BIKE CDI UNIT
Shop bike CDI units for selected motorcycle and scooter models. Check model compatibility, current price and product details at Autoss.in.
Why Buy BIKE CDI UNIT from Autoss.in?
When searching for the best BIKE CDI UNIT online in India, mechanics and riders trust Autoss.in for premium aftermarket quality and perfect fitment. We understand that finding reliable spare parts is critical for your motorcycle's performance and safety. Our extensive catalog of BIKE CDI UNIT is strictly quality-checked to match original manufacturer specifications, ensuring you get long-lasting durability without the heavy price tag of OEM dealerships.
Fast Shipping & Best Prices: Whether you are doing a DIY repair or running a professional garage, we offer wholesale-level pricing on all BIKE CDI UNIT. With secure online payments and fast pan-India delivery, replacing your bike's parts has never been easier. Browse our full range above, verify your motorcycle model compatibility, and upgrade your ride today with 100% aftermarket replacement parts you can trust.
BAJAJ AVENGER 150 BIKE CDI UNIT
Original price was: ₹2,144.00.₹1,231.00Current price is: ₹1,231.00.BAJAJ AVENGER 150 BS4 BIKE CDI UNIT
Original price was: ₹2,232.00.₹1,459.00Current price is: ₹1,459.00.BAJAJ AVENGER 220 BIKE CDI UNIT (BLUE)
Original price was: ₹2,455.00.₹2,019.00Current price is: ₹2,019.00.BAJAJ AVENGER 220 BIKE CDI UNIT (PINK)
Original price was: ₹2,950.00.₹1,988.00Current price is: ₹1,988.00.BAJAJ CHETAK CLASSIC BIKE CDI UNIT
Original price was: ₹1,503.00.₹882.00Current price is: ₹882.00.BAJAJ CHETAK FE 12v BIKE CDI UNIT
Original price was: ₹1,503.00.₹928.00Current price is: ₹928.00.BAJAJ CT 100 ES BIKE CDI UNIT
Original price was: ₹1,946.00.₹989.00Current price is: ₹989.00.BAJAJ Discover 100 4+2+2 PINs Bike CDI Unit
Original price was: ₹1,815.00.₹1,015.00Current price is: ₹1,015.00.BAJAJ Discover 100 T 12 PINs Bike CDI Unit
Original price was: ₹1,815.00.₹1,135.00Current price is: ₹1,135.00.BAJAJ DISCOVER 100 T BIKE CDI UNIT
Original price was: ₹2,939.00.₹2,116.00Current price is: ₹2,116.00.BAJAJ Discover 125 4+2+2 PINs Bike CDI Unit
Original price was: ₹1,815.00.₹1,015.00Current price is: ₹1,015.00.BAJAJ Discover 125 6+2 PINs Bike CDI Unit
Original price was: ₹1,425.00.₹975.00Current price is: ₹975.00.
Motorcycle & Scooter CDI Unit Technical Guide
The Capacitor Discharge Ignition (CDI) unit is the brain of the two-wheeler ignition system. It stores high-voltage electrical energy in an internal capacitor and releases it rapidly to the ignition coil upon receiving a micro-second trigger pulse from the stator pickup sensor, generating the intense spark required to ignite compressed air-fuel mixtures in the combustion chamber.
| CDI Unit Parameter | Technical Specification Standard |
|---|---|
| Ignition Power Architecture | AC-Fired (Stator Stator Exciter Coil Powered) or DC-Fired (12V Battery Constant Powered) |
| Internal Circuitry | Microcontroller-Programmed Digital Timing Curve with High-Voltage Silicon Controlled Rectifiers (SCR) |
| Coupler Pin Formats | 4-Pin, 5-Pin, 6-Pin (4+2), 7-Pin (4+3), 8-Pin (Dual 4-Pin) OEM Molded Terminal Blocks |
| Potting & Protection | Heavy-Duty Polyurethane / Epoxy Resin Vacuum Encapsulation (Waterproof & Vibration-Proof) |
| Operating Temperature | -20°C to +85°C Thermal Resistance under Frame Cushion Mountings |
| Supported Makes | Hero, Honda, Bajaj, TVS, Yamaha, Suzuki, Royal Enfield, Mahindra & LML |
Workshop Diagnostic & Replacement Guidelines
- Determine AC vs DC Ignition: Never connect an AC-CDI to a 12V battery line, or plug a DC-CDI into a high-voltage stator exciter coil. Check whether the motorcycle headlights/instrument cluster operate with engine off (typical of DC ignition systems).
