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Back in the '80s I broke in a Rotax race bike on the dyno in Phil Darcy's shop in Texas, on the way to Daytona. Part of his test setup was a flow meter on the breather outlet, and he said you could tell when the rings had seated by watching the flow rate decrease from an initially high value to a lower constant value. I thought that was pretty cool at the time. It seemed to work really well. We had no smoke or oil blow by at the track. Unfortunately, the balance shaft broke in practice and trashed the bottom end.Ken
Back in the '80s I broke in a Rotax race bike on the dyno in Phil Darcy's shop in Texas, on the way to Daytona. Part of his test setup was a flow meter on the breather outlet, and he said you could tell when the rings had seated by watching the flow rate decrease from an initially high value to a lower constant value. I thought that was pretty cool at the time. It seemed to work really well. We had no smoke or oil blow by at the track. Unfortunately, the balance shaft broke in practice and trashed the bottom end.
Ken
