Ignitor CDI Box Replacement for ATV Kodiak 400 1995-1999, Big Bear 350 1996-1999, Wolverine 350 2000-2001, Timberwolf 350 1997, 4SH-85540-00-00 Compatible Ignition Module

Single CDI Box for Yamaha ATVs Replacement Module
✔️ Replacement CDI module for Yamaha quad bikes, 1995-2001 fit

This Ignition CDI Box is a direct replacement for Yamaha ATVs including Kodiak 400 and Big Bear 350 models. It’s a compact black ignition module designed to replace the original CDI box, restoring reliable spark timing for engines used in trail riding and work tasks. The part number 4SH-85540-00-00 ensures a precise fit on select Yamaha machines.

✅ Part number 4SH-85540-00-00 for exact fit
✅ Fits Yamaha Kodiak 400 YFM400 (4x4) 1995-1999
✅ Fits Yamaha Big Bear 350 YFM350FW (4x4) 1996-1999
✅ Fits Yamaha Timberwolf 350 YFB350 (2WD) 1997
✅ Fits Yamaha Wolverine 350 YFM350FX (4x4) 2000-2001
✅ Includes 1 x CDI Box
✅ Color: Black

💡 What is a handy use for a CDI ignition box in ATV engines and why replace it?

Keeping spark timing steady helps starting and overall engine performance. - maintains reliable starts across varying RPMs and conditions
- minimizes misfire and timing issues that can stall a ride
- compatible with OEM part 4SH-85540-00-00 for proper fit
- easy swap for DIY maintenance and quick repairs