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Workman MDX Page 3 -- 9 Briggs & Stratton Gasoline Engine
Removal (Fig. 7)
1. Park machine on a level surface, stop the engine, en-
gage parking brake and remove the key from the ignition
switch.
2. Raise cargo box and support with prop rod.
CAUTION
The muffler and exhaust pipe may be hot. To
avoid possible burns, allow engine and exhaust
system to cool before working on the muffler.
3. Remove four (4) coupler springs securing the ex-
haust coupler to the muffler and exhaust manifold. Re-
move exhaust coupler.
4. Remove two (2) cap screws and lock washers secur-
ing the muffler to the swing arm. Remove muffler from
machine.
5. If exhaust manifold needs to be removed from en-
gine, remove four (4) screws and lock washers securing
the manifold to the engine. Remove exhaust manifold.
Remove exhaust gaskets and clean gasket surfaces of
manifold and engine.
Installation (Fig. 7)
NOTE: Mount all exhaust components loosely before
tightening to ensure a proper fit of exhaust system.
1. If the exhaust manifold was removed from engine,
install manifold to engine with new gaskets. Make sure
that gaskets align with exhaust ports of cylinder heads.
Loosely attach exhaust manifold to the engine with re-
moved fasteners.
2. Position muffler to the machine. Secure muffler
loosely to the swing arm with two (2) cap screws and
lock washers.
3. Position exhaust coupler to the muffler and exhaust
manifold. Secure coupler with four (4) coupler springs.
4. Tighten screws that secure exhaust manifold to the
engine.
5. Tighten cap screws that secure muffler to the swing
arm.
6. Lower and secure cargo box.
Briggs & Stratton
Gasoline Engine