Product Description
The Varroc 5938 (often generally called a CDI unit) is engineered to manage the ignition timing of the 346cc single-cylinder engine. It is specifically built for models that utilize a 2+4+2 pin (8-pin total split) connector setup. This unit plays a critical role in converting low-voltage power into the high-voltage discharge required by the ignition coil to fire the spark plug at the exact moment of peak compression.
Manufactured by Varroc, a global leader in automotive electricals, the 5938 Blue Unit is programmed with a timing curve that balances fuel efficiency with the low-end torque Royal Enfields are famous for. The internal circuits are protected by a high-strength, heat-resistant polymer casing and sealed with industrial-grade epoxy to shield against water, dust, and the high-frequency vibrations of the motorcycle frame.
Key Features:
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8-Pin Connectivity: Features the specialized 2+4+2 pin layout for a secure and specific fit to the matching wiring harness.
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Optimized Spark Energy: Ensures a high-intensity spark even during cold starts or when the battery voltage is not at its peak.
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Stable Idle & Throttle: Minimizes engine “hunting” or stalling at low RPMs by providing consistent electronic timing.
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Blue Color-Coded Housing: Allows for easy identification by mechanics to prevent the installation of incompatible black or green units.
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Heat Dissipation: Designed to operate reliably in the confined, high-temperature environment under the seat or side panels.
Technical Specifications:
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Part Number: 5938 (also known as TCCI-ENFD-5938)
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Brand: Varroc
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Ignition Type: Transistor Controlled Ignition (TCI)
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Pins: 2+4+2 (8 Pins)
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Housing Color: Blue
Vehicle Compatibility:
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Royal Enfield Bullet 350 Standard (Older UCE / AVL variants)
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Royal Enfield Electra 350 (Models with the 8-pin blue connector)
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Royal Enfield Classic 350 (Select older UCE variants)
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Note: This unit is physically and electrically different from the Green 5828 Unit. Always check your existing unit’s connector pin-out and color before ordering.










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