    Part #
    BRHT07
    Tank Emblem Honda CB750 F0- F1- Supersport- 1976- 1977  
  9. Clamp - Stainless Steel - 50mm x 9mm
    Part #
    100-1502
    Clamp - Stepless Screw - 50mm x 9mm.  Stainless Steel.  Sold individually.  Equivalent to OEM: 16223-KS5-000 - Insulator / Carb Holder Band The Oetiker Stepless Screw Clamp has a precise tongue-in-groove (stepless) design which provides a smooth inner band circumference with no steps or gaps, guar... 
  10. Carburetor Kit - CB400 Four - Premium
    Part #
    200-1132
    The ultimate carb rebuild kit from Keyster.  For 1975-1977 Honda CB400 4-cylinder motorcycles.  Four (4) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these CB400 carbs. Included in the kit are: 4 x different... 
  11. Carburetor Kit - CB350 Four - Premium
    Part #
    200-1131
    The ultimate carb rebuild kit from Keyster.  For 1973-1974 Honda CB350 4-cylinder motorcycles.  Four (4) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these CB350 carbs. Included in the kit are: 4 x different... 
  12. Auxiliary Gas Tank
    Part #
    TU03-1500
    This impact resistant- graduated tank takes the place of the original gas tank while performing carb synchronizing. Includes four feet of 1/4" fuel line and brass petcock. Suggestion: look for a used hospital or doctors office IV stand.  These come with 4 or 5 wheels on a weighted base, telescoping stand, and cur... 
  13. Handlebar Grip Adhesive ThreeBond Griplock Glue
    Part #
    TU53-0427
    1oz tube - use this ThreeBond adhesive to ensure your grips do not twist or slip on the handlebars. Keyword: TB1501C Glue 
  14. Valve keepers - Honda CB Style
    Part #
    200-1008
    Valve keepers - Honda CB Style OEM Eqivalent 14781-107-003 Used on the following engines: CB100 K0 K1 K2 Super Sport 70-72 (4)CL100 K0 K1 K2 Scrambler 70-72 (4)CL100 S S2 S3 Scrambler 100S 71-73 (4)SL100 K0 K1 K2 K3 Motosport 70-73 (4)CB125S S1 S2 73-85 (4)CB125TT 1990 (8)CL125S S1 Scrambler 125 73-74 (4)CM185T Twin... 
  15. Spark Plug Wire - 7mm - Yellow - Price Per Foot
    Part #
    200-1230
    Ignition Wire 7mm (yellow) - sold by the foot. non-suppression 8 foot will be plenty for most 4-cylinder bikes. 
  16. Switch - Oil Pressure - CB750 - CX500 - CBX - GL1000 - GL1100
    Part #
    KL21-1463
    Oil Pressure Switch.  Equivalent to OEM: 37240-P13-013 Fits the following Honda motorycles: CB400 1978-1981 CM400 1979-1981 CX500 1978-1981 GL500 1981 CB550 1976-1978 CB650 1979-1982 CB750 1976-1983 CB900 1980-1982 CBX 1979-1982 GL1000 1976-1979 GL1100 1980-1981 VF1000 1984-1986 
  17. Ignition Switch (Rectangular Plug) CB500/550/750
    Part #
    EM40-37600
    Equivalent to OEM: 35100-341-700- Ignition Switch Honda (Rectangular Plug) CB500 CB550 CB750 
  18. Petcock - Honda - CB500T CB750 (1969-1974) SOHC
    Part #
    KL18-4129
    Petcock - Honda CB750 SOHC 1969-1974 CB500 Four Equivalent to OEM: 16950-300-020 
  19. Gasket Set CB750 (70-73) Complete Set
    Part #
    SU608-0156
    608-0156 Gasket Set Fits Honda CB750K1-K3 Complete Gasket Set for the CB750 4-cylinder motorcycles. Comprised of the following gaskets: Breather Cover 12329-300-020 (1)- Cylinder Head Cover 12391-300-306 (12391-300-040) (1)- 30.8mm O-Ring 91302-001-020 (8)- 5.8 x 1.9mm O-Ring 91305-323-000 (4)- 11 x 2.5mm O-Ring 9131... 
  20. Gasket Set CB750 (74-79) Complete Set
    Part #
    SU608-048
    Complete Gasket Set for the Honda CB750K4-K5 (74-75)- CB750 (76)- CB750A (76-78)- CB750F (75-78)- CB750K (77-78)- CB750 F/F1/F2 (77-79)- CB750K4-K6 (74-76)- CB750K7 (77-79) 4-cylinder motorcycles. Comprised of the following gaskets: Breather Cover 12329-300-020 (1)- Cylinder Head Cover 12391-300-306 (12391-300-030) (1)... 
