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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. 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... 
  2. 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 
  3. 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... 
  4. 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... 
  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 #
    200-2026
    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. Headlight Rim Assembly - Honda - CB750 - GL1000 - CX500
    Part #
    200-2025
    7 inch Headlight Rim Assembly - Honda CB750 GL1000 CX500 Equivalent to OEM:#33101-300-673#33101-371-673#33101-371-980 
  9. Feeler Gauges .004 .005 inch (1)
    Part #
    200-1708
    Tappet Feeler Gauges - .004 - .005 inch - Individual Allows accurate tappet adjustments Angled blade for easy access to tappets Makes valve adjustments quick and easy Made in the U.S.A. 
  10. Feeler Gauges .002 .003 inch (1)
    Part #
    200-1707
    Tappet Feeler Gauges - .002 - .003 inch - Individual Allows accurate tappet adjustments Angled blade for easy access to tappets Makes valve adjustments quick and easy Made in the U.S.A. 
  11. Feeler Gauges .006 .008 inch (1)
    Part #
    200-1709
    Tappet Feeler Gauges - .006 - .008 inch - Individual Allows accurate tappet adjustments Angled blade for easy access to tappets Makes valve adjustments quick and easy Made in the U.S.A. 
  12. JIS Screwdrivers - Set of Three #1- #2- #3
    Part #
    JF002
    Set of three high quality JIS Screwdrivers - Chrome Vanadium with Magnetic tips. Guaranteed for life. #1- #2 & #3 sizes. "full tang" - meaning that they are a one piece shaft from tip to tip with a hex bolster end. Every screw on every Japanese designed motorcycle from the 1950s right up to the newest bikes in th... 
  13. Cylinder Head Rubber Seal CB750 CB650 CB550 CB500 - Pkg 6
    Part #
    200-1600
    Cylinder Head Rubber Seal - Pkg 6 Equivalent to OEM 91318-300-013 Made in Japan Honda Cylinder Head Rubber Seal 25mm diameter. Fits Honda CB500/K1/K2 Four Cylinder CB550K/K1/F CB650 1979-1982 CB750 1969-1978 
  14. Fork Seal & Wiper Kit - CX500 GL500 CB650 CB750 CBX - XS400
    Part #
    AB56-115
    Fork Seal & Dust Seal Kit BMW K1200 GT 01-04, K1200 RS 96-05, K1200LT 97-08, K1200RS 96-04, R1100GS 94-99, R1100R/RT 94-00, R1100RS 92-01, R1100S 97-04, R1150 ADV 01-05, R1150GS 98-03, R1150R 00-06, R1150R Rockster 02-05, R1150RS 00-04, R1150RT 00-06, R1200C/CL 96-05, R1200RT 10-14, R850R 94-01, R900RT 05-10, H... 
    • Out of stock
  15. Fork Seal & Wiper Kit - CB360 CB400 CB450 CX500 - KZ400 KZ440 - GS400 - XS400
    Part #
    AB56-114
    Fork Seal & Dust Seal Kit Honda CB360 74-77, CB400A 78, CB400F 75-77, CB400T 78-81, CB450SC 82-86, CB450T 82, CJ360T 76-77, CL360 Scrambler K-K1 74-75, CM400 79-81, CM450A 82-83, CM450C 82, CM450E 82-83, CR80 84, CX500 78-79, CX500C 79-80, CX500D 79-81, TL250 75-76, Kawasaki EX305B1GP 83, KX80 83, KZ305 81-88,... 
  16. Fuel Line clear 1/8" ID 1/4" OD
    Part #
    200-1800
    Motion Pro Clear Fuel Line - 1/8" Internal Diameter- 1/4" Outside Diameter. 25 foot Roll.  This hose can be used for float bowl overflow hose, carb sync gauge hose or petcock vacuum hose. 
  17. Starter Clutch Kit - KZ650 KZ750 KZ1300 - CX500 CB750 - GS750 GS1000
    Part #
    KL20-6433
    Equivalent to OEM: 92122-004 92043-087 92081-110 91101-516-000 28126-415-000 28125-516-030 09261-15001 09440-04015 12633-31000 Starter Clutch Rebuild Kit contains three (3) each of the roller, spring and spring cap. Fits Kawasaki KZ440 1980-1983 EN450 9185-1990 EN500 1990-1996 EX500 1987-1998 KZ650 KZ700 KZ... 
