Since HB (or HiBird / generic 125cc ATVs) share similar engines (vertical 125cc, 1P52FMI or similar), this report covers standard maintenance, repair procedures, and specifications.
If you bought the ATV new from a retailer like Killer Motorsports, ATV Wholesale Outlet, or FamilyGoKarts, email them with your VIN and request the OEM manual. Some will email a PDF for free. hb atv 125 service manual
*Note: If you are looking for a specific PDF download, these are often available through Chinese ATV parts retailers or online manual databases, as "HB" ATVs are frequently rebranded machines similar to the Honda-style CFM Since HB (or HiBird / generic 125cc ATVs)
When searching, look for:
Keep the manual close, keep your tools clean, and your HB 125 will run reliably for years. Happy trails. Red – battery positive Black – ground Green
provide standard 125cc maintenance schedules and torque specs.
For 125cc models add approximately 3/4 quart (700ml) oil and top off using dipstick as guide when vehicle is flat. ATV Wholesale Outlet Spark Plug NGK 4629 - C7HSA for 50cc, 110cc, 125cc, 150cc