Not sure of component terminology. Fuel/oil mix device (botton one) around crank has disintegrated. Could be due to worn bearing? Has made contact with crank web and blown apart. Bits found their way into cylinder bore. All main bearings and con rod bearings apprear worn. Will attempt rebuild...
Have purchased 50 hp thunderbolt. Serial number is 4417206. Would like to know year and do we use leaded or can we use unleaded fuel please?<br />Brisbane, Australia.
