Product Description
The EE42 Carbon Kit is specifically designed for the updated starter motors introduced in late 2013. Over time, the carbon brushes in the starter motor wear down due to friction and electrical arcing, leading to symptoms like a clicking sound without cranking, sluggish rotation, or a complete failure to start electronically.
Manufactured by Varroc, a primary OE supplier to Royal Enfield, these brushes are made from a high-conductivity carbon-copper blend. This ensures a low-resistance electrical path to the armature, providing the high torque necessary to crank the 346cc/499cc engines. The kit includes the specialized springs and brush terminals required for a complete overhaul of the starter’s brush box assembly.
Key Features:
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Post-2013 Precision: Specifically engineered for the EE42-spec starter motors used in newer UCE models.
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High Copper Content: The hybrid carbon-copper material offers superior durability and prevents excessive heat buildup during cold starts.
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Balanced Performance: Provides consistent contact pressure against the commutator, preventing “dead spots” in the starter motor’s rotation.
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Cost-Effective Repair: Replacing the carbon kit is a significantly more affordable alternative to replacing the entire expensive starter motor assembly.
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OEM Reliability: Matches the exact hardness and conductivity of the factory-installed brushes, ensuring the longevity of the starter armature.
Technical Specifications:
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Part Number: STMS-ENFD-EE42 (Vendor Code: EE42)
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Brand: Varroc
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Material: Copper-Carbon Composite
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Package Includes: Set of 4 Carbon Brushes + Tension Springs
Vehicle Compatibility:
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Royal Enfield Classic 350 / 500 (Models manufactured from Sept 2013 – 2021)
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Royal Enfield Bullet Standard 350 ES (Post-2013 Variants)
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Royal Enfield Electra 350 (Post-2013 Variants)
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Note: If your bike was manufactured before August 2013, you likely require the STMS-ENFD-RE02 kit instead. This EE42 kit is not compatible with the newer J-Series (Meteor/Reborn) models.









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