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Complete Engine Water Pump Assembly for 250cc Water-Cooled Engines
Complete Engine Water Pump Assembly for 250cc Water-Cooled Engines
5.0 / 5.0
(2) 2 total reviews
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Product Overview
Maintain peak cooling performance and protect your powertrain with this Professional Water Pump Assembly. Specifically engineered for the 250cc liquid-cooled horizontal engine platform (CF250/CH250/CN250), this unit ensures rapid and consistent coolant circulation. By utilizing high-performance gaskets and precision-machined internals, it effectively eliminates the risk of leaks and overheating, extending the operational life of your ATV or scooter.
Product Compatibility
A direct replacement for the water pump unit on classic 250cc 4-stroke liquid-cooled engines.
| 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) |
| Compatibility Note | Ideal for "Big Block" 250cc Chinese water-cooled engine clones. |
Specifications (Mounting Dimensions)
To ensure a perfect, leak-free fit, please cross-reference these bolt-hole measurements:
| Feature | Metric (Approx.) | Imperial (Approx.) |
| Hole Distance A | 37mm | 1.45" |
| Hole Distance B | 51mm | 2.00" |
| Hole Distance C | 43mm | 1.69" |
| Hole Distance D | 51mm | 2.00" |
| Cooling Type | Water-Cooled / Liquid-Cooled | -- |
Key Features
- Enhanced Circulation Efficiency: Features an optimized internal flow path that maximizes coolant velocity, significantly reducing engine operating temperatures even under heavy loads or in hot climates.
- High-Tightness Sealing: Equipped with premium-grade gaskets and high-performance seals designed to withstand high pressure and thermal expansion, effectively preventing coolant leaks.
- Industrial-Grade Durability: Constructed from heavy-duty anti-corrosive alloy, ensuring long-term structural integrity and reliability in harsh off-road or high-mileage environments.
- Precision Bolt-On Fit: Every interface and fixing point is precisely engineered to match OEM specifications, allowing for a straightforward, "no-modification" installation.
- Engine Protection: Prevents catastrophic high-temperature damage to the cylinder head and engine block by ensuring a constant, stable flow of cooling fluid.
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Fitment FAQ
Will this part fit my specific model and year?
This replacement part is intended for A direct replacement for the water pump unit on classic 250cc 4-stroke liquid-cooled engines.; 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. Key physical/spec details from the product data include Hole Distance A: 37mm, Hole Distance B: 51mm, Hole Distance C: 43mm. 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. 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 Hole Distance A: 37mm, Hole Distance B: 51mm, Hole Distance C: 43mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
Little thing pumps good keeps unit cool. Be sure to install white rubber gasket on backside of impeller. Sure would of been nice to get instructions or schematic ,but I figured out why a new pump leaked out of seep holes.White gasket behind impeller.
Great fit 😀