KIPA CDI Box for Yamaha Timberwolf 250 1994-2000 Bear Tracker 250 1999-2000

CDI Box for Yamaha Timberwolf 250 1994-2000 Bear Tracker 250 1999-2000

Key features

• Application: CDI Box Module Unit compatible with Yamaha Bear Tracker 250 (YFM250X / YFM250XH Hunter Edition) 1999-2000, Timberwolf 250 2WD (YFB250) 1994-1998, and Timberwolf 250 4WD (YFB250FW 4x4) 1994-2000.
• Part Number: Direct replacement for Part Number: 4BD-85540-10-00, 4BD-85540-00-00, F8T09273 and 27-15408.
• Fix Starting & No-Spark Issues: Effectively resolves common vintage ATV ignition failures caused by aged, cracked internal capacitors-including no spark, intermittent spark cutoff, hard cold starting, engine misfires at high RPM, and sudden stalling after warming up. Restores consistent spark energy, smooth idle, and crisp throttle response across tough trails.
• Plug & Play Installation: Features factory-matched wiring harness pigtails with heavy-duty weatherproof female connectors (4-pin + 4-pin configurations with secure rubber terminal seals). 100% direct plug-and-play fitment requiring no wire splicing, cutting, or terminal repinning. Premium potted epoxy resin housing provides superior resistance against extreme trail vibration, mud, moisture, and engine bay heat.
• Installation Safety: Always disconnect the negative battery cable before replacing the ignition pack to avoid voltage spikes. If no-spark persists after CDI installation, inspect stator resistance and ignition coil to ensure complete electrical health.

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