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1971 Honda CB350K3 Engine Parts

Plan the work around your 1971 CB350K3 twin’s actual condition. Overhaul gaskets, standard pistons, valves and cam-chain parts serve different repairs; the centrifugal oil filter has its own cover and internal hardware. Measure first, then build the order around the parts you need.

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Honda CB750 CB400 CB350 shift shaft seal 14 x 28 x 7 91206-286-013

Honda CB Shift Shaft Seal ~ 14 x 28 x 7 ~ Replaces 91206-286-013

$4.61 USD
73-0959
Replace your shift shaft seal with this Shift Shaft Seal, 14 x 28 x 7, replacing OEM #91206-286-013. High-quality, made in Japan.Key Features• Shift...
Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

Honda CB Piston Pin Clips 15mm Pk/2 ~ Replaces 94601-15000

$1.95 USD
05-7201
Secure your piston pins with this 2-pack of 15mm Piston Pin Clips, Japanese made to superior quality and replacing OEM Ref. #94601-15000. Exceptionally broad...
Honda CB750 CB650 CB550 front sprocket lock plate set 23811-292-000

Honda CB Front Sprocket Lock Plate Set ~ Replaces 23811-292-000

$5.95 USD
49-0782
Replace your front sprocket lock plate with this Front Sprocket Lock Plate with 2 lock plate bolts. Always good to replace these when installing...
New
Honda CB750 CB550 CB500 rear shock swingarm bushing 40548-268-000

Honda CB Rear Shock Swingarm Bushing ~ Replaces 40548-268-000

$6.20 USD
28-6918
Rear shock swingarm bushing designed to replace the original Honda component, matching OEM reference 40548-268-000. Fits between the shock and swingarm to provide proper...
Honda CB750 CB350 CL350 cam chain 219T x 94 14401-286-003

Honda CB750 / CB350 / CL350 Cam Chain ~ 219T x 94 ~ Replaces 14401-286-003

$89.95 USD
52-3027
Replace your CB750 or CB350 cam chain with this Daido 219T x 94 Cam Chain, replacing OEM #14401-286-003. Non-endless type with joiner clip link...
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Honda CB valve tappet cover rocker cap 12361-300-000

Honda CB Valve Tappet Cover / Rocker Cap ~ Replaces 12361-300-000

$6.95 USD
01-9980
Dress up your Honda's top end with this Valve Tappet Cover (Rocker Cap), an aftermarket finned chrome-plated replacement for OEM #12361-300-000. Fits an exceptionally...
Honda CB750 CB350 CB200 cam chain guide roller brand 14601-312-000

Honda CB Cam Chain Guide Roller ~ Genuine Honda Brand ~ Replaces 14601-312-000

$49.95 USD
99-5285
Maintain proper cam chain tension and engine timing with this Cam Chain Guide Roller, a genuine Honda component manufactured in Japan for dependable quality...
Honda CB750 SOHC cam roller collar 14606-286-000

Honda CB750 SOHC Cam Roller Collar ~ Replaces 14606-286-000

$7.50 USD
05-8002
Complete your cam chain tensioner rebuild with this Cam Roller Collar, replacing OEM Ref. #14606-286-000. Pairs with the cam roller pin in the tensioning...
Honda CB750 CB350 CL350 SL350 cam chain guide 14611-312-000

Honda CB Cam Chain Guide ~ Replaces 14611-312-000

$29.95 USD
07-9966
Replace a worn cam chain guide on your early CB750 or CB350 family bike with this Cam Chain Guide, replacing OEM #14611-312-000. Fits the...
Honda CB750 SOHC cam chain guide pin 14612-286-000

Honda CB750 SOHC Cam Chain Guide Pin ~ Replaces 14612-286-000

$3.50 USD
05-8006
Mount your cam chain guide correctly with this Cam Chain Guide Pin, replacing OEM Ref. #14612-286-000. Fits the SOHC CB750 lineup plus the CB/CL/SL350...
Honda CB750 SOHC cam roller pin 14605-286-020

Honda CB750 SOHC Cam Roller Pin ~ Replaces 14605-286-020

$6.95 USD
05-8001
Replace a worn cam chain roller pin with this Cam Roller Pin (Shaft #2), replacing OEM Ref. #14605-286-020. A critical internal component of the...
Honda CB350 CB360 exhaust valve 14721-286-305

Honda CB350 / CB360 Exhaust Valve ~ Replaces 14721-286-305

$19.95 USD
01-9954
Restore proper engine performance with this Exhaust Valve, designed as a direct replacement for the original Honda component. This valve replaces OEM part numbers...
Honda CB350 CB360 intake valve 14711-286-030

Honda CB350 / CB360 Intake Valve ~ Replaces 14711-286-030

$19.95 USD
01-9953
This intake valve is designed as a direct replacement for the original Honda component, matching OEM reference number 14711-286-030. It plays a key role...
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Honda CB350K CL350K centrifugal oil filter cover assembly kit 15481-312-000