- Match Pin Coupler Configurations: Inspect both terminal count and plastic keyway shapes (e.g. 4+2 rectangular connector vs circular socket) to prevent crossed wiring.
- Inspect Ground & Kill Switch Circuits: Before replacing a suspected dead CDI, check the black/white engine stop switch lead and frame ground continuity with a digital multimeter.
- Vibration Damper Sleeve: Always slide the new CDI unit into the rubber mounting sleeve on the motorcycle chassis to prevent road vibration from cracking internal printed circuit solder joints.
Explore Related Categories & Compatible Models
| Related Replacement Spare Part | Fitment Grade | Live Price & Link |
|---|---|---|
| BAJAJ AVENGER 150 BIKE CDI UNIT | OEM-Spec Mounts • Anti-Rust | ₹1,231 → View Part |
| BAJAJ AVENGER 150 BS4 BIKE CDI UNIT | OEM-Spec Mounts • Anti-Rust | ₹1,459 → View Part |
| BAJAJ AVENGER 220 BIKE CDI UNIT (BLUE) | OEM-Spec Mounts • Anti-Rust | ₹2,019 → View Part |
| BAJAJ AVENGER 220 BIKE CDI UNIT (PINK) | OEM-Spec Mounts • Anti-Rust | ₹1,988 → View Part |
| BAJAJ CHETAK CLASSIC BIKE CDI UNIT | OEM-Spec Mounts • Anti-Rust | ₹882 → View Part |
| BAJAJ CHETAK FE 12v BIKE CDI UNIT | OEM-Spec Mounts • Anti-Rust | ₹928 → View Part |
Frequently Asked Questions (Bike Cdi Unit)
What is the function of a motorcycle CDI unit?
The CDI unit controls ignition timing by storing electrical charge and discharging high voltage to the ignition coil at the exact micro-second required for spark plug firing.
How can I tell if my bike CDI unit is bad or failing?
Symptoms of a faulty CDI include no spark at the spark plug despite good stator output, intermittent engine cut-out at high RPMs, hard starting when cold, and sudden backfiring.
What is the difference between AC-CDI and DC-CDI?
An AC-CDI receives electrical power directly from the alternator exciter coil on the stator, whereas a DC-CDI is powered steadily by the 12V battery and voltage regulator circuit.
Are replacement CDI units pre-programmed for plug-and-play installation?
Yes. All CDI units supplied by Autoss.in feature factory-calibrated advance timing curves and OEM-matching wiring terminal blocks for direct plug-and-play replacement.
Frequently Asked Questions — BIKE CDI UNIT
Read the full buying guide →Does BIKE CDI UNIT fit your motorcycle or scooter without any modification?
Yes. BIKE CDI UNIT is supplied as a direct OEM-spec replacement in our BIKE CDI UNIT range and is designed to mount on your motorcycle or scooter using the original mounting points and connectors. Please match the part shape and model/variant year shown in the product photos before ordering.
What is the current price of BIKE CDI UNIT and is Cash on Delivery (COD) available?
BIKE CDI UNIT for your motorcycle or scooter is currently priced at competitive direct-replacement pricing on Autoss.in. We ship pan-India with Cash on Delivery (COD) as well as prepaid options, and the live price is always shown on the product page.
How do I confirm the correct BIKE CDI UNIT for my two-wheeler before buying?
Compare your existing part's shape, mounting points and coupler pattern, along with your bike's model and year, against the photos and fitment details on this page. If you are unsure whether BIKE CDI UNIT suits your your motorcycle or scooter, contact Autoss with your bike model and year and we will confirm compatibility.
Is BIKE CDI UNIT an original or an OEM-grade replacement part?
BIKE CDI UNIT is an OEM-grade replacement BIKE CDI UNIT manufactured to factory specifications for your motorcycle or scooter. It is a new aftermarket replacement part (not a used item) intended to restore original fitment and function.
How is BIKE CDI UNIT packed and shipped across India?
Every BIKE CDI UNIT order is carefully packed to protect against transit damage and dispatched through tracked pan-India courier partners. Shipping timelines and tracking details are shared once your order is confirmed.












