Cylinder Head - wsm BX1800 Workshop Manual

BX1800 · BX2200, WSM

[2] CYLINDER HEAD

The cross-flow tape intake / exhaust ports in this
engine have their openings at both sides of the cylinder
head. Because overlaps of intake / exhaust ports are
smaller than in ports of other types which have openings
on one side, the suction air can be protected from being
heated and expanded by heated exhaust air. The cool,
high density suction air has high volume efficiency and
raises the power of the engine. Furthermore, distortion
of the cylinder head by heated exhaust gas is reduced
because intake ports are arranged alternately.
The combustion chamber is of KUBOTA's exclusive
E-TVCS combustion chamber type. Suction air is shirled
to be mixed effectively with fuel, prompting combustion
and reducing fuel consumption.
In the combustion chamber are installed throttle type
injection nozzle and rapid heating sheathed type glow
plug. This glow plug assures easier than ever engine
starts even at –15 °C (5 °F).
(1) Combustion Chamber
(2) Intake Port
(3) Exhaust Port
(4) Nozzle Assembly
(5) Glow Plug
(6) Cylinder Head
1-M2
ENGINE
(7) Depression
(8) Compressed Air
(A) Connect to Combustion
Chamber
W1012704
KiSC issued 07, 2006 A