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Description
Technical Specifications
- MFG. Part Number RUP-1225
Vehicle Information
Yamaha Mountain Max 600 Snowmobile (1997-2002)
The Yamaha Mountain Max 600, produced from 1997 to 2002, was a popular snowmobile designed for mountain riding. Initially powered by a 598cc twin-cylinder engine, it underwent a significant change in 2000. For the 2000 model year, Yamaha introduced an all-new 593cc triple-cylinder engine, marking a shift in its engine generation. This new engine offered around 100 horsepower, a slight increase from the twin-cylinder's 97 HP. Alongside the engine update, track specifications also evolved. Early models (1997-1999) typically featured a 136-inch track with a 1.5-inch lug height. From 2001 onwards, the triple-cylinder models adopted a longer 141-inch track with a 2.0-inch lug height, enhancing deep snow performance. The 2000 model was an intermediate, retaining the 136-inch track but upgrading to a 2.0-inch lug. While specific trim names were not consistently advertised, Yamaha used internal model codes (e.g., MM600A, MM600D) to differentiate yearly versions. Q: How do I ensure I'm getting the right parts for my Mountain Max 600?
A: The Yamaha Mountain Max 600 saw significant engine and track changes between 1997 and 2002. To guarantee a perfect fit, please use the year and edition selector at the top of this page to specify your exact model.
Maintenance
| Component | Interval | Details |
| Oil (2-stroke injection) | Before every ride | Ensure the oil reservoir is full. Using high-quality 2-stroke injection oil (TC-W3 or manufacturer-specific) is crucial to prevent engine damage. |
| Oil Filter | Not applicable | 2-stroke snowmobiles typically do not have an engine oil filter like 4-stroke engines, as they use an oil injection system. |
| Drive Belt | Inspect every 50 hours or 2,400 to 4,800 km | Inspect for wear and damage. Remove belt dust buildup from clutch faces annually or if performance degrades. |
| Spark Plugs | Inspect and replace as needed | Check for wear, insulator color, and gap (typically 0.7-0.8 mm). A BR9ES (NGK) model is often recommended. |
| Air Filter | Regular inspection and cleaning | Specific intervals were not detailed, but regular inspection and cleaning are standard for snowmobile air intake systems. |
| Coolant | Every 2 years | Ensure the cooling system is in good shape and free of leaks. |
| Chaincase Oil | Annually or at end of season | Use manufacturer-specified chaincase oil. |
| Lubrication | Regularly | Lubricate all zerks on the suspension, typically around 10 (seven in the back, three in the front). |
| Clutches | Inspect regularly, clean every few years | Inspect primary and secondary clutches for loose or broken components. Replace secondary clutch plastic ramps periodically. |
| Track, Hyfax, Idler Wheels | Inspect regularly | Check track tension and inspect the track for wear. Also, check the hyfax and idler wheels. |
| Pre-season Inspection | Before the first ride of the season | Conduct a thorough check of all systems: brakes, track, suspension, engine, and electrical components. |