Restore reliable ignition timing on your CN250-powered machine with this Universal Parts stock replacement DC CDI unit. Designed specifically for the 250cc water-cooled 172mm 4-stroke engine found in Chinese street-legal scooters, ATVs, dune buggies, and go-karts, this is a direct plug-in replacement for the factory unit with no wiring modifications required.
DC CDI: Direct current ignition — matches the stock electrical system on CN250 172mm engines (verify DC vs. AC before ordering)
6-Pin Connector, 2/4 Split: Standard two-plug configuration (2-pin + 4-pin) matching the OEM harness layout on compatible vehicles
Compact Form Factor: 74mm (L) × 49mm (W) × 24mm (H) — direct drop-in fit for factory CDI mounting location
Stock Replacement: Restores factory ignition timing and spark advance curve for reliable starting and smooth power delivery
Fitment
Compatible with 250cc 172mm 4-stroke water-cooled engines, including vehicles from:
Boreem (BMS)
CFMoto
Kazuma
Roketa
SUNL
Tank
Various unlisted Chinese 250cc makes and models with CN250 172mm engines
Technical Specifications
Voltage: DC
Connector: 6-Pin, 2/4 Split (2-pin + 4-pin plugs)
Length: 74mm (2.9″)
Width: 49mm (1.9″)
Height: 24mm (0.9″)
Engine: CN250 172mm 4-stroke water-cooled
MPN / SKU: 180-150
California Prop 65 Warning: www.p65warnings.ca.gov
