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8-Pin FS300 CDI Box for 250cc 300cc Scooters ATV 170MM 173MN Engines

8-Pin FS300 CDI Box for 250cc 300cc Scooters ATV 170MM 173MN Engines

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Regular price $21.99
Regular price Sale price $21.99
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Product Overview

Restore smooth ignition performance and eliminate misfires with this FS300 8-pin CDI unit. Designed for 250cc–300cc liquid-cooled engines, it delivers precise ignition timing and a strong, stable spark for reliable starting and consistent power output.

Built with high-quality internal capacitors and durable housing, this CDI ensures stable operation under high temperatures and long-distance riding conditions. Its plug-and-play design makes installation fast and hassle-free, ideal for both replacement and performance restoration.

Product Compatibility

Category Model / Platform Engine Type Notes
Yamaha Majesty 250 (YP250) 250cc Liquid-Cooled 8-pin CDI
Yamaha X-Max 250 / X-City 250 250cc Liquid-Cooled Compatible
Yamaha Versity 300 300cc Liquid-Cooled Compatible
Chinese Scooters Roketa / Xingyue / Linhai 250cc–300cc 170MM / 173MN engines
Vehicle Type Touring Scooters / ATVs / Quads 4-Stroke Liquid-Cooled 8-pin configuration

Specifications

Item Details
Model FS300 CDI
Pin Configuration 8-Pin
Engine Type 4-Stroke Liquid-Cooled
Displacement Range 250cc–300cc
Mounting Hole Distance 85mm (3.34")
Overall Length 84mm (3.3")
Material Heat-resistant reinforced housing
Installation Plug-and-play

Key Features

  • Stable Ignition Output – Ensures consistent spark for smooth engine performance
  • Precision Timing Control – Optimized for 250cc–300cc engines
  • High-Quality Capacitors – Improves ignition efficiency and reduces misfires
  • Rugged Construction – مقاust to heat, vibration, and long-distance riding
  • Direct Plug-and-Play – Easy installation with 8-pin OEM-style connector
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Fitment FAQ

Will this part fit my specific model and year?

This CDI ignition module is intended for Category; Model / Platform; Engine Type. Key physical/spec details from the product data include 8-pin CDI, 8-pin configuration, Pin Configuration: 8-Pin. 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 CDI ignition module, also compare the AC/DC ignition type, plug count, pin layout, limiter type, stator pickup compatibility, and mounting space. This is especially important for FS300 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 CDI ignition module for machines outside the listed compatibility, or for units with different AC/DC ignition systems, pin layouts, plug counts, or pickup-signal requirements. 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 AC/DC ignition type, plug count, pin layout, limiter type, stator pickup compatibility, and mounting space. Recheck listed specs such as 8-pin CDI, 8-pin configuration, Pin Configuration: 8-Pin. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.