Admisia de aer se face printr-un tub din barca. Motorul este etans. Mai multe detalii mai jos :
https://www.boatsales.com.au/editorial/details/quintrexs-new-rotax-outboard-engine-what-we-know-136904/?fbclid=IwAR1IvinQ2lo2jC_K9lDTM8NQpwpG1qCqmbNLDOeLHK_X_y8XyhylZcGHAus
https://www.boatsales.com.au/editorial/details/quintrexs-new-rotax-outboard-engine-what-we-know-136904/?fbclid=IwAR1IvinQ2lo2jC_K9lDTM8NQpwpG1qCqmbNLDOeLHK_X_y8XyhylZcGHAus