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Tailored exclusively to the CG125 motorcycle’s engine system, the oil and air filters work in tandem to maintain engine health.
Both filters are direct OEM-compatible, requiring no modifications for installation, and are optimized for the CG125’s 125cc single-cylinder engine’s low-to-medium operating load.
The oil filter prevents abrasive particles from damaging engine bearings; the air filter stops debris from scratching cylinder walls—extending the CG125’s engine life by 30%+ with regular replacement.
Clean oil (from the oil filter) ensures smooth lubrication, while clean air (from the air filter) maintains proper fuel-air ratio—preserving the CG125’s original power and fuel efficiency.
Both filters match the CG125’s oil circuit ports (oil filter) and airbox dimensions (air filter), enabling tool-free or simple-tool installation for DIY maintenance.
Oil filter media resists clogging from oil contaminants; air filter foam/paper withstands moisture and dust accumulation, ensuring reliable performance in urban or rural environments.
Replaced every 1,000–2,000 km (oil filter) or 3,000–5,000 km (air filter) during CG125’s regular servicing to prevent engine wear.
Used with CG125 engine repair kits (e.g., after piston/bearing replacement) to ensure the restored engine operates with clean oil and air.
Washable foam air filters are ideal for CG125s used on dusty rural roads, as they can be cleaned and reused instead of frequent replacement.
Replaces old, clogged filters (e.g., oil filter with sludge buildup, air filter with dust blockage) to fix symptoms like reduced power or increased oil consumption.
| Specification Item | Oil Filter Details | Air Filter Details |
| Model Compatibility | CG125 motorcycle engine | CG125 motorcycle airbox |
| Type | Spin-on/cartridge-type | Foam (washable) or paper (disposable) |
| Filter Media | Pleated cellulose/synthetic blend (95% particle retention for ≥5μm impurities) | High-density foam (80% dust capture) or microfiber paper (90% particle retention) |
| Operating Temperature | -30°C to +120°C | -20°C to +60°C |
| Oil Pressure Resistance | Up to 500 kPa (suitable for CG125’s oil system) | N/A (air intake, no pressure load) |
| Dimensions | Diameter: 60–70mm; Height: 40–50mm | Length: 120–140mm; Width: 80–90mm; Thickness: 20–30mm |
| Mounting Type | Threaded (M20×1.5, matches CG125’s oil filter base) | Snap-in (fits CG125 airbox slots) |
| Weight | ~100–150g | ~30–50g |
| Service Life | 1,000–2,000 km (disposable) | Foam: 3,000–5,000 km (washable); Paper: 3,000 km (disposable) |
| Certification | Complies with ISO 4028 (oil filter standards) | Complies with ISO 5011 (air filter standards) |
The disposable oil filter should be replaced every 1,000–2,000 km. For the air filter, the washable foam variant lasts 3,000–5,000 km, while the disposable paper variant should be replaced every 3,000 km.
Yes, both the oil and air filters are direct OEM-compatible, matching the original CG125 oil circuit ports and airbox dimensions respectively, allowing for a seamless fit and tool-free or simple-tool installation.
If you choose the foam-based variant of the air filter, it is completely washable and reusable, making it ideal for dusty or off-road conditions. The paper-based variant, however, is disposable and must be replaced.
The CG125 oil filter has an operating temperature range of -30°C to +120°C and is engineered to withstand oil pressure of up to 500 kPa, perfectly suited for the CG125's oil system.
The oil filter traps metal shavings, sludge, and carbon deposits to prevent moving parts from wearing down, while the air filter stops dust, sand, and road debris from entering the combustion chamber. Regular replacements can extend the CG125's engine life by over 30%.
The oil filter complies with ISO 4028 standards, and the air filter complies with ISO 5011 standards, ensuring high-quality filtration and reliability.
