fits model: 500. make: Polaris. year: 1986–1999.

( Brand: Spi ), ( Manufacturer Part Number: 09-71206710110C09503 )
The SPI 09-71206710110C09503060 Top End Repair Kit is an essential component for Polaris snowmobile owners who want to keep their machines running in top shape. Designed specifically for Polaris snowmobiles manufactured between 1986 and 1995 with a 500 73 engine and a 5mm cylinder bore, this repair kit ensures a reliable and efficient restoration of your engine.
Paragraph 2:This comprehensive Top End Repair Kit includes all the necessary parts for the rebuild of the top end of the engine. In the box, you will find high-quality gaskets, piston rings, and cylinder liner plugs. The gaskets provide a perfect seal, preventing air and coolant leakages and sealing combustion clearances. The piston rings, on the other hand, ensure an efficient transfer of power from the piston to the crankshaft by maintaining a tight seal and seating properly in the cylinder.
Paragraph 3:The cylinder liner plugs in the kit play a crucial role in retaining the cylinder liner in the cylinder block. Made from durable material, these plugs provide optimal sealing and eliminate potential leaks, allowing for optimal engine performance. Each component in the kit is designed to meet or exceed OEM specifications, ensuring long-lasting and reliable operation for your Polaris snowmobile.
Paragraph 4:Installing the Top End Repair Kit is a comparatively simple process, with easy-to-follow instructions provided in the package. The detailed installation guide simplifies the rebuilding process, making it accessible for even those with little to no engine experience. By replacing the worn-out parts with new ones from this kit, you can restore your Polaris snowmobile's engine to its original capabilities, granting you improved power, responsiveness, and overall performance.
Paragraph 5:Investing in the SPI 09-71206710110C09503060 Top End Repair Kit for your Polaris snowmobile not only revitalizes your engine but also prolongs its lifespan. By servicing your engine with high-quality replacement parts, you're protecting your investment in your Polaris snowmobile while ensuring a safer, more enjoyable riding experience. With the durability and quality of the parts found in this repair kit, you'll be able to look forward to countless hours of snowmobiling adventures.
These are some potential advantages and disadvantages of purchasing a SPI 09-71206710110C09503-060 Top End Repair Kit for Polaris Snowmobiles (1986-1999, 500 73, 5mm).
II. Pros1. Compatibility: This repair kit is specifically designed for Polaris snowmobiles with model numbers from 1986 to 1999, engine type 500 73, and 5mm cylinder bore.
2. Convenience: It provides all the necessary parts for top end rebuild, making it easier and more cost-effective to repair the snowmobile rather than purchasing individual parts.
3. High-Quality: SPI is a reputable brand known for producing durable and reliable aftermarket automotive parts.
4. Time-Saving: With the convenience of having all the necessary repair parts in one kit, the repair process is expedited, saving both time and potential labor costs.
III. Cons1. Cost: While the cost of the repair kit is typically less than purchasing individual parts, it may be more expensive than an older or used top end rebuild kit.
2. Limited Longevity: Since the engine components inside this kit are new, they may wear out or degrade more quickly than original, worn parts.
3. Availability: Older Polaris snowmobile models and specific parts may be harder to find, limiting the availability of this repair kit.
4. Lack of Customization: A kit contains standard components, which may not fit every snowmobile perfectly and could require additional customization or adjustments.
IV. ConclusionThe SPI 09-71206710110C09503-060 Top End Repair Kit for Polaris Snowmobiles (1986-1999, 500 73, 5mm) combines the advantage of having all the necessary repair parts in one kit with the disadvantage of potentially higher costs when compared to an older or used kit. Additionally, though this repair kit offers the assurance of high-quality components, it may require more customization than an older kit and could wear out more quickly due to its newness.
V. RecommendationThose who value convenience, certainty, and time-efficiency may find purchasing the SPI 09-71206710110C09503-060 Top End Repair Kit beneficial for their Polaris snowmobile repair projects. However, those on a budget or seeking a more cost-effective option may want to consider purchasing a used or older repair kit or individual parts. Ultimately, the decision depends on your specific situation, including the availability of the repair kit and the desired outcome.
Pistons are for .060 over bore size 73.50mm. Made in Taiwan. Includes 2 piston kits, bearings top end gasket kit everything pictured. 1987 Trail 500.
Piston weight compatible with original piston. Manufactured by SPI. All pistons, rings, pins, cir clips bearings are manufactured to OEM specifications.
1986 Trail 500 SP.