Recommended Additional Upgrades
01
Uma Laser Iridium Spark Plug
Improve ignition with Uma Racing Laser Iridium Spark Plug.
03
Uma Racing Engine Oil
Get smoother engine performance with Uma Racing Full Synthetic Engine Oil.
The UMA Racing High-Performance Plug Coil (Non-FI/Carburetor) is the analog counterpart to the FI version, specifically engineered for motorcycles using a carburetor ignition system. While the primary goal—increasing spark intensity—remains the same, the internal resistance and electrical characteristics are tuned to work with the CDI (Capacitor Discharge Ignition) units found on older or non-EFI bikes.
Key Features
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High Voltage Delivery: Supplies up to twice the voltage of a standard OEM coil, creating a hotter and more reliable spark for more efficient fuel combustion.
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Optimized for CDI Systems: Specifically built for Non-FI engines to ensure compatibility with the ignition pulse timing of a carburetor setup.
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Improved Combustion: By providing a stronger spark, it helps burn fuel more completely, which can result in crisper throttle response and smoother acceleration.
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Durability: Constructed with high-quality insulation and materials to prevent voltage leaks and withstand the heat of high-performance riding.
Why Use the Non-FI Version?
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Avoid Electrical Damage: CDI and EFI systems operate on different electrical signals. Using an FI coil on a carburetor bike can lead to weak spark or potentially damage your CDI unit due to incorrect resistance levels.
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Performance Tuning: If you have upgraded your carburetor (e.g., to a PWK or PE series) or installed a racing CDI, the stock coil becomes a bottleneck. The UMA Non-FI coil ensures the higher fuel volume in the cylinder is ignited instantly.
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Reliability: It is particularly popular for vintage or underbone racing builds (like the Yamaha Crypton or Honda Wave) where consistent high-RPM performance is required.
Installation & Compatibility
It is a “Plug-and-Play” favorite for many popular carburetor models:
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Honda: Hornet, Xblade
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Suzuki: Gixxer (carburettor version).
- TVS: Ntorq, Raider. NOTE: The carb version does not work with RTR160 4V, the FI coil is needed for 4V
Pro-Tip: Just like the FI version, you will see the best results when pairing this with a high-quality Iridium spark plug (like Uma Racing Utech Laser Iridium). This combination lowers the resistance needed to jump the spark gap, allowing the UMA coil’s extra power to be used for a larger, more intense flame front.
