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. APE 16 piece HD Cylinder studs CB750 SOHC
    Part #
    APCS750H
    OEM: CS750H- APE 16 piece HD Cylinder studs - Fits Honda CB750 SOHC thru 1978 
  7. 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 
  8. 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 
  9. 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... 
  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. 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... 
  12. Wheel Bearing Kit Rr
    Part #
    AB25-1361
    6304-2RS 6305-2RS 30-5502  - 2 wheel bearings and a seal Wheel Bearing Kit Rear Honda CB450K1-K2 68-69, CB450K3-K7 70-74, CB450T 65-67, CB500 71-73, CB500T 74-76, CB550F 75-77, CB550K 74-78, CL450 Scrambler K-K6 69-72View Technical Documentation 
  13. Ignition Points - Right Side - CB500 CB550 CB750
    Part #
    200-1252
    replaces Hitachi points. Equivalent to OEM: 30203-300-005 Points (1&4); Honda CB500K/K1/K2 CB550F (76-77) CB550K0/K1 CB550K (76-78) CB750A (76-78) CB750F (75-78) CB750K0-K5/K (76-78) - 30203-300-005 
  14. Ignition Points - Left Side - CB500 CB550 CB750
    Part #
    200-1253
    replaces Hitachi points. Equivalent to OEM: 30204-300-005 1J7-81621-10-00  Honda:  Left Side (2&3) CB500K/K1/K2 CB550F (76-77) CB550K0/K1 CB550K (76-78) CB750A (76-78) CB750F (75-78) CB750K0-K5/K (76-78) - 30204-300-005 Yamaha: Left Side - XS750/D/2D- XS2-D (77) - 1J7-81621-10-00 
  15. Ignition Points - Right Side - CB350F CB400F - GS750 GS850 GS1000
    Part #
    200-1254
    replaces KOKUSAN points. Equivalent to OEM: 30203-333-004 33172-36210 Points; RIGHT Honda: CB350F/F1 CB400F (75-77) 30203-333-004 Suzuki: GS550E (77-79) GS750B/C/EC/EN/L/N (77-79) GS850G (79) GS1000C/EC/EN/N (78-79) GS1000L/S (79) - 33172-36210 
  16. Ignition Points - Left Side - CB350F CB400F - GS750 GS850 GS1000
    Part #
    200-1255
    replaces NIPPONDENSO Points. Equivalent to OEM: 0204-333-004 31440-36210 Points; LEFT Honda: CB350F/F1 CB400F (75-77) - 30204-333-004 Suzuki: GS550E (77) GS750B/C/EC/EN/L/N (77-79) GS850G (79) GS1000C/EC/EN/N (78-79) GS1000L/S (79) - 31440-36210 
  17. Petcock - Honda - CB500T CB750 (1969-1974) SOHC
    Part #
    KL18-4129
    Petcock - Honda CB750 SOHC 1969-1974 CB500 Four Equivalent to OEM: 16950-300-020 
  18. 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. 
  19. Valve Keeper - 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... 
  20. Caliper Halves Seal - Rear - GL1000 CB750F VF1000
    Part #
    100-1156
    ANOTHER RANDAKK EXCLUSIVE!!!!This is the special rubber seal that joins the rear brake caliper halves on all models of Honda GL1000: 1975 -1979.This part is periodically ??discontinued? by Honda. For reference, the Honda part number is: 43217-371-006.Not only does it fit the GL1000, it fits other Honda models includi... 
  21. Gasket Cement - Three Bond - 1184
    Part #
    05-0001
    Gasket Cement - 1184 3-Bond #4 (Yamabond #4) - 100gram tube Gray semi-drying type. Use on gaskets except head gasket and on all surfaces without gaskets - excellent for crankcases. Three-Bond released 1184 as a replacement for 1104 and 1194. AKA Yama-Bond 
  22. Battery Charger - AGM - 12 volt - Deluxe
    Part #
    42-3512
    Deluxe 12 Volt Battery Charger for AGM (Absorbed Glass Mat) Batteries, Maintenance free,VRLA, Gel and conventional flooded lead acid batteries. UL & CSA Approved.Output is 1.25 Amps, 12 volt DC (maximum 14.5 Volts). 4 Stage Microprocessor controlled charging with automatic shutoff at full charge. 120v AC Input. 1.... 
  23. Battery - PTX14AHLBS-FS - AGM
    Part #
    61-2020
    High performance AGM Battery PTX14AHLBS-FS Absorbed Glass Mat(AGM) is the latest in motorcycle battery technology. Sealed AGM batteries completely eliminate the hassles of conventional battery maintenance. There is no liquid acid in the AGM battery. All of the acid is absorbed into the compressed glass matting in the... 
