1
Yamaha Motor University Exam (2025)
Exam Questions & Answers | Latest
Already Graded A+ UPDATE 2025|2026!!
-The Powerhead
-Outboards
-Steering
-Inboard motors - (ANSWER)-is where the motor is located
-combine the motor and drive into a single packaged unit
-can be controlled by remote or direct methods
-are common on large vessels
Oil seal is designed to keep ___ in and prevent _____ or dust from coming in from
outside - (ANSWER)oil/water
The bracket is used to: - (ANSWER)-attaches the motor to the boat
-it allows for trim and tilt movements
-it allows the motors to pivot which allows steering
-acts as a shock absorber if the lower unit hits an underwater object while the
boat is at speed
One side of the Circlip has a sharp-edged (90 degrees) corner and other is angled
(45 degrees). Install a circle with the ___________ side opposite the direction of
force/ - (ANSWER)Sharp-edged/ -><-
, 2
-a touque wrench is used
-a dial gauge is used
-a vernier caliper is used
-a reamer is used
-a pressure gauge can be used-
-a micrometer can be used - (ANSWER)-for tightening a bolt or nut to the
specified torque
-to measure the runout or deflection of a shaft or plane
-for measurement of inside, outside diameters and depths
-to finish precision bores of valve stems and other bushings
-to measure intake vauum
-to measure thickness very accurately
Identify the different combustion chamber designs - (ANSWER)Hemispherical (2)
Wedge (1)
During the intake stroke what is the correct order? - (ANSWER)-the intake valve is
opened
-the piston moves downward
-a negative pressure is produced in the cylinder
-the air-fuel mixture is taken in
Yamaha Motor University Exam (2025)
Exam Questions & Answers | Latest
Already Graded A+ UPDATE 2025|2026!!
-The Powerhead
-Outboards
-Steering
-Inboard motors - (ANSWER)-is where the motor is located
-combine the motor and drive into a single packaged unit
-can be controlled by remote or direct methods
-are common on large vessels
Oil seal is designed to keep ___ in and prevent _____ or dust from coming in from
outside - (ANSWER)oil/water
The bracket is used to: - (ANSWER)-attaches the motor to the boat
-it allows for trim and tilt movements
-it allows the motors to pivot which allows steering
-acts as a shock absorber if the lower unit hits an underwater object while the
boat is at speed
One side of the Circlip has a sharp-edged (90 degrees) corner and other is angled
(45 degrees). Install a circle with the ___________ side opposite the direction of
force/ - (ANSWER)Sharp-edged/ -><-
, 2
-a touque wrench is used
-a dial gauge is used
-a vernier caliper is used
-a reamer is used
-a pressure gauge can be used-
-a micrometer can be used - (ANSWER)-for tightening a bolt or nut to the
specified torque
-to measure the runout or deflection of a shaft or plane
-for measurement of inside, outside diameters and depths
-to finish precision bores of valve stems and other bushings
-to measure intake vauum
-to measure thickness very accurately
Identify the different combustion chamber designs - (ANSWER)Hemispherical (2)
Wedge (1)
During the intake stroke what is the correct order? - (ANSWER)-the intake valve is
opened
-the piston moves downward
-a negative pressure is produced in the cylinder
-the air-fuel mixture is taken in