Genuine TVS Ntorq Carburetor Air Screw – Premium Air-Fuel Mixture Pilot Circuit Tuning Screw (Precision-Machined Brass | High-Tolerance Fine Threads)

CNC-Machined Brass Construction: Turned from ultra-durable, premium brass stock that easily resists fuel varnish corrosion and structural tip wear over long-term use.

Ultra-Fine Micro-Thread Profile: Engineered with high-tolerance fine threading to allow for highly precise, millimeter-accurate manual adjustments when balancing your air-fuel mixture.

Perfect Tapered Metering Tip: Features a flawless factory-tapered needle tip that precisely seats into the pilot circuit channel for smooth, unhindered air-flow management.

Eliminates Cold-Start Stalling: Restores a mathematically balanced air-fuel ratio at low RPM, completely resolving cold-morning starting troubles and unexpected traffic-light stalls.

100% Leak-Proof Component Seating: Designed to sit perfectly flush against the internal tension springs and rubber O-rings, effectively locking out vacuum leaks.

Direct Component-Level Fitment: Built as an exact 1:1 match for standard factory-carburetor setups found on early TVS Ntorq 125 variants.

Stabilize Your Scooter's Idle and Restore Crisp, Zero-Lag Throttle Response

Operating your performance scooter with a worn, bent, or improperly sealed carburetor air screw directly ruins your daily ride with erratic engine idling, sudden engine stalling at traffic stops, and a noticeable drop in fuel efficiency. The air volume screw acts as a gatekeeper for the pilot circuit, meticulously metering the oxygen flow when your scooter is idling or just cracking open the throttle. Over time, the razor-thin threads on the screw can stretch or distort, or the tiny internal rubber seal can perish. This invites unmetered vacuum air leaks into the engine, causing a lean fuel mix that results in rough vibrations, popping noises, and frustrating cold-start problems.

Our premium Carburetor Air Screw TVS Ntorq (SKU - CASTN125) provides an exact factory-spec calibration path to stabilize your scooter’s engine breathing without forcing you to spend money on an entire replacement carburetor assembly. CNC-machined from top-grade brass alloy to match original equipment dimensions perfectly, this tuning component features incredibly sharp, high-tolerance threads for ultra-precise manual adjustments. Installing this fresh air screw guarantees a tight seal, letting you dial in the perfect idle RPM, eliminate off-idle acceleration lag, and maximize your fuel mileage