close
Meniu

Hb Atv 125 Service Manual May 2026

While a dedicated "HB" brand manual is often difficult to find, the HB-ATV 125 is a common Chinese-manufactured quad that follows standard maintenance procedures for 125cc horizontal engines (like those from TaoMotor or Apollo) . Essential Maintenance Schedule

  1. Remove seat and fuel tank (if needed).
  2. Remove cylinder head cover.
  3. Rotate crankshaft (17mm nut on left crankcase cover) to TDC on compression stroke (both valves closed).
  4. Loosen 10mm locknut on rocker arm, adjust screw with flathead.
  5. Tighten locknut while holding adjuster.
  6. Recheck clearance.

Locate and remove the 17 mm drain plug underneath the crankcase. hb atv 125 service manual

Torque Specifications: Specific tightening values for critical parts like the flywheel nut and cylinder head. While a dedicated "HB" brand manual is often

2. Maintenance Schedule

| Interval | Action | |----------|--------| | Every 20 hours (break-in) | Change engine oil, check chain tension, inspect bolts | | Every 50 hours | Clean air filter, check valve clearance, lubricate cables | | Every 100 hours / 6 months | Replace oil, oil filter screen, clean carburetor, check spark plug, adjust chain | | Every 200 hours / annually | Replace air filter element, check brake pads, inspect tires, adjust clutch free play (if applicable) | Remove seat and fuel tank (if needed)

Refill: Use a funnel to add 0.8L of new oil. Check the level by screwing the dipstick all the way in. Carburetor Cleaning & Adjustment

close