• Engine Thermostat Switch for 250cc Water-Cooled Engines (CF250/CH250) - goofitmoto
  • Engine Thermostat Switch for 250cc Water-Cooled Engines (CF250/CH250) - goofitmoto
  • Engine Thermostat Switch for 250cc Water-Cooled Engines (CF250/CH250) - goofitmoto
  • Engine Thermostat Switch for 250cc Water-Cooled Engines (CF250/CH250) - goofitmoto
  • Engine Thermostat Switch for 250cc Water-Cooled Engines (CF250/CH250) - goofitmoto
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Engine Thermostat Switch for 250cc Water-Cooled Engines (CF250/CH250)

Engine Thermostat Switch for 250cc Water-Cooled Engines (CF250/CH250)

$10.99
$10.99
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Product Overview

Ensure your cooling system operates with maximum precision using this High-Performance Engine Thermostat. Specifically designed for the legendary 250cc water-cooled platform (including the CF250, CH250, and CN250 series), this thermostat regulates coolant flow to ensure your engine warms up quickly and maintains a stable operating temperature. It is a critical replacement part for preventing engine overheating and ensuring consistent performance across all riding conditions.

Product Compatibility

A direct replacement for the internal thermostat valve in many classic 250cc liquid-cooled vehicles.

Vehicle Type Common Compatible Brands & Models
Scooter / Moped Honda Helix (CN250), Honda Elite (CH250)
Engine Series CF172MM / CF250, CH250 and various Chinese 250cc Water-Cooled clones
ATV / Go Kart 250cc Water-Cooled Quads, Hammerhead 250, TrailMaster, Joyner
Fitment Note Designed for Water-Cooled engines only. Not for air-cooled GY6 models.

Specifications

Please cross-reference these dimensions with your original thermostat to ensure a perfect fit:

Feature Metric Measurement Imperial Measurement
Overall Height 32mm 1.25"
Main Body Diameter 32mm 1.25"
Lower Valve Diameter 26mm 1.02"
Construction High-Quality Temperature-Resistant Metal --

Key Features

  • Superior Manufacturing Craftsmanship: Built with a high-grade metal housing and premium sealing materials to withstand the extreme thermal cycling and chemical environment of modern coolants.
  • Precision Temperature Regulation: The internal thermal element is engineered to open and close at exact thresholds, preventing engine "cold-running" (which increases wear) and protecting against overheating.
  • Corrosion & Vibration Resistance: Specifically treated to resist the erosive effects of antifreeze additives and the high-vibration environment of 250cc single-cylinder engines.
  • Long-Term Sealing Integrity: Rigorous testing ensures that the valve maintains a perfect seal when closed, allowing for a faster engine warm-up period and improved fuel efficiency.
  • Reliable Performance in Harsh Environments: Whether idling in traffic or trekking off-road, this thermostat ensures your engine operates within its safest and most efficient thermal window.
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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 internal thermostat valve in many classic 250cc liquid-cooled vehicles.; Vehicle Type; Common Compatible Brands & Models; Scooter / Moped; Honda Helix (CN250), Honda Elite (CH250); Engine Series; CF172MM / CF250, CH250 and various Chinese 250cc Water-Cooled clones. Key physical/spec details from the product data include Overall Height: 32mm, Main Body Diameter: 32mm, Lower Valve Diameter: 26mm. 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 CF250/CH250/CN250 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 Overall Height: 32mm, Main Body Diameter: 32mm, Lower Valve Diameter: 26mm. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.