5
550iq
Well-known member
ak, poor crankcase seals aggrevated by high crankcase temperatures seemed to be the consensus. Some of the failed engines were in the racer class, some were not. To add a bit of insurance to our 4 team sleds, the coated pistons were recommended. Heat issues brought about due to the lack of a cool fuel charge in the crankcase makes sense to us and we coated the pistons. Complications with turbocharging a direct injected two stroke engine and overcoming them can only enhance our understanding of the engine. Again, talented and dedicated sledheads shine the way for the factories and us riders.