2025 ARCTIC CAT RIOT 858 146 SP ES

A full engine rebuild enhances your machine’s performance. We disassemble the engine down to the bare block and rebuild it with all new components. A full rebuild includes new parts, such as gaskets, oil pumps, timing chains, gears, and belts. You’ll get remachined valves, valve seats, and crankshafts, as well as a new air filter, fuel filter, spark plugs, water pump, and all the power of a rebuilt engine.