Product Details
DESCRIPTION: Koso’s High-Flow Oil Pump (NF239000) for 125/150cc GY6 engines is strongly recommended for those who upgraded their engine with a Big Bore Kit. The addition of this high quality part will increase the oil flow by 20%, which is a very effective modification that will help prevent engine failure. Keeping the engine lubricated and cool is very important, whether you ride for fun or for races.Made in TaiwanIncreases Oil Flow by 20%GY6 QMI/QMJ 152/157, Kymco
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 150cc, GY6
- Fitment Notes: Big Bore
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Is this for 150cc scooters?
A: This SKU is listed with 150cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 0.4 lbs |
|---|---|
| Dimensions | 6 × 4 × 2 in |
| Condition | New |
|---|
Koso Super Flow Oil Pump – GY6 125cc / 150cc
Protect your engine investment with the Koso Super Flow Oil Pump. Specifically engineered for high-performance GY6 engines, this high-volume pump delivers a 20% increase in oil flow compared to the stock OEM unit. This is a critical upgrade for any rider running a Big Bore Kit (BBK), as increased displacement requires superior lubrication and heat dissipation to prevent premature engine failure.
Whether you are building a dedicated track racer or a reliable daily commuter, the Koso Super Flow ensures that your top end stays cool and your bearings stay lubricated under the most demanding riding conditions.
Key Performance Benefits
- 20% More Flow: Significantly increases oil circulation to reduce engine temperatures and wear.
- Big Bore Essential: Strongly recommended for any 150cc engine upgraded with a 170cc+ Big Bore Kit.
- Proven Reliability: Manufactured in Taiwan by Koso, an industry leader in high-performance scooter electronics and engine components.
- OEM Fitment: Direct bolt-on replacement for standard GY6 125/150cc oil pumps.
Comprehensive Model Fitment
This oil pump is designed for the 152QMI and 157QMJ (GY6) engine platform. It is a direct fit for most air-cooled 125cc and 150cc 4-stroke scooters, including:
Compatible Brands:
- Kymco: Agility 125/150, People 125/150, Super 8 150
- Wolf Brand Scooters: Blaze II, EX-150, Lucky II, JET II
- Tao Motors / TaoTao: Powermax 150, Lancer 150, Quantum 150
- Ice Bear: Maddog 150, PMZ150 series
- Bintelli / ZNEN: Scorch 150, Valor 150, Roar 4, Victory
- Lance / SSR: PCH 150, Cali Classic, Cabo 150, Turino, Rowdy
- Made in Taiwan





