Power unit
2-4
Intake silencer
Newly designed intake silencer “1” is employed. The space provided inside the silencer absorbs the
intake air noise and the mechanical noise of the engine. This feature has greatly improved the quiet
performance while the engine is in operation compared to F375/F425 (XF375/F425).
Shift-shock reduction
The gearshift shock has been reduced by the improved engine control program for the gearshift op-
eration. Quietness has been improved relative to F375/F425 (XF375/XF425). The effect of the improve-
ment is especially evident in multiple engine applications operated with joystick.