  18. DOHC Four Float Bowl Drain Screws
    Part #
    200-3045
    Float Bowl Drain Screw with o-ring.    Head diameter 6mm                      Thread – M6 x 1.0  Overall Length – 25.5mm with just the thread and taper 19mm Sold individually. Nice brass copy of the screws that fit the following H... 
  19. Main Wiring Harness KZ900
    Part #
    100-1636
    Main Wiring Harness - Fits CB750K Four 1976 
  20. Main Wiring Harness KZ900
    Part #
    100-1631
    Main Wiring Harness - Fits CB750K Four 1972 
  21. Main Wiring Harness KZ900
    Part #
    100-1630
    Main Wiring Harness - Fits CB500 Four Fours 1972-1973 
  22. Main Wiring Harness KZ900
    Part #
    100-1634
    Main Wiring Harness - Fits CB550k Fours 1974-1975 
  23. Main Wiring Harness KZ900
    Part #
    100-1633
    Main Wiring Harness - Fits CB400 Fours 1975-1977 
  24. Main Wiring Harness KZ900
    Part #
    100-1632
    Main Wiring Harness - Fits CB350 Fours - all years 
  25. Ignition Condenser CB750 CB550
    Part #
    200-1241
    Equivalent to OEM: 30250-300-005 Condenser;  Two (2) needed per motorcycle Honda CB500-K2 (71-73) CB550K-K2 (71-73) CB550K (76-78) CB550F (75-77) CB750A (76-78) CB750F/K (76-78) CB750K0-K5 
  26. 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 
  27. 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 
  28. Ignition Points - Left Side - CB500 CB550 CB750 - XS750
    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 
  29. 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 
  30. 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 
  31. 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... 
  32. 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... 
  33. 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... 
  34. Petcock - Honda - CB500T CB750 (1969-1974) SOHC
    Part #
    KL18-4129
    Petcock - Honda CB750 SOHC 1969-1974 CB500 Four Equivalent to OEM: 16950-300-020 
  35. 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 
  36. 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. 
  37. 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... 
  38. Caliper Halves Seal - Rear - GL1000 CB750F VF1000
    Part #
    100-1156
    ANOTHER RANDAKK EXCLUSIVE!!!! This is the special rubber seal that seals the rear brake caliper halves. Fits: GL1000 1975-1979. CB750F 1975-1976 VF1000R 1985-1986 This part is discontinued by Honda. For reference, the Honda part number is: 43217-371-006. Our exact reproduction is constructed of superio... 
  39. 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 
  40. 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... 
  41. 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... 
  42. 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... 
  43. 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... 
  44. 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... 
  45. Internal Circlip Pliers Motion Pro
    Part #
    200-1700
    Allows removal of internal snap rings used in hydraulic master cylinders Replaces Honda# 07914-SA50001 Can be used to remove and replace small to medium internal snap rings up to 50 deep- including those used for transmission gear locating- bearing retention- and oil seal retention Applicable to some fork seal retainin... 
  46. Cable Speedo CX500 GL500 CB750 CB900 GL1000
    Part #
    TU06-2280
    Motion Pro Speedo Cable 02-0280 - 40" long (end-to-end for inner cable). Fits Honda XL250- XL350- CM450A- CM450C- CX500C- GL500/500I- XR650L- CB750A- CB900C- CBR1000F- GL1000- GL1000LTD.IMPORTANT: Cables must be lubricated prior to installation and use. Failure to lube this cable before installation as well as periodic... 
  47. Cable Tach CL350 CX500 CB350/500/550/650/750 GL650
    Part #
    TU06-2177
    Motion Pro Tach Cable 02-0177 - 27.25 long (end-to-end for inner cable) Fits Honda CB350G- CL350K- CB500K- CX500- CX500C- CX500D- CB550F- CB550K- CB650- CB650C- CB650SC- GL650/650I- CB750F- CB750K1-K4- CB750K. IMPORTANT: Cables must be lubricated prior to installation and use. Failure to lube this cable before installa... 
  48. Cable Choke CB550 CB750 CB900
    Part #
    TU06-2157
    Motion Pro Choke Cable 02-0157 - 36.25 long (end-to-end for inner cable) Fits Honda CB550K- CB750A- CB750C- CB750F- CB750K- CB750L- CB900C- CB900F.IMPORTANT: Cables must be lubricated prior to installation and use. Failure to lube this cable before installation as well as periodic lubrication according to your bike's s... 
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