Sports Parts Inc. Snowmobile Slide
04-187-03XX (MFG #: 627-66-87)
$32.99
Sale price
$32.99
Regular price
$32.99
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Sports Parts Inc. Snowmobile Slide for Ski-Doo Stratos 503 Snowmobile
Sports Parts Inc. Snowmobile Slide for Ski-Doo Stratos 503 Snowmobile
$32.99
Sale price
$32.99
Regular price
$32.99
SKU:04-187-03XX
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Description
Keep your sled running smooth all season long with the Sports Parts Inc. (SPI) Snowmobile Slide. Built with precision and durability in mind, these high-quality replacement slides are engineered to reduce friction, extend track life, and provide consistent performance in all riding conditions.
Features:
- Durable Construction – Made from tough, wear-resistant material for long-lasting reliability.
- OEM Fit & Performance – Designed to meet or exceed original manufacturer standards for a seamless replacement.
- Smooth Track Operation – Reduces drag and heat buildup for better efficiency and longer track life.
- Easy Installation – Direct-fit design allows for quick replacement with minimal tools.
- Trusted Brand – Sports Parts Inc. is a leader in aftermarket snowmobile parts, ensuring quality you can count on.
Why You’ll Love It:
Whether you’re carving fresh trails, racing across lakes, or tackling tough backcountry terrain, the SPI Snowmobile Slide ensures your ride stays smooth and dependable. By minimizing wear and friction, it helps protect your sled’s suspension and track system—so you can spend more time riding and less time in the shop.
- Fits a variety of makes and models
- Perfect for seasonal maintenance or mid-season replacement
- Affordable performance upgrade from a trusted name in snowmobile parts
Technical Specifications
- MFG. Part Number 627-66-87
Vehicle Information
Ski-Doo Stratos 503 Snowmobile (1986-1988)
The Ski-Doo Stratos 503, produced from 1986 to 1988, was a popular single-driver snowmobile known for its reliable performance. It was consistently powered by the robust Rotax 503 fan-cooled twin-cylinder engine, featuring a displacement of 496.7 cm³ (often rounded to 497cc) and delivering approximately 37 kW (50 hp) at 6800 rpm. Throughout its production, the Stratos 503 was primarily offered as a single model, without distinct sub-trims, maintaining its core identity. While there was no mid-cycle generation change, Ski-Doo introduced continuous improvements. The 1987 model year saw the integration of the innovative Positive Steering Suspension (PSS) front struts for enhanced steering and ride comfort, alongside a new rounded styling and an impact-resistant Metton hood. It also featured the Stratos rear slide suspension. For 1988, the Stratos continued with its proven engine, adding a wider 16.5-inch track, the advanced TRA (Total Range Adjustable) clutch, and a "Heat Flow" cab designed for improved rider comfort on longer excursions. These updates aimed to refine the riding experience without altering the fundamental platform. FAQ:
Q: How do I ensure this product fits my Ski-Doo Stratos 503?
A: To guarantee compatibility, please use the year and model selector at the top of this page. This will filter products specifically designed for your snowmobile's exact specifications. Q: Are there different versions of the Stratos 503 for 1986-1988?
A: While the Stratos 503 maintained a single primary model, specific features and components were updated annually. Always refer to the year selector for precise fitment.
Maintenance
| Component | Interval | Details |
| Oil Filter | Not applicable (2-stroke engine) | The Rotax 503 is a 2-stroke engine that mixes oil directly with fuel, so it does not use a traditional engine oil filter. Chaincase oil should be changed at the end of the season. |
| Drive Belt | Inspect before every ride; replace if worn | Inspect the belt for signs of wear (cracking, fraying). It is recommended to start each season with a fresh belt. Lifespan can vary from 2,400 to 4,800 km, but performance issues may indicate an earlier replacement is needed. |
| Spark Plug | Inspect or replace annually or every 50 hours | The 1987 model uses BR9ES spark plugs with a gap of 0.4 mm. Inspect or replace if experiencing misfires, rough idling, or loss of power. |
| Air Filter | Periodic inspection; clean/replace as needed | Inspect periodically for dirt buildup. Clean or replace if light cannot be seen through the filter. Dusty conditions require more frequent maintenance. |
| Coolant | Check before and during season; flush every 2 to 5 years | Check levels before and during the season. A flush is recommended every 2 years or every 4-5 years, as coolant can become corrosive. |
The maintenance intervals above are based on general practices and may not be 100% accurate for your specific model. It is highly recommended to consult the official owner's or service manual for your Ski-Doo Stratos 503 for the most precise information.