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1980 Honda CB125S Oil Service Parts

Preparing an oil change on your 1980 Honda CB125S is a useful time to check the drain fitting. The magnetic replacement featured here carries a specific thread and reference number. Confirm the sealing arrangement before gathering the parts for the job.

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Currently viewing Oil Filters, Drain Plugs, Oil Pump & Gauges

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Honda CB900 CB750 CB700 CB650 drain plug washer

Honda CB900/CB750/CB700/CB650 Drain Plug Washer

$1.75 USD
15-0006
Fit the smaller 12mm drain plug washer with this 12mm x 18mm x 1mm Drain Plug Crush Washer. Broad fitment across the SOHC CB750,...
Honda CB900 CB750 CB700 CB650 CB550 magnetic oil drain plug

Honda CB Magnetic Oil Drain Plug

$12.95 USD
15-0016
Fit a 12mm magnetic drain plug with this Magnetic Oil Drain Plug, 12mm diameter x M1.5, replacing OEM #92800-12000. Broad fitment across the SOHC...
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Honda CB750 CB700 performance magnetic oil drain plug joker machine

Honda CB Performance Magnetic Oil Drain Plug ~ Joker Machine

$49.95 USD
73-1074
Catch metal debris from your engine with this Joker Machine Brand Custom Performance Magnetic Oil Drain Plug, 12mm dia x M1.5, OEM #92800-12000.The plug...
Honda CB125 CB100 oil pump gasket 15126-107-020

Honda CB125 / CB100 Oil Pump Gasket ~ Replaces 15126-107-020

$2.95 USD
73-1196
Ensure a secure, leak-free seal during your engine rebuild or maintenance with this Oil Pump Gasket. Precisely engineered to replace OEM# 15126-107-020, this gasket...
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Honda CB125 CB100 Honda oil filter screen spring 15426-107-000

Honda CB125 / CB100 Genuine Honda Oil Filter Screen Spring ~ OEM 15426-107-000

$25.00 USD
99-5044
Upgrade or restore your classic Honda motorcycle with this Genuine Honda Oil Filter Screen Spring — precision‑engineered and quality made in Japan. This authentic...
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Honda CB100 CB125 oil filter screen 15421-107-000

Honda CB100 / CB125 Oil Filter Screen ~ Replaces 15421-107-000

$5.64 USD
01-8998
Protect your small-displacement Honda's engine with this Oil Filter Screen, a direct replacement for OEM #15421-107-000. Fits the CB100K and CB125S series, filtering debris...
Honda CB125 CB100 oil filter cap gasket 15459-KT0-710

Honda CB125 / CB100 Oil Filter Cap Gasket ~ Replaces 15459-KT0-710

$5.95 USD
73-1197
Maintain proper oil system sealing with this high-quality Oil Filter Cap Gasket. This direct replacement meets OEM specifications to ensure a leak-free seal when...
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1980 Honda CB125S · Oil Service Parts Buying guide

Match the drain fitting before the oil change

This guide focuses on the magnetic drain plug within the oil-service range. Compare its M12 × 1.5 thread with the fitted connection, then plan the seal and installation checks separately.

Parts to consider

Honda CB Magnetic Oil Drain Plug M12 × 1.5 magnetic drain plugMagnetic steel-debris capture; replaces reference 92800-12000.View part

Use the full reference when comparing replacements

Reference 92800-12000 identifies the replacement cross-reference supplied for this plug. Combine it with the stated 12 mm diameter and 1.5 mm pitch when comparing an old fitting. A similar head shape or wrench size is not enough to establish thread compatibility.

Look at the sealing surface as well as the plug

A fresh drain plug is only one part of preparing a sound oil-service job. Check the condition of the opening and its sealing surface before ordering. Use the service manual for the required sealing method and tightening procedure rather than estimating from the plug size.

Buying questions

Does this drain plug come with a sealing washer?

A supplied washer is not confirmed in the product details. Confirm the sealing part needed for your drain arrangement before ordering so the oil change is not held up by a missing item.

Will this standard-size plug solve a damaged drain thread?

Have damaged or repaired threads assessed first. This is an M12 × 1.5 replacement, and that specification alone does not establish a repair for an enlarged opening or an existing thread insert.

Which tightening specification should I use?

Follow the appropriate CB125S service information and any instructions supplied with the replacement. No torque value is established by the plug’s diameter or magnetic feature, so avoid choosing one from a similarly sized bolt.

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