Skip to product information
1 of 2

CDI Box for Yamaha YFM450 Grizzly & Kodiak 2004-2007

CDI Box for Yamaha YFM450 Grizzly & Kodiak 2004-2007

SKU:RM02144

Regular price £134.20 GBP
Regular price Sale price £134.20 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Free shipping over £150. Terms apply

CDI Box for Yamaha YFM450 Grizzly & Kodiak 2004-2007

Fits Yamaha YFM450 Grizzly (2007) & YFM450 Kodiak (2004-2006)

This CDI (Capacitor Discharge Ignition) module is built to OEM specifications as a direct plug-in replacement for the ignition system on the Yamaha YFM450 Grizzly and Kodiak. It restores reliable spark timing for consistent starting and running, with no changes to the wiring loom.

The unit is fitted with a 3-plug, 18-pin connector layout matching the factory harness, and measures 110mm long by 78mm high with a 27mm thickness, using the original 125mm centre-to-centre fixing holes so it bolts straight in.

Key Features

  • Direct OEM fit and finish, no wiring modifications required
  • 3-plug, 18-pin connector layout matching the original harness
  • 110 x 78 x 27mm case with 125mm fixing hole spacing
  • Covers Yamaha YFM450 Grizzly and YFM450 Kodiak
  • Please note: CDI units are excluded from warranty and are non-refundable once fitted

Technical Specs

Specification Detail
Thickness 27mm
Length 110mm
Height 78mm
Fixing Holes (centre to centre) 125mm
Plugs 3
Pins 18

Vehicle Fitment Guide

Make & Model Years
Yamaha YFM450 Grizzly 2007
Yamaha YFM450 Kodiak 2004-2006

OEM Part Number Cross Reference

Aftermarket replacement. OEM part numbers are listed for reference only.

Part Number Manufacturer / Brand
5ND-85540-10-00 Yamaha

Frequently Asked Questions

Will this CDI fit without any modifications?

Yes, it is a direct plug-in replacement using the original connector layout, so no cutting or splicing of the wiring loom is required. Note that wire colour codes may differ from the original but every wire is installed in the correct position.

What is included?

One CDI module, ready to fit in place of the original unit.

How can I tell my CDI has failed?

Common symptoms include no spark, intermittent misfiring, stalling, or a complete failure to start even though the battery and starter are working normally.

Is this CDI covered by warranty?

Due to the sealed electronic nature of CDI units they are excluded from our standard warranty and are non-refundable once fitted. Please confirm the OEM number against your original unit before ordering.

Dispatched from the UK · 12-month warranty · Fitment support from our technical team
View full details
Shipping calculated at checkout. Free shipping over £150. Terms apply