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5-Pin AC CDI Box for 50cc 70cc 90cc 110cc 125cc ATV Dirt Bike
5-Pin AC CDI Box for 50cc 70cc 90cc 110cc 125cc ATV Dirt Bike
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Product Overview
Replacement 5-pin AC CDI ignition box for compatible 50cc, 70cc, 90cc, 110cc, and 125cc engines used in ATVs, quads, dirt bikes, and pit bikes.
Featuring a 5-pin male connector and compact 60 × 35 × 22mm housing, this CDI is designed for compatible AC-powered ignition systems.
Before ordering, compare the AC/DC type, connector shape, pin layout, dimensions, and original CDI to ensure proper fitment.
Product Compatibility
| Engine / Application | Fitment Notes |
|---|---|
| 50cc Engine | Matching 5-pin AC CDI required |
| 70cc Engine | Verify connector and pin layout |
| 90cc Engine | Selected compatible applications |
| 110cc Engine | Verify original CDI |
| 125cc Engine | Matching AC ignition system required |
| ATV / Quad | Verify engine and CDI configuration |
| Dirt Bike | Matching 5-pin AC CDI required |
| Pit Bike | Verify original ignition system |
Specifications
| Specification | Details |
|---|---|
| Product Type | CDI Ignition Module |
| CDI Type | AC CDI |
| Connector | 5-Pin Male Plug |
| Length | 60 mm / 2.36 in |
| Width | 35 mm / 1.38 in |
| Height | 22 mm / 0.87 in |
| Listed Engine Size | 50cc / 70cc / 90cc / 110cc / 125cc |
| Application | ATV / Quad / Dirt Bike / Pit Bike |
| Condition | New |
| Package Quantity | 1 CDI Box |
Key Features
- AC CDI Design: Intended for compatible AC-powered ignition systems.
- 5-Pin Male Connector: Designed for wiring harnesses using a matching plug and pin arrangement.
- 50cc–125cc Applications: Suitable for selected small-engine ATV and motorcycle platforms.
- Compact Size: 60 × 35 × 22mm dimensions provide an additional reference for fitment comparison.
- Replacement Ignition Module: Practical replacement for a faulty or damaged compatible CDI.
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Fitment FAQ
Will this part fit my specific model and year?
This CDI is designed for selected 50cc, 70cc, 90cc, 110cc, and 125cc engines using a compatible 5-pin AC CDI ignition system.
Engine displacement alone does not guarantee fitment.
Do I need to match the OEM part number?
No specific OEM part number is provided.
Instead, compare the AC CDI type, 5-pin male connector, pin arrangement, physical dimensions, and original CDI appearance.
What models or situations does this part not fit?
This CDI is not suitable for:
DC CDI ignition systems
6-pin CDI applications
Connectors with a different shape or pin arrangement
Engines requiring a model-specific ignition module
Applications where the original CDI differs substantially in wiring or dimensions
What should I check before ordering?
Confirm:
AC CDI ignition system
5-pin male plug
Connector shape
Pin arrangement
Approx. 60 × 35 × 22mm CDI size
Wiring configuration
Original CDI appearance
A 5-pin connector alone does not guarantee compatibility.