SPI CDI Modular Amplifier for Ski-Doo Summit Formula MXZ Replaces OEM# 410918900

CDI Modular Amplifier for Ski-Doo

This SPI CDI modular amplifier replaces OEM part 410918900 for Ski-Doo Summit, Formula, and MXZ models, delivering consistent spark and improved ignition timing for snowmobile engines. It serves as a direct replacement module to restore or enhance your machine's ignition performance. This amplifier is a reliable component for maintaining peak engine power.

Overview

This SPI CDI modular amplifier is a replacement ignition control unit for Ski-Doo Summit, Formula, and MXZ snowmobiles, replacing OEM 410918900. The CDI amplifier manages ignition timing and spark energy, ensuring reliable starts and smooth operation. This component is essential for keeping your Ski-Doo running efficiently in demanding winter conditions.

Built For Performance

• Solid-state construction for long-term reliability and vibration resistance
• Direct plug-and-play design for simple installation
• Matches OEM specifications for consistent ignition performance
• Compact modular housing fits stock mounting locations
• Tested for cold-weather operation in extreme environments

Fits These Machines

• for Ski-Doo Summit
• for Ski-Doo Formula
• for Ski-Doo MXZ

On-The-Job Use

• Deep snow riding where consistent ignition is critical for throttle response
• Trail riding on snowmobiles needing reliable spark in cold weather
• Replacement of failed or worn CDI modules to restore engine performance
• Custom builds or restorations requiring a functional ignition amplifier

Specs At A Glance

Good To Know

Q: Will this SPI CDI amplifier work on other Ski-Doo models? A: This amplifier is designed for Summit, Formula, and MXZ models, but fitment may vary by year and specific engine, so always verify compatibility.

Q: What are the symptoms of a failing CDI amplifier? A: A failing amplifier can cause intermittent spark, hard starting, misfiring, or a complete no-start condition in your snowmobile.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.