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Description
- One piece style, manufactured from the highest quality steel
- Precise machining on every model for accuracy
- Heat treated for superior strength
- Note: DO NOT use air/electric impact on puller, it can cause thread damage
Technical Specifications
- MFG. Part Number ACS-04
Vehicle Information
Arctic Cat EXT 650 Snowmobile (1972-1973)
The Arctic Cat EXT 650, a high-performance snowmobile, was a prominent model in the 1972 and 1973 lineups. Designed for racing and enthusiasts, this powerful machine was equipped with a 3-cylinder engine, generally around 650 cc, reflecting its competitive spirit. It was part of the broader EXT series, known for its various engine sizes and focus on performance. While the EXT 650 model remained consistent across 1972 and 1973, there were minor refinements. The 1972 model featured an implied 650 cc engine, while the 1973 version was specified at 644 cc with over 100 horsepower. The overall EXT lineup also saw changes in available engine trims between these years, but the core 650 model did not undergo a major generation change. Q: How do I ensure I select the correct parts for my Arctic Cat EXT 650?
A: Please use the year and model selector at the top of the page to confirm compatibility for your specific 1972 or 1973 Arctic Cat EXT 650.
Maintenance
| Component | Interval | Details |
| Oil Filter | Not applicable | Two-stroke engine without a separate oil filter. Oil is mixed with fuel. |
| Drive Belt | Regular inspection | Check for wear, alignment, and tension. |
| Spark Plug | As needed | Clean carbon deposits, check and adjust gap (0.5 mm). Decarbonize as needed. |
| Air Filter | As needed | Check, clean, or replace as necessary, especially in dusty conditions. |
| Coolant | Not applicable | Air-cooled engine, no liquid coolant system. |
| Fuel Strainer/Filter | As needed | Clean strainer or replace filter insert if present. |
| Carburetor | As needed | Precise adjustment for optimal performance. |
| Exhaust Port | As needed | Check for carbon build-up and decarbonize as needed. |
| Pre-Operation Checks | Before each use | Check cooling system, exhaust system, throttle, and brake controls. |