Honda CB350K / CL350K Centrifugal Oil Filter Cover Assembly Kit

$64.95 USD
15-3029
Aftermarket centrifugal oil filter cover assembly kit for the Honda CB350K and CL350K models listed below. This kit replaces the original oil filter cover...
New
Honda CB360 CB350 CL350K0 CL350K2 clutch ball retainer 22860-286-000

Honda CB Clutch Ball Retainer ~ Replaces 22860-286-000

$16.95 USD
99-4850
Restore crisp clutch engagement and reliable function with this Clutch Ball Retainer — designed to replace OEM #22860‑286‑000 on a variety of classic Honda...
Honda CB350 CL350K2 CL350K3 CL350K4 SL350K1 Athena overhaul gasket set

Honda CB Athena Overhaul Gasket Set

$84.95 USD
18-0383
Rebuild your CB350, CL350, or SL350 engine with this Athena Overhaul Engine Gasket Set. Athena of Italy is an original-equipment supplier to Yamaha, Honda,...
Honda CB350 CL350K0 performance kibblewhite exhaust valve guide

Honda CB High Performance Kibblewhite Exhaust Valve Guide

$49.95 USD
12-0094
Match the intake guide with this Kibblewhite Exhaust Valve Guide (standard size). Same C63000 nickel-aluminum bronze construction, same airflow-optimized profile. Made in the USA....
New
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Honda CB500 CB450 joker machine magnetic oil drain plug 90013-312-000

Honda CB Joker Machine Magnetic Oil Drain Plug ~ Replaces 90013-312-000

$64.95 USD
12-0108
Catch engine debris between oil changes with this Joker Machine Magnetic Oil Drain Plug with O-ring, replacing OEM #90013-312-000. High-quality 6061 billet aluminum body...
Honda CB350 CL350K0 CL350K1 performance kibblewhite intake valve guide

Honda CB High Performance Kibblewhite Intake Valve Guide

$49.95 USD
12-0093
Fit a premium valve guide to your CB350K or CL350K with this Kibblewhite Intake Valve Guide (standard size). Made from copper-based C63000 nickel-aluminum bronze:...
New
Honda CB350G std piston kit w rings and pin 13101-312-010

Piston Kit with Piston Rings and Pin ~ Standard Size (07-0185)

$69.95 USD
07-0185
Upgrade or rebuild your classic Honda motorcycle engine with this Standard Size Piston Kit — complete with piston, piston rings, and piston pin. This...
New
Honda CB350 CL350K0 CL350K2 CL350K3 drive chain adjuster w nut and bolt 40543-286-000

Honda CB Drive Chain Adjuster with Nut & Bolt ~ Replaces 95014-17000 / 40543-286-000

$24.95 USD
99-4855
Upgrade or restore your classic Honda motorcycle’s rear drive system with this Drive Chain Adjuster with Nut and Bolt — a quality replacement designed...
Honda CB500 CB450 CB360 special oil filter rotor washer 90481-292-000

Honda CB Special Oil Filter Rotor Washer ~ Replaces 90481-292-000

$9.46 USD
29-7034
Replace your oil filter rotor washer with this Special Angled Oil Filter Rotor Washer (16mm), replacing OEM #90481-292-000.Key Features• Special angled oil filter rotor...
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1971 Honda CB350K3 · Engine Buying guide

Plan a measured rebuild of the CB350 twin

An oil leak, worn cylinder and tired cam-chain roller call for different shopping lists. Separate external sealing work from internal engine repairs before choosing a gasket set or committing to standard-size pistons.

Parts to consider

Honda CB Athena Overhaul Gasket Set Athena Overhaul Gasket SetEngine overhaul gasket set with a stated 1970–72 CB350K application.View part Piston Kit with Piston Rings and Pin ~ Standard Size (07-0185) Standard Piston KitOne standard-size piston with rings, pin and clips; two kits cover both cylinders.View part Honda CB350 / CB360 Intake Valve ~ Replaces 14711-286-030 Intake ValveReplacement intake valve for the CB350K twin, sold individually.View part

Related parts: Centrifugal Oil Filter Cover Kit

Buy pistons after the inspection

The standard piston kit supplies one piston, its rings, pin and clips. Two kits cover both cylinders, but that quantity does not establish the correct bore size. Have the cylinders assessed before ordering; an engine previously rebored needs a different piston selection.

Build the sealing order around the job

An overhaul gasket set suits broader engine work, while the separate shift-shaft seal addresses one specific location. For centrifugal filter work, check the cover, sealing ring and internal oil-guide pieces. Do not assume the overhaul set supplies every seal or internal filter component.

Buying questions

Will one piston kit rebuild both cylinders?

No. Each standard-size kit contains parts for one piston. Order two only after confirming that both cylinders are suitable for standard-size pistons; measured bore condition determines the size you need.

What should I check before buying an overhaul gasket set?

List the covers and joints the repair will disturb, then compare the set contents with that list. Add separately required oil seals or filter components only after checking what your particular job needs.

Does this engine use a replaceable paper oil filter?

The CB350K3 uses a centrifugal oil filter. The linked filter-cover kit services its cover and internal oil-guide pieces. Plan this work using the CB350 service manual rather than looking for a paper cartridge.

Not sure which part you need?

Send your model and year, plus photos of your existing part and any changes to the original setup.

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