Wacker Neuson BS 50-4 Repair Manual

Repair Engine and Upper Machine Components
wc_tx001546gb.fm 79
4.25 Removing the WM 90 Engine
See Graphic: wc_gr001954, wc_gr003661, wc_gr001956, and wc_gr001957
4.25.1 Disconnect the spark plug cap (a) from the spark plug.
4.25.2 Disconnect the fuel line (b) from the carburetor and plug the line.
4.25.3 Disconnect the stop switch wire (c).
4.25.4 Disconnect the wiring (k) from the low-oil unit (l) (if equipped).
4.25.5 Remove the M8 x 16 bolt and washer (d) securing the guard to the
engine.
4.25.6 Remove the M8 bolt and washer (e) securing the guard to the rammer
crankcase.
4.25.7 Remove the six M8 bolts (f) securing the lower guard to the engine and
remove the guard.
4.25.8 Remove the wire running from the engine to the low-oil unit (if
equipped).
4.25.9 Loosen the retainer (g) from the throttle cable. Pry open the clamp (h)
and remove the throttle cable.
4.25.10 Loosen the clamp (i) securing the air intake hose to the carburetor and
remove the hose.
4.25.11 Remove the four nuts (j) securing the engine to the adapter and
remove the heat shield and the engine.

Wacker Neuson BS 50-4 Specifications

General

Engine Manufacturer	Honda
Stroke Height	65 mm
Fuel Type	Gasoline
Centrifugal Force	15 kN
Sound Pressure Level	92 dB(A)
Sound Power Level	105 dB(A)
Height	965 mm
Ramming Shoe Size	280 mm
Tank Capacity	3.1 l
Fuel Tank Capacity	3.1 l
Engine Type	4-cycle, single-cylinder, air-cooled
Percussion Rate	680 blows/min