part of the vital maintanence on an old engine. The valves are constantly subject to carbon from burnt diesel. This can and will build up affecting performance.
Many of these engines are 60 years old or more.
Due to their low performance they require little maintanence and are extremely reliable, but there is nothing quite as bad as a breakdown at sea.
Barrie Parker - consulting engineer shows how the valves work and how to regrind the seatings.
The engine is a j2 30 hp sabb we think from the early 70s.
11 дек 2018
