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Description
- You must re-install your OEM spark plug cap(s).
- Once your OEM spark plug cap(s) are re-installed, our part becomes a Plug-and-play unit, direct fit, and easy to install.
- All products shipped are tested.
- Ready to use, without configuration and easy to install.
- One year limited warranty.
Technical Specifications
- MFG. Part Number 01-143-55
Vehicle Information
Polaris Indy Sport 440 Snowmobile (1991-1999)
The Polaris Indy Sport 440, produced from 1991 to 1999, was a popular snowmobile known for its reliable performance and nimble handling. Throughout this period, the model primarily featured a fan-cooled, twin-cylinder engine, though specific displacement and available trims varied slightly by year. Over the years, the Indy Sport 440 experienced continuous evolution rather than major generational breaks. Significant updates included the all-independent front suspension from 1991, enhancements in 1993 (larger fuel tank, handwarmers, reshaped seat), and the adoption of the "Wedge" chassis in 1994. While Sport models generally maintained a fan-cooled engine, some related 440 versions introduced liquid-cooled engines with slightly different displacements (e.g., 439cc in 1997, 438cc in 1999), expanding the range of available options. Q: How can I ensure this part fits my snowmobile?
A: To guarantee compatibility, please use our year and model selector at the top of the page. Q: Are there significant differences between the 1991 and 1999 models?
A: Yes, updates were made to the chassis, suspension, and features. Use the selector to find parts specific to your year.
Maintenance
| Component | Interval | Details |
| Oil Filter | 800 km or 6 months (after initial break-in) | Initial break-in: 25 hours, 800 km or 1 month. Always change the filter when changing the oil. |
| Drive Belt | Inspect every 800 km or 6 months. Replace as needed. | Inspect before each ride. Requires a break-in period of 8 to 16 km. Replace if jerkiness, reduced RPM, or cracks. |
| Spark Plug | 3,200 km or 2 years. Replace at the start of each season. | Using non-recommended spark plugs can lead to serious engine damage. |
| Air Filter | Daily inspection and cleaning (pre-filter). Replace every 1,600 km, 50 hours, or annually. | Replace more frequently in dusty or muddy conditions. |
| Coolant | Check level daily. Flush system every 8,000 km or 5 years. Replace 60/40 coolant every 2 years (if applicable). | Inspect system condition and pressure annually. |