2020-2023 POLARIS RMK 650 850 & BOOST CRANKCASE / MAIN ENGINE CASES. This is a used intact case. It show signs of use, dirt, and debris. But it is free of cracks and damage. Would be a good foundation for a build after cleaning and inspection. May need new oil fittings, and water pump shaft. It is evident that the motor had a PTO side top end failure. But the case is in useable condition.

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