• Engine Thermostat Housing Assembly for 250cc Water-Cooled Scooters & ATVs - goofitmoto
  • Engine Thermostat Housing Assembly for 250cc Water-Cooled Scooters & ATVs - goofitmoto
  • Engine Thermostat Housing Assembly for 250cc Water-Cooled Scooters & ATVs - goofitmoto
  • Engine Thermostat Housing Assembly for 250cc Water-Cooled Scooters & ATVs - goofitmoto
  • Engine Thermostat Housing Assembly for 250cc Water-Cooled Scooters & ATVs - goofitmoto
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Engine Thermostat Housing Assembly for 250cc Water-Cooled Scooters & ATVs

Engine Thermostat Housing Assembly for 250cc Water-Cooled Scooters & ATVs

$14.99
$14.99
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Product Overview

Ensure your engine warms up quickly and maintains its ideal thermal range with this Complete Thermostat Assembly. Designed specifically for 250cc water-cooled engines (CF250/CH250/CN250), this unit includes both the thermostat valve and its protective housing. It effectively regulates the flow of coolant to the radiator, preventing engine wear caused by running too cold and protecting against the catastrophic risks of overheating.

Product Compatibility

A direct replacement for the cooling management system on 250cc horizontal liquid-cooled engines.

Vehicle Type Common Compatible Brands & Models
Scooter / Moped Honda Helix (CN250), Honda Elite (CH250)
ATV / Go Kart 250cc Water-Cooled Quads, Hammerhead 250, TrailMaster, Joyner
Engine Series CF250, CH250, CN250 and various 250cc Liquid-Cooled platforms
Fitment Note Please verify the bolt-hole spacing on your original housing before ordering.

Specifications (Measurement Guide)

To ensure a leak-free installation, cross-reference these precise dimensions:

Feature Metric Imperial
Mounting Hole Spacing (A) 27mm 1.06"
Mounting Hole Spacing (B) 41mm 1.61"
Main Port Diameter 32mm 1.25"
Small Port Diameter 14mm 0.55"
Material High-Grade Anti-Corrosive Alloy & Stainless Steel --

Key Features

  • Dual-Hole Precision Housing: Features a rugged alloy housing with accurately machined mounting holes (27mm/41mm spacing) to ensure a perfect, airtight seal against the engine block.
  • Thermal Management Efficiency: The internal thermostat is calibrated to open at precise temperatures, allowing the engine to reach its optimal operating state faster, which significantly improves fuel combustion and power output.
  • High-Temperature Resilience: Constructed from premium materials designed to resist the corrosive effects of coolant additives and the mechanical stress of constant thermal cycling.
  • Fuel Efficiency Booster: By maintaining a stable and correct engine temperature, this assembly helps reduce internal friction and ensures your vehicle operates at maximum efficiency.
  • Plug-and-Play Installation: Engineered as a direct OEM-spec replacement, allowing for a straightforward installation that restores your cooling system's integrity without modifications.
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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 cooling management system on 250cc horizontal liquid-cooled engines.; Vehicle Type; Common Compatible Brands & Models; Scooter / Moped; Honda Helix (CN250), Honda Elite (CH250); ATV / Go Kart; 250cc Water-Cooled Quads, Hammerhead 250, TrailMaster, Joyner. Key physical/spec details from the product data include Mounting Hole Spacing (A): 27mm, Mounting Hole Spacing (B): 41mm, Main Port Diameter: 32mm. 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 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 Mounting Hole Spacing (A): 27mm, Mounting Hole Spacing (B): 41mm, Main Port Diameter: 32mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.