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Carburetor Electric Choke for Honda Helix CN250 Elite CH250 | Baja 250cc ATV Go-Kart
Carburetor Electric Choke for Honda Helix CN250 Elite CH250 | Baja 250cc ATV Go-Kart
5.0 / 5.0
(5) 5 total reviews
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Product Overview
Eliminate cold-start struggles with this Premium Electric Choke Assembly (Auto Bystarter). Specifically designed for 250cc water-cooled vertical engines, this thermal enrichment valve automatically manages the fuel-to-air ratio during startup. As a direct replacement for the frequently failing OEM units on Honda and Chinese 250cc touring scooters, it ensures your engine fires up instantly in cold weather and settles into a smooth idle without manual adjustment.
Product Compatibility
| Category | Compatible Models |
| Honda Scooters | Helix CN250 (1986–2007), Elite CH250 (1985–1990) |
| Chinese 250cc | CF250, CH250, CN250 Touring Scooters (Roketa, BMS, Jonway) |
| ATVs & Go-Karts | Baja (BR250, DN250), Joyner Sand Viper 250, Hammerhead 250 |
| OEM Reference | 16046-KS4-840 (also replaces 16046-KS4-003/013) |
Specifications
| Feature | Details |
| Plug Type | 2-Pin Male Plug |
| Cable Length | ~380mm (15 inches) |
| Housing Diameter | 23mm (Standard 250cc fitment) |
| Engine Type | 250cc 4-Stroke Water-Cooled Vertical |
| Carburetor Fitment | Standard PD30J / CF250 Series |
Key Features
- Precision Thermal Enrichment: Automatically extends the plunger as the engine warms up, closing off the enrichment circuit once operating temperature is reached to optimize fuel economy.
- OEM-Grade Construction: Manufactured with high-temperature resistant composites and high-strength alloys to prevent plunger deformation and ensure stable performance over thousands of heat cycles.
- Instant Engine Startup: Solves the common "cranking but not starting" issue found in 250cc scooters by providing the precise fuel boost needed for a cold ignition.
- Plug-and-Play Installation: Features the standard 2-pin male connector and 15-inch wiring harness used on the Helix and Elite series, requiring no wire cutting or splicing.
- Reduced Emissions: By accurately controlling the choke duration, this unit prevents a "rich" running condition after startup, reducing carbon buildup and exhaust smoke.
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FAQs
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Used this on my 2006 Helix, so far so good. Helix had a hard time starting before. It start right up now after installing this.
Got this for my 1986 Honda Helix. It had a hard time starting so I replaced it with this electronic choke and now it starts right up and idles well from the start.
Works great
This Chinese part works well on the helix. We will see how long. Honda part was from original 1987 part.
Bolted right in, thank just what I needed