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1972 Honda CB175K6 Starter & Charging Parts

A starter-circuit repair and a charging-unit replacement need different checks. Identify the fault area before ordering for your 1972 CB175K6, then compare the solenoid connections or battery charging requirements as appropriate. The two regulator versions have distinct restrictions that matter before either is selected.

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Currently viewing Starter & Charging System

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Honda CB750 CB550 CB500 CB350 starter solenoid relay 35850-371-670

Honda CB Starter Solenoid Relay ~ Replaces 35850-371-670

$21.46 USD
09-6582
Replace a failing starter solenoid with this Starter Solenoid Relay, replacing OEM #35850-371-670 / #35850-306-670 / #35850-HA7-670. Fits the SOHC CB750 lineup plus CB500/CB550K,...
Honda CB1100 CB1000 starter motor terminal rubber boot 32411-230-000

Honda CB Starter Motor Terminal Rubber Boot ~ Replaces 32411-230-000

$4.61 USD
73-0092
Replace your starter motor terminal cover with this Starter Motor Terminal (Cover) Rubber Boot, replacing OEM #32411-230-000.Key Features• Starter motor terminal rubber boot• Replaces...
Honda CB750 CB450 CB350 CB200 CB175 front cable clip 45465-270-000

Honda CB Front Cable Clip ~ Replaces 45465-270-000

$7.00 USD
73-1116
Keep your wiring clean and secure with this Front Cable Clip, designed to hold the stop switch wires neatly against the front cable. Replaces...
New
Honda CB500 CB450 CB360 hot shot rectifier regulator 31400-292-670

Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670

$189.95 USD
24-2089
Upgrade your charging system with this Rick's Electric Hot Shot Rectifier/Regulator, replacing OEM #31400-292-670 / #31700-455-671 / #31700-292-008. Combination unit works with the stock...
Honda CB500 CB450 hot shot rectifier regulator lithium ion battery

Honda CB Hot Shot Rectifier/Regulator ~ Lithium Ion Battery Compatible

$169.95 USD
24-2014
Upgrade your CB450, CB500T, CB350, CB360, or small classic with Rick's Electric Hot Shot Lithium Ion Rectifier/Regulator. This combination unit works with the stock...
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1972 Honda CB175K6 · Starter & Charging Buying guide

Separate the starting circuit from charging choice

The solenoid is a starter-circuit component. The lead-acid and lithium-ion rectifier/regulators are alternatives selected around battery requirements, with mounting and connections checked on the motorcycle after the correct version is identified.

Parts to consider

Honda CB Hot Shot Rectifier / Regulator ~ Replaces 31400-292-670 Lead-acid rectifier/regulatorRick’s Electric combination unit for standard lead-acid batteries; not compatible with lithium-ion batteries.View part Honda CB Hot Shot Rectifier/Regulator ~ Lithium Ion Battery Compatible Lithium-ion rectifier/regulatorLithium-ion-only unit with a 14 V ±0.2 set point; 54 × 57 × 35 mm. Battery compatibility must be checked.View part

Related parts: Starter solenoid relay

Choose chemistry before comparing the regulator

The lead-acid unit excludes lithium-ion batteries. The lithium-ion unit excludes standard lead-acid batteries and uses a 14 V ±0.2 set point. Check that specification with the battery maker; then compare mounting space, wiring and the fitted charging equipment before proceeding with the choice.

Keep the solenoid order tied to inspection

The linked replacement solenoid carries three catalog reference numbers, so compare it with the fitted starter-circuit component and its mounting. Do not select it solely because the motorcycle will not crank. Use the appropriate diagnostic procedure to distinguish a solenoid issue from battery, cable or other circuit faults.

Buying questions

Can the lithium-ion unit charge my lead-acid battery?

The lithium-ion version explicitly excludes standard lead-acid use. Choose the version that matches the battery chemistry and verify its charging specification rather than treating the two units as interchangeable.

What space does the lithium-ion unit need?

Its stated body dimensions are 54 mm long, 57 mm wide and 35 mm high. Compare the actual mounting area and connections as well; those measurements alone do not verify a changed installation.

Should slow cranking automatically mean a new solenoid?

Use the appropriate starter-circuit checks before buying. Battery condition, cables and connections also need assessment; a solenoid’s presence in the model category does not identify the cause of the symptom.

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

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