The 1.3 litre aluminium engine block and its internal components create a lightweight package with extremely low friction qualities. (autospeed.com)
The smaller, mostly aluminium engine has saved weight, but a few pounds have been put back on by a new four - wheel - steering system. (carmagazine.co.uk)
The 1KR series uses aluminium engine blocks and chain driven DOHC cylinder heads. (en.m.wikipedia.org)