... /thread2YM170FEDiesel Engine, 4HP,E-start,3000/3600RPM,shaft:keyway/taperway/thread3YM178FDiesel Engine, 7HP, hand start,3000/3600RPM,shaft:keyway/taperway/thread4YM178FEDiesel Engine, 7HP,E- start,3000 ... /3600RPM,shaft:keyway/taperway/thread5YM178FSDiesel Engine, 7HP,hand start,camshaft (1/2) PTO,1800RPM,Keywayshaft only6YM178FSEDiesel Engine, 7HP,E-start, ...