Remove Exhaust Nipples (If Equipped); Remove Port Liners (If Equipped); Remove Muffler; Vertical Crankshaft Ducted Engines - Briggs & Stratton Twin Cylinder L-Head Repair Manual

Remove Exhaust Nipples (If Equipped)

Remove exhaust nipples by loosening lock nuts first
and then turn out nipples. Penetrating oil may be
required to loosen and prevent galling exhaust port
threads, Fig. 5.

Remove Port Liners (If Equipped)

Remove two (2) cap screws, port liners and gasket,
Fig. 6. Penetrating oil may be required to loosen and
prevent galling port liner mounting threads.
Muffler is held to muffler mounting bracket with four (4)
screws, Fig. 7. Penetrating oil may