All Balls Shaft Bearing and Seal Kit
03-141001 (MFG #: 14-1001)
$60.55
Sale price
$60.55
Regular price
$60.55
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All Balls Shaft Bearing and Seal Kit for Ski-Doo Formula Plus 521 Snowmobile
All Balls Shaft Bearing and Seal Kit for Ski-Doo Formula Plus 521 Snowmobile
$60.55
Sale price
$60.55
Regular price
$60.55
SKU:03-141001
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Description
All Balls Snowmobile Drive-Train Bearng & Seal Kits contain all of the bearings,seals,O-rings and misc. parts needed to refresh your Driveshaft or Jackshaft in one convenient package.All bearings are an ABEC 3 level precision hi-speed bearings filled with Kyodo-Yoshi PS2 low temp grease,sealed using low drag double lip seals to provide superior performance in all weather conditions. Type TC Nitrile Elastomer seals are also included with each kit, designed to keep the water and dirt out and provide an optioum seal.
Technical Specifications
- MFG. Part Number 14-1001
Vehicle Information
Ski-Doo Formula Plus 521 Snowmobile (1985-1991)
The Ski-Doo Formula Plus 521, produced from 1985 to 1991, established itself as a pioneering high-performance trail snowmobile. It debuted with an innovative Independent Front Suspension (IFS) and a robust 521cc liquid-cooled Rotax twin engine, consistently delivering powerful performance throughout its production run. This model featured an all-new chassis with an aluminum tunnel and a Progressive Reaction Suspension (PRS) in the rear, setting new standards for its era. While the core 521cc engine remained, the 1985 model year marked a significant platform introduction, featuring a new chassis and the Type 537 Rotax engine with oil injection. In 1991, a notable performance variant, the Formula Plus X, was introduced. This trim included specific engine enhancements like a different pipe, rotary valve, 38mm carburetors, and additional airbox intakes, alongside a chromoly front bulkhead, to further boost horsepower. Other trims like the LT (Long Track), E, XTC, and XTCE SS/SR were also offered in later years, providing options for different rider preferences. Q: How do I ensure this part fits my specific Ski-Doo Formula Plus 521?
A: To guarantee a perfect fit, please use the year and edition selector at the top of this page. This will filter parts specifically compatible with your snowmobile's exact configuration.
Maintenance
| Component | Interval | Details |
| Oil (Injection System) | Before every ride | Check reservoir level. Use only high-quality 2-stroke injection oil, TC-W3 rated or manufacturer-specific. Two-stroke engines with oil injection systems do not have a traditional engine oil filter. |
| Drive Belt | Inspect every 50 hours or if performance feels off. Replace every 2 400 to 4 800 km. | Inspect for signs of separation, edge cord coming out, glazing, or excessive narrowing. Maintain proper tension and height in the secondary clutch. |
| Spark Plugs | Inspect and replace as needed | As part of regular tune-ups or if performance issues arise. |
| Air Filter | Clean or replace as needed | Often seasonally or based on riding conditions, to ensure proper engine breathing. |
| Coolant | Check before every ride. Replace every 2 years. | Check level when the engine is cold. Use manufacturer-specified coolant or a 50/50 premix rated for powersports. |
The intervals provided are based on general practices for 2-stroke snowmobiles of this era. For the most accurate and detailed schedule, always consult the official Ski-Doo owner's manual specific to your model year.