Yamaha F225A Service Manual

GEN
INFO
General information
1-11
69J3D11
Intake system
Throttle valve
A total of six intake throttle valves are provided, one for each cylinder. Together with the intake
silencer that offers enhanced intake efficiency and the injectors that are provided at each throttle
body, the throttle valves help to improve the intake efficiency of the engine. As a result, this engine
produces a higher power output and realizes better driveability.
1
Throttle valve
Exhaust system
In-bank exhaust system
The exhaust passage of the F225 is located in the V bank, a layout that is the opposite of conven-
tional V6 engines. By providing the exhaust passage in the V bank, the engine has been made con-
siderably more compact.
1
Exhaust gas
S69J1310
S69J1320

Yamaha F225A Specifications

General

Max Output	225 hp
Full Throttle RPM Range	5000 - 6000 RPM
Fuel Induction System	Electronic Fuel Injection (EFI)
Starting System	Electric
Lubrication	Wet sump
Gear Ratio	1.86:1
Steering	Remote
Ignition System	TCI
Alternator Output	50 A
Shaft Length	25 in (635 mm)