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CDI Ignition Module for Polaris Trail Boss 250 1988

CDI Ignition Module for Polaris Trail Boss 250 1988

SKU:RM02076

Regular price £62.10 GBP
Regular price Sale price £62.10 GBP
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CDI Box for Polaris Trail Boss 250 1988

Fits Polaris Trail Boss 250 & Trail Boss 250 R/ES (1988)

This CDI (Capacitor Discharge Ignition) module is built to OEM specifications as a direct plug-in replacement for the ignition system on the 1988 Polaris Trail Boss 250. It restores reliable spark timing for consistent starting and running.

The unit is fitted with a 3-plug, 5-pin connector layout matching the factory harness, and its compact 44.5mm long by 25.46mm wide by 45mm high case fits directly in place of the original module.

Key Features

  • Direct OEM fit and finish, no wiring modifications required
  • 3-plug, 5-pin connector layout matching the original harness
  • Compact 44.5 x 25.46 x 45mm case for a direct swap
  • Covers Polaris Trail Boss 250 and Trail Boss 250 R/ES (1988)
  • Please note: CDI units are excluded from warranty and are non-refundable once fitted

Technical Specs

Specification Detail
Height 45mm
Length 44.5mm
Width 25.46mm
Plugs 3
Pins 5

Vehicle Fitment Guide

Make & Model Years
Polaris Trail Boss 250 1988
Polaris Trail Boss 250 R/ES 1988

OEM Part Number Cross Reference

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

Part Number Manufacturer / Brand
3083643 Polaris
3083910 Polaris

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
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Shipping calculated at checkout. Free shipping over £150. Terms apply