The Datsun 1200 has a small Engine Compartment as is fitting for its optimized lightweight design. Yet still there is plenty of room for maintainence. Nissan calls it the engine room and many people call it the engine bay.
Comparision
B10 (Datsun 1000)
B110 (Datsun 1200)
B210 (Datsun 120Y/140Y/B-210)
B310 (Datsun Sunny/210/120Y/130Y/140Y/150Y)
B10 (quick ID: No strut towers)
B110 (quick ID: bonnet seal is above the wiper motor)