WITH CORRECT ANSWERS GRADED
A+ FOR 2026
Yamaha Marine Advanced Technician Practice Exam
1. In which system can technicians research and order parts?
A. YDIS
B. Marine Parts Finder
C. Yamaha Marine Business System (YMBS)
D. ServiceNet
2. During which stroke is the air/fuel mixture compressed into a vapor?
A. Intake Stroke
B. Compression Stroke
C. Power Stroke
D. Exhaust Stroke
3. When #1 piston is at TDC compression, which valves are seated in the head?
A. Piston 2 and 3 intake valves
B. Piston 1 intake and exhaust valves only
C. Piston 1 and 2 intake valves, and Piston 1 and 3 exhaust valves
D. All valves are open
4. During valve overlap, the intake valve begins opening near the end of which stroke?
A. Intake Stroke
B. Compression Stroke
C. Power Stroke
D. Exhaust Stroke