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Description
Replacement rope sheave. Arctic Cat OEM # 3003-179. Polaris OEM # 3083377.
Technical Specifications
- MFG. Part Number SM-11025C
Vehicle Information
Ski-Doo Formula 670 Snowmobile (1995-1999)
The Ski-Doo Formula 670 series, produced from 1995 to 1999, was a popular snowmobile known for its robust 669cc liquid-cooled twin-cylinder Rotax engine, consistently delivering around 120 horsepower. This model offered a blend of performance and reliability for riders during its production run. Throughout its production, the Formula 670 saw notable advancements. While the core 669cc engine displacement remained constant, significant chassis and suspension updates were introduced. In 1998, the Formula Z 670 debuted with the Advanced Rider Management (A.R.M.) rear suspension, a notable upgrade from previous designs. The 1999 model year brought the high-performance MXZ 670 HO, featuring a 'tweaked' Rotax 670 engine with increased horsepower and the Digital Performance Management (DPM) system, built on Ski-Doo's S-chassis. These changes offered riders enhanced handling and power options. Q: How do I ensure I select the correct part for my Ski-Doo Formula 670?
R: Due to variations in trims, chassis, and engine enhancements between 1995 and 1999, please use the year and edition selector on this page to find parts specifically compatible with your snowmobile.
Maintenance
| Component | Interval | Details |
| Oil Injection System | Before every ride | Check reservoir level and top off with manufacturer-specified 2-stroke oil. |
| Drive Belt | Inspect every 50 hours; Replace every 2,400 to 4,800 km | Inspect for wear, damage, glazing. Clean clutch periodically. Replacement interval depends on riding style. |
| Spark Plugs | Annually (at start of season) | Replace with fresh spark plugs. |
| Coolant | Check level before every ride; Change every 2 years | Use manufacturer-specified coolant or 50/50 premix. |