  21. Gasket Set CB750 (74-79) Top Set
    Part #
    SU609-045
    Top Gasket Set for the Honda CB750K4-K5 (74-75) CB750 (76) CB750A (76-78) CB750F (75-78) CB750K (77-78) CB750 F/F1/F2 (77-79) CB750K4-K6 (74-76) CB750K7 (77-79) 4-cylinder motorcycles. Comprised of the following gaskets: Breather Cover 12329-300-020 (1)- Cylinder Head Cover 12391-300-306 (12391-300-030) (1)- O-Ring 30.... 
  22. Chain Rivet & Breaker Tool - Heavy-Duty
    Part #
    TU15-8135
    Motion Pro Heavy-Duty chain breaker. Designed to break 520 to 630 chain. This tool will rivet 520 to 530 chain.View Technical Documentation 
  23. AIR FILTER- K&N HA-0100 CB750
    Part #
    TU40-0062
    HA-0100 - K&N Air Filter - OEM Replacement - 17211-300-020- 17211-341-000- 17211-392-000- 17211-405-000. Fits Honda CB750 1969-76- CB750F/K 1975-78- CB750A 1976-78. Height: 2.75 in (70 mm)- Length: 7 in (178mm)- Width: 4in (102mm). 
  24. Air Filter (4) K&N RC-2314 (1) 39 High Flow Suzuki
    Part #
    TU40-0335
    RC-2314 - Round Tapered Universal Air Filters. Fits Honda CB750 1969-78. Fits Kawasaki KZ650 1977-82 with 24mm mechanical slide carbs (VM24s- not CV style carbs). Fits Suzuki GS550E/L 1977-79. Height: 3 in (76 mm)- Base Outside Diameter: 3 in (76 mm)- Top Outside Diameter: 2 in (51 mm)- Flange Inside Diameter: 1.562... 
  25. Lever - Front Brake Kawasaki/ Honda
    Part #
    TU07-0405
    Lever - Front Brake Fits: Kawasaki KZ1000-A1/B1-2 with round master cylinder Honda GL1000A CB750F/K CB550A/F/K CB500/T CB450K3-7 CB400F CB360G/T CB350F/G 
  26. Rear Shocks CB750 (1968-1976)
    Part #
    EM17-05600
    Rear Shocks CB750 (68-76). OEM style shock.   335mm / 13-3/16” eye-to-clevis 
  27. Rear Shocks CB750 (1977-1978)
    Part #
    EM17-05601
    Rear Shocks CB750 (1977-1978) OEM style shock.   335mm / 13-3/16” eye-to-clevis 
  28. Carburetor Kit - CB500 Four - 1971-1973 - Premium
    Part #
    200-1120
    The ultimate carb rebuild kit from Keyster.  For 1971-1973 Honda CB500 4-cylinder motorcycles.  Four (4) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these CB500 carbs. Included in the kit are: 4 x different... 
  29. Carburetor Kit - CB550-K1/K2 - Premium
    Part #
    200-1121
    The ultimate carb rebuild kit from Keyster.  For 1975-1976 Honda CB550-K1/K2 4-cylinder motorcycles.  Four (4) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these CB550 carbs. Included in the kit are: 4 x... 
  30. Carburetor Kit - CB750-K2 - Premium
    Part #
    200-1122
    The ultimate carb rebuild kit from Keyster.  For 1971 Honda CB750-K2 4-cylinder motorcycles.  Four (4) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these CB750 carbs. Included in the kit are: 4 x differe... 
  31. Carburetor Kit - CB750-K4 - Premium
    Part #
    200-1123
    The ultimate carb rebuild kit from Keyster.  For 1973 Honda CB750-K4 4-cylinder motorcycles.  Four (4) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these CB750 carbs. Included in the kit are: 4 x different Je... 
  32. Carburetor Kit - CB750-K6 - Premium
    Part #
    200-1124
    The ultimate carb rebuild kit from Keyster.  For 1975 Honda CB750-K6 4-cylinder motorcycles.  Four (4) kits are required to service a set of carbs. These kits contain parts not normally available - and help solve rough running issues related to these CB750 carbs. Included in the kit are: 4 x different Je... 
  33. Electronic Ignition Kit - CB750 - CB550 - CB500
    Part #
    200-1220
    Pamco Electronic Ignition Kit CB750, CB550, CB500. Includes: Pamco Electronic Ignition, Pamco Rotor, NGK Resistor Spark Plug Caps and Spark Plugs. Standard Ignition by Pamco, a proven reliable electronic trigger system that replaces the stock Honda breaker point type ignition. Works with original advance assembly par... 
  34. Carb Holders (4) - CB750 for VM29 VM28 VM26 carbs
    Part #
    SU005-026
    Aftermarket Honda CB750 SOHC carb holders - Fits Honda CB750 SOHC 1977-78 for VM29mm carbs.The will also work for installing VM26 & VM28 carbs from Kawasaki Z1- KZ900- KZ1000- Suzuki GS750- GS1000 motorcycles to fit on the CB750 SOHC motorcycles.See below for clamps for these - eight (8) needed for a set.. 
  35. Bolt Set CB350 F F1
    Part #
    NGSS-264
    Stainless Steel Engine Cover Bolt Set includes: 56 bolts and 3 Allen keys for a total of 59 pieces.These bolts are all SMOOTH head Allen bolts. We polish the bolts for 24-48 hours in a tumbler to get a bright even look. Primarily all visible bolts on lower covers - includes the bolts for: Cylinder Head Cover- Generat... 
  36. Bolt Set CB400 F 75-77
    Part #
    NGSS-198
    Stainless Steel Engine Cover Bolt Set includes: 27 bolts and 3 Allen keys for a total of 30 pieces.These bolts are all SMOOTH head Allen bolts. We polish the bolts for 24-48 hours in a tumbler to get a bright even look. Primarily all visible bolts on lower covers - includes the bolts for: Generator Cover- LH Cover- P... 
  37. Valve Exhaust CB750 SOHC 28.0mm
    Part #
    KI30-4188
    Valve - Exhaust - Standard - Honda CB750 SOHC 1969-72 (excluding F2) SPECS - Head Diameter 28.00mm/1.102" Stem Diameter .2580" Over All Length 4.040". Can be used with stock valve springs or Kibblewhite replacement springs. 
  38. Valve Intake CB750 SOHC 33.5mm
    Part #
    KI30-4187
    Valve - Intake - Oversized - Honda CB750 SOHC 1969-72 (excluding F2) SPECS - Head Diameter 33.50/1.319" Stem Diameter .2590" Over All Length 4.055" 
  39. Valve Intake CB750 SOHC 32.0mm
    Part #
    KI30-4186
    Valve - Intake - Standard - Honda CB750 SOHC 1969-72 (excluding F2) SPECS - Head Diameter 32.00mm/1.260" Stem Diameter .2590" Over All Length 4.040". Can be used with stock valve springs or Kibblewhite replacement springs. 
  40. Valve Guides Exhaust Std CB750
    Part #
    KI30-0383
    Valve Guides Exhaust Standard Fits Honda CB750A/F/K 
  41. Valve Guides Intake Std CB750
    Part #
    KI30-0379
    Valve Guides Intake Standard Fits Honda CB750A/F/K 
  42. Air Filter CB750
    Part #
    BAHFA1701
    HFA1701 Hi-Flo Brand. Equivalent to OEM: 17211-300-020- 17211-341-000- 17211-392-000- 17211-405-000 - Equivalent to EM12-90400 Fits Honda CB750/K/A/F 70-78- CB750F2/F3 80-81.View Technical Documentation 
  43. Piston Pin Circlip - Honda 15mm CB750
    Part #
    94601-15000
    Fits Honda CB750- CB550- CB900- CB650 
  44. Gearshift Seal - Honda - CB550 CB650
    Part #
    91202-426-003
    OEM 91202-426-003 - Honda Gearshift Drum Seal Fits CB550F 1977 CB550K 1977-78 CB650 1979-82 CB650C 1980-81 CB650SC 1982 
  45. Fr M/C Kit GL1000 CB750
    Part #
    45530-410-305
    OEM: 45530-410-305 - Front Master Cylinder Rebuild Kit - Honda GL1000 1978- CB750F 1977-78 
  46. Valve Exhaust CB750 SOHC 28.5mm
    Part #
    KI30-4189
    Valve - Exhaust - Oversized - Honda CB750 SOHC 1969-72 (excluding F2) SPECS - Head Diameter 28.50/1.122" Stem Diameter .2580" Over All Length 4.055" 
  47. Piston Rings CB750 (71-76)
    Part #
    KL11-5005
    Equivalent to OEM: 13011-300-024 - Standard - Fits Honda CB750 (SOHC) 71-76. Made in Japan 
  48. Tappet Cover CB750 CB550 CB400 CB350 CT70
    Part #
    KL12-1552
    Equivalent to OEM: 12361-371-980 12361-300-000  (sold as pair)  NOTE:Includes 91302-001-020 O-rings. Fits: Tappet Cover on CB750K/F CB550K/F CB400F SOHC models Final Drive Cover on GL1000, GL1100, GL1200, GL1500, CX500, CX650, GL500, GL650, V1100 Crankcase drain on CB750, CB900, CB1000, CB1100 DOH... 
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