Manufacturer facts
- 149 cc, air-cooled four-stroke single-cylinder engine. Exact market and variant still require identification. (Export catalogue; year not stated)
Top repairs for the Haojue HJ150-8
The jobs that keep a commuter bike like this safe and running, from rider checks to workshop jobs. These are routine maintenance and common checks for this type of bike, not a ranking of faults.
- Pre-ride checkRider job · 2 min daily; 10 to 15 min weekly
- Check tyre pressureRider job · 5 min
- Inspect tyres for wear and damageRider job · 10 min
- Check wheel bearingsHome workshop · 15 to 30 min
- Change the engine oil and clean the strainerHome workshop · 40 to 60 min
- Clean or replace the air filterRider job · 15 to 40 min (estimate, plus drying time for foam)
- Remove, check, gap and fit a spark plugRider job · 15 to 20 min
- Inspect and replace clutch plates and springsWorkshop job · 1.5 to 3 h (assessment and plate change, engine in frame)
Check your version first. Confirm carburettor versus injection, kick versus electric start, front/rear brake type and chain specification. Use the values in your bike's manual.