GOOFIT
Engine Water Pump Impeller & Shaft Assembly for 250cc Water-Cooled Engines
Engine Water Pump Impeller & Shaft Assembly for 250cc Water-Cooled Engines
4.71 / 5.0
(7) 7 total reviews
Couldn't load pickup availability
Product Overview
Restore your cooling system’s circulation with this Heavy-Duty Water Pump Assembly. Specifically engineered for the 250cc water-cooled horizontal engine platform (CF250/CH250), this kit features a precision-machined shaft and a high-flow 6-blade impeller. It is the essential internal component for maintaining the pressurized coolant flow required to keep your engine within safe operating temperatures, even under heavy loads.
Product Compatibility
Designed for the classic 250cc liquid-cooled engine series used in scooters, ATVs, and karts.
| Vehicle Type | Common Compatible Brands & Models |
| Scooter / Moped | Honda Helix (CN250), Honda Elite (CH250), Jonway, Roketa |
| ATV / Go Kart | Hammerhead 250, TrailMaster, Joyner, Carter Talon |
| Engine Series | CF250, CH250, CN250 (172mm Style Engines) |
| Exclusions | NOT a replacement for the 2007 Mongoose 300. |
Specifications (Measurement Guide)
To ensure 100% fitment, please verify these dimensions against your old shaft:
| Component | Metric Measurement | Imperial Measurement |
| Total Shaft Length | 113.5mm | 4.47" |
| Impeller Design | 6-Blade High-Flow | -- |
| Bearing Inside Diameter | 10mm | 0.39" |
| Bearing Outside Diameter | 19mm | 0.75" |
| Material | High-Strength Corrosion-Resistant Alloy | -- |
Key Features
- High-Flow 6-Blade Impeller: The optimized blade geometry is designed to maximize coolant velocity, ensuring rapid heat transfer from the cylinder head to the radiator, preventing overheating damage.
- Corrosion-Resistant Shaft: Constructed from high-strength alloy treated for superior anti-corrosion properties, protecting the shaft from the erosive effects of long-term coolant exposure.
- Precision Sealed Bearing: Includes a pre-fitted bearing ($10mm \times 19mm$) designed for smooth, low-friction rotation and a long operational lifespan under high-RPM conditions.
- Leakage Prevention: Precision machining ensures a tight fit with the water pump mechanical seal (sold separately), significantly reducing the risk of coolant leaks and system pressure loss.
- Industrial Grade Durability: Built to withstand the harsh environment of a high-performance 250cc engine, providing stable operation for daily commuting or off-road adventures.
Share
Fitment FAQ
Will this part fit my specific model and year?
This replacement part is intended for Designed for the classic 250cc liquid-cooled engine series used in scooters, ATVs, and karts.; Vehicle Type; Common Compatible Brands & Models; Scooter / Moped; Honda Helix (CN250), Honda Elite (CH250), Jonway, Roketa; ATV / Go Kart; Hammerhead 250, TrailMaster, Joyner, Carter Talon. Listed year information includes 2007. Key physical/spec details from the product data include Total Shaft Length: 113.5mm, Bearing Inside Diameter: 10mm, Bearing Outside Diameter: 19mm. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this replacement part, also compare the OEM number, dimensions, connector or mounting style, engine/model year, and product photos. This is especially important for Honda/Roketa CN250/CH250 models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this replacement part for machines outside the listed compatibility, or for units with different OEM numbers, dimensions, mounting points, connectors, or year-specific configurations. Model years outside 2007 should be verified separately. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the OEM number, dimensions, connector or mounting style, engine/model year, and product photos. Recheck listed specs such as Total Shaft Length: 113.5mm, Bearing Inside Diameter: 10mm, Bearing Outside Diameter: 19mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
A good water pump. Comes with al the parts needed.
que tenga las dimensiones del original...
GREAT ITEM!
Part work great , no issues ,good quality great price.
Everything fits perfectly except for the gasket that came with. Instead, I highly recommend using a RTV gasket maker for a perfect seal. Additionally, you cannot beat the price for this kit because it comes with everything for a water-pump rebuilding project.