ATS Trailblaster 200 Runners
ATS2-115 (MFG #: ATS2-115)
$66.99
Sale price
$66.99
Regular price
$66.99
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ATS Trailblaster 200 Runners for Ski-Doo Alpine 503 Snowmobile
ATS Trailblaster 200 Runners for Ski-Doo Alpine 503 Snowmobile
$66.99
Sale price
$66.99
Regular price
$66.99
SKU:ATS2-115
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Description
Replacements runner carbides. 6" 60 degree carbide on 7/16" bar with (2) 1" wear pads and hard weld filler. Use: Average trail riding, no studs. Sold in pairs.
Technical Specifications
- MFG. Part Number ATS2-115
Vehicle Information
Ski-Doo Alpine 503 Snowmobile (1986-1995)
The Ski-Doo Alpine, a robust utility snowmobile, was produced from 1986 to 1995, known for its distinctive twin-track design. It was primarily powered by the reliable Rotax 503 engine, a 496.7 cubic centimeter two-stroke, twin-cylinder, fan-cooled unit.
During this period, the Alpine series saw several trims, including the foundational Alpine, the Alpine I (available in 1986 with a two-speed transmission), the larger and heavier Alpine II (from 1988-1991 and 1993-1995), and the Alpine IV (introduced in 1990). A notable generational change occurred with the transition from the Alpine I to the Alpine II, which featured a significantly larger and heavier chassis. While the Rotax 503 remained standard, a very limited production run of the 1990 Alpine IV models exceptionally featured a 4-stroke Rotax 508cc engine, with only 50 units produced.
FAQ: How can I ensure this part fits my Ski-Doo Alpine 503? Please use the year and model selector at the top of the page to confirm compatibility for your specific snowmobile.
Maintenance
| Component | Interval | Details |
| Oil Filter | Regular check | Two-stroke engines do not have a traditional oil filter. Check and keep the oil reservoir full with the manufacturer-recommended 2-stroke injection oil. |
| Drive Belt | Inspect before every ride; replace if wear or inconsistent performance | Visually inspect the belt before every ride. Replace if signs of wear are observed (cracking, uneven wear, flat spots). Lifespan typically ranges from 2 500 km to 5 000 km, depending on riding style and conditions. It is suggested to start each season with a fresh drive belt. |
| Spark Plug | Replace before each season | Replace spark plugs before the start of each season for optimal engine performance. For frequent or hard riding, more frequent replacement may be needed. Always consult the owner's manual for exact specifications. |
| Air Filter | Check and clean pre-season and periodically | The air box and pre-filter should be checked and cleaned as part of pre-season maintenance and periodically during the season, especially if riding in dusty or snowy conditions. |
| Coolant | Check level before every ride; flush and change every 2 years | Check the coolant level before every ride when the engine is cold. A complete coolant flush and change is generally recommended every 2 years. Some sources suggest 4-5 years. Use manufacturer-specified coolant or a 50/50 premix rated for powersports. |
These intervals are based on general practices and may not be 100% accurate. Always consult the official owner's manual for precise information.