POLARIS 3090390 Cdi Ecu Engine

( Manufacturer Part Number: 3090390 ), ( Part Type: Ecu Engine )

Review POLARIS Tested Good Oem Cdi Ecu Engine Computer fits INDY LXT 550 2015–2016

The Polaris Indy LXT 550 CDI engine, model number 3090390, is a powerful and advanced snowmobile engine produced by Polaris Industries between 2015 and 2016. This engine is specifically designed for the Indy LXT 550 snowmobile, offering excellent performance and reliability in various snow conditions.

The 550 CDI engine is a part of Polaris' CleanDrive line, which means it complies with the latest emission standards. It features a closed-loop fuel system that ensures precise fuel delivery, while the electronic fuel injection system provides quick and consistent throttle response. This results in improved power delivery, reduced fuel consumption, and lower emissions.

The engine is a single-cylinder, four-stroke design with a displacement of 546 cc. It has a bore and stroke of 85 mm x 72 mm, and a compression ratio of 10.3:1. The engine is air-cooled, featuring a radiator fan and a fan clutch to ensure optimal cooling performance. The engine also comes with a liquid-cooled oil cooler to help regulate engine oil temperature.

The Indy LXT 550 CDI engine is equipped with an electronic control unit (ECU) that manages various engine functions, such as ignition timing, fuel delivery, and engine temperature. This advanced technology allows for improved engine performance, increased efficiency, and easier diagnostics.

Additionally, the engine features a high-capacity crankshaft-mounted electric starter, making it easy to start the snowmobile in cold weather conditions. It also comes with a reliable and robust clutch system that ensures smooth power transfer to the tracks.

In summary, the Polaris Indy LXT 550 CDI engine, model number 3090390, is a powerful, advanced, and reliable engine designed for the Indy LXT 550 snowmobile. Its features include electronic fuel injection, closed-loop fuel system, liquid-cooled oil cooler, and an electronic control unit, making it a high-performing and efficient engine that complies with the latest emission standards.

The Polaris Indy LXT 550 CDI is a snowmobile model produced by Polaris Industries between 2015 and 2016. The CDI in the model name stands for Continuous Discharge Ignition, which is an advanced ignition system that provides better fuel efficiency and easier starting. Here are some pros and cons of buying this particular snowmobile engine:

1. Improved fuel efficiency: The CDI system helps the engine burn fuel more efficiently, which can save you money on gas in the long run.

2. Easy starting: The CDI system also makes starting the engine easier, even in cold temperatures.

3. Powerful: The Indy LXT 550 CDI is a powerful snowmobile engine, capable of delivering impressive performance on the snow.

4. Reliable: Polaris is known for producing high-quality snowmobile engines, and the Indy LXT 550 CDI is no exception.

1. Expensive: The Indy LXT 550 CDI is a premium snowmobile engine, and it comes with a premium price tag.

2. Heavy: This engine is heavier than some other snowmobile engines, which can make maneuvering the snowmobile more difficult.

3. Complex: The CDI system is more complex than traditional ignition systems, which can make maintenance and repairs more challenging.

In conclusion, the Polaris Indy LXT 550 CDI engine is a powerful, reliable, and efficient snowmobile engine. However, it comes with a high price tag and is heavier than some other engines. If you're looking for a high-performance snowmobile engine and don't mind the extra cost, then the Indy LXT 550 CDI is an excellent choice. However, if you're on a budget or prefer a lighter snowmobile, then you may want to consider other options.

If you're in the market for a new snowmobile engine and the Polaris Indy LXT 550 CDI fits your budget and performance requirements, then it's definitely worth considering. However, if you're looking for a more affordable option, you may want to explore other snowmobile engines from Polaris or other manufacturers. Be sure to do your research and compare features, performance, and prices before making a decision.

Details:

2015 550 INDY LXT S15CT5BEL/BSL/BSM - Electrical, Ignition System. 2016 550 LXT ALL OPTIONS S16CT5 - Electrical, Ignition System All Options. 2015 550 INDY 144/ES S15CR5BSA/BSL - Electrical, Ignition System. You can select expedited shipping but higher charges apply.

part #: 3090390 prices

• $199.00-$612.95

specifications snowpar:

• for models: Lxt, 550, Indy
• for makes: Polaris
• for years: 2015-2016
• mpn: 3090390
• part type: Ecu Engine

general snowpar:

• condition: Used
• Parts Accessories > Snowmobile Parts > Other Parts

returns snowpar:

• policy: Returns Accepted
• paid by: Buyer
• time: 14 Days

seller snowpar:

• city: Moorhead, Minnesota
• # reviews: 22203
• rating: 100.0%

offer snowpar:

• quantity: 1
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: January 16, 2026
• best offers: True

payments snowpar:

• credit card: Mastercard
• other
• wallet: Paypal

shipping snowpar:

• transit: 4-6 Days
• carrier: USPS, UPS
• cost: $0.00
• class: Expedited, One-day, Standard
• type: Calculated
• service: USPS Priority Mail, UPS Next Day Air Saver, UPS Next Day Air, UPS Ground

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