Koso Super Flow Oil Pump - GY6

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
  

• 20% more oil flow than the stock pump
• Supports engine lubrication and heat transfer
• Supporting upgrade for compatible GY6 big-bore builds
• Replacement for compatible GY6 125cc and 150cc oil pumps
• Gerotor design with inner and outer pump rotors
• Made in Taiwan; off-road use only

Brand: Koso; Part number: 128-20; Manufacturer part number: NF239000; Product line: Super Flow; Type: high-volume engine oil pump; Oil flow increase: 20% compared with stock; Engine platform: compatible GY6 152QMI / 157QMJ; Base displacement: 125cc / 150cc; Engine type: air-cooled four-stroke; Pump design: gerotor; Country of origin: Taiwan; Off-road use only

Universal application across makes/models with compatible GY6 152QMI 125cc or 157QMJ 150cc air-cooled four-stroke engines; includes matching big-bore builds based on these platforms; verify installed engine code, pump mounting, drive interface and oil passages; not every GY6 variant