Hb Atv 125 Service Manual Jun 2026

Remove the oil dipstick on the right crankcase to allow faster draining.

Usually a 3-speed semi-automatic with reverse (3+1) or fully automatic CVT. Ignition: CDI (Capacitor Discharge Ignition). Spark Plug: A7TC (or equivalent NGK CR7HSA). Battery: 12V 5Ah. Fuel Capacity: Approximately 2.0L to 3.0L. Oil Capacity: ~800ml to 900ml. 2. Routine Maintenance Schedule

Located on the side of the carburetor with a visible spring wrapper. Turning it clockwise raises engine RPM; counter-clockwise lowers it. Set the idle so the engine runs smoothly without engaging the automatic clutch. hb atv 125 service manual

Ensure the handlebar kill switch and key switch function perfectly. Break-In Period (First 10 Hours of Operation)

Check the ignition coil resistance. Primary resistance (terminal to ground) should measure roughly . Secondary resistance (plug boot to terminal) should measure 3k to 5k Ohms . Remove the oil dipstick on the right crankcase

Unscrew the bottom float bowl. Spray carburetor cleaner through the main jet and pilot jet.

The carburetor has two adjustment screws: Spark Plug: A7TC (or equivalent NGK CR7HSA)

Warm the engine for a few minutes to thin the oil, then turn it off. Place a drain pan under the engine. Locate the 15mm or 17mm drain plug on the bottom right side of the engine. Remove the plug and let the oil drain for 20–30 minutes.

(Deducting one star for translation quirks and generic imagery, but highly recommended regardless.)

Using the correct fluids is critical for the wet clutch and engine longevity found in most 125cc Chinese ATVs.