| There are a number of factors on a sled that age that can be attributed. Often it is a combination of things, such as and probably most likely is the condition of your belt and clutches. A proper inspection and service is likely do. Also make certain you are geared appropriately for your desired top speed, generally clutch efficiency is lost near the top of the sheave so you gear approx. 15% higher than your target. Also inspect Parallelism, offset and center distance. |