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Haojue HJ125 series (verify local model) engine oil

Engine oil for the Haojue HJ125 series (verify local model): when to replace it, what it costs, where to buy it and how to fit it.

Replace3,000-5,000 km mineral, longer synthetic
Typical priceUS$ 5 to 60
Difficulty1 of 5
Safety-criticalNo
Engine oil for the Haojue HJ125 series (verify local model)Illustration

Workshop photos

API service mark with SAE 10W-40 and no Energy Conserving text
API service mark with SAE 10W-40 and no Energy Conserving text
API SJ 10W-30 mark with Energy Conserving text
API SJ 10W-30 mark with Energy Conserving text
API starburst symbol for gasoline engines
API starburst symbol for gasoline engines
Pouring oil into a single-cylinder engine
Pouring oil into a single-cylinder engine

Check the specification. Brake and drive details for this model vary by market; confirm yours before you buy.

Where to buy

Check the part number for your model year before you buy. Genuine (OEM) parts first; good aftermarket parts are fine for wear items. Links open shop searches; Moto Zero earns nothing from them today and will say so here if that changes.

Fit it yourself

Change the engine oil and clean the strainerHome workshop · 40 to 60 min (estimate)Check the engine oil levelRider job · 5 to 10 min (estimate, includes warm-up and settling)
See it working in 3D →How it works

Fitment

ModelHaojue HJ125 series (verify local model)
TypeBoda-boda
Engine125-150 cc
Final driveChain
BrakesDrum
Main marketsKE/Africa

Questions

How often should I replace the engine oil on a Haojue HJ125 series (verify local model)?

As a guide, 3,000-5,000 km mineral, longer synthetic. The owner's manual for your model wins, and riding on dusty roads, with a passenger or with heavy loads shortens it.

How much does a Haojue HJ125 series (verify local model) engine oil cost?

Typically US$ 5 to 60, depending on genuine or aftermarket and the shop. Prices are indicative.

Can I replace the engine oil myself?

The job is rated 1 of 5 for difficulty. Follow the step-by-step guide and the values for your model.

More parts for the Haojue HJ125 series (verify local model)

Illustration
Chain and sprocket kit
Illustration
Drum brake shoes
Illustration
Tyres and inner tubes
Illustration
Spark plug
Illustration
Air filter
Illustration
12V battery

All parts for the Haojue HJ125 series (verify local model) → Engine oil for other bikes →