  24. Tank Emblem - CB750 F2 Supersport - 1977- 1978
    Part #
    BRHT07
    Tank Emblem Honda CB750 F0- F1- Supersport- 1976- 1977  
  25. Oil Filter Bolt Honda
    Part #
    EM11-46400
    Equivalent to OEM: 15420-333-000 - Oil Filter Bolt Fits Honda: CB650S/SC- 1979-1982 CB750F - 1977-1978 
  26. Ignition Switch (Rectangular Plug) CB500/550/750
    Part #
    EM40-37600
    Equivalent to OEM: 35100-341-700- Ignition Switch Honda (Rectangular Plug) CB500 CB550 CB750 
  27. Fork Seal & Wiper Kit VF750 CB900 CB1000 GL1100
    Part #
    KL15-4974
    Equivalent to OEM: 91254-463-003 51490-MB9-782 51490-MB9-781 51490-463-305 Fork Seal and Wiper Kit - Fits Honda CB650SC CX650C VF700C/F VT700C VF750C/F VT750C VT800C CB900F CB1000C CBX CB1100F GL1100/A/I See below for seal puller 
  28. Wire Spike Cleaner Set
    Part #
    KL35-3498
    Useful tool for cleaning carb and carb jet orifices, master cylinder return holes, welder tips- etc. Assortment of different gauge wire tips. 
  29. Seal Puller Adjustable
    Part #
    KL35-9614
    Adjustable oil seal puller with two tips- Head adjusts to 5 positions works well removing fork seals and other deep set seals. No more battling trying to remove stubborn seals - those hard to reach fork seals are no match for this tool 
  30. Gasket Clutch Case Cover CB750A/F/K SOHC
    Part #
    SU643-1001
    Equivalent to OEM: 11396-300-060- Clutch Case Cover Gasket Fits Honda CB750 1970 CB750K1-K5 1971-75 CB750 1976 CB750A/F 1976-78 CB750K 1977-78 CB750F1-F2 CB750K6/K7 
  31. 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 
  32. NGK Spark Plug Cap 12mm & 10mm 120 degree VD05F
    Part #
    TU38-1008
    NGK Stock Number 8052, VD05F Black NGK 5k ohm resistor plug cap.  120 degree elbow - for 12mm or 10mm thread spark plugs with terminal stud. Rubber waterproof boot to seal out the elements.   Please note - some models take two types of plug caps.  The following table shows what was fitted to your motor... 
  33. NGK Spark Plug Cap 12mm & 10mm 102 degree XD05F
    Part #
    TU38-1006
    NGK Stock Number 8072, XD05F Black NGK 5k ohm resistor plug cap. 102 degree elbow, long style - for 12mm or 10mm thread spark plugs with terminal stud. Rubber waterproof boot to seal out the elements.   Please note - some models take two types of plug caps.  The following table shows what was fitted to your... 
  34. NGK Spark Plug Cap 12mm & 10mm Straight SD05F
    Part #
    TU38-1004
    NGK Stock Number 8022, SD05F Black NGK 5k ohm resistor plug cap.  Straight - for 12mm or 10mm thread spark plugs with terminal stud. Rubber waterproof boot to seal out the elements.   Please note - some models take two types of plug caps.  The following table shows what was fitted to your motorcycle or... 
  35. NGK 12mm D8EA Spark Plug
    Part #
    TU38-0036
    OEM: 2120 10% discount on orders of 10 spark plugs or more 12mm thread. NGK plugs provide a reliable spark. If you need a hotter running plug select D7EA or a colder running plug select D9EA plugs.  Standard plugs on the following motorcycles: MAKE YEAR ENGINE CLASS MODEL HONDA 1972-1974 3... 
  36. NGK 12mm D7EA Spark Plug
    Part #
    TU38-0034
    OEM: 7912 10% discount on orders of 10 spark plugs or more 12mm thread. NGK plugs provide a reliable spark. If you need a colder running plug select D8EA plugs. Standard plugs on the following motorcycles: MAKE YEAR ENGINE CLASS MODEL HONDA 1971-1973 500 CB500F HONDA 1975-1977 550 CB55... 
  37. 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... 
  38. 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). 
  39. 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 
  40. 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)... 
  41. Gasket Set CB550 (74-79) Top Set
    Part #
    SU609-050
    Top Gasket Set for the Honda CB550/K1/F/F1-F3/K3 4-cylinder motorcycles. Comprised of the following gaskets: Breather Cover 12329-323-000 (1)- Cylinder Head Cover 12391-323-000 (1)- O-ring 30.8mm 91302-001-020 (12)- O-ring 11x2.5mm 91303-035-000 (3)- O-ring 6x3mm 91319-323-000 (4)- O-ring 10x1.6mm 91301-200-000 (8)- O-... 
  42. 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.... 
  43. Gasket Set CB400 (75-77) Complete Set
    Part #
    SU608-170
    Complete Gasket Set for the Honda CB400F 4-cylinder motorcycles. Comprised of the following gaskets: Breather Cover 12329-333-306 (12329-333-010) (1)- Cylinder Head Cover 12391-333-000 (1)- Cylinder Head 12251-377-306 (12251-377-000) (1)- O-ring 30.8mm 91302-001-020 (8)- O-ring 27x2.4mm 16173-253-004 (4)- O-ring 10x1.6... 
  44. 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... 
  45. 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... 
  46. Rear Shocks - CB750 - 1968-1976
    Part #
    EM17-05600
    Rear Shocks CB750 (68-76). OEM style shock.   335mm / 13-3/16” eye-to-clevis 
  47. Rear Shocks - CB750 - 1977-1978
    Part #
    EM17-05601
    Rear Shocks CB750 (1977-1978) OEM style shock.   335mm / 13-3/16” eye-to-clevis 
  48. 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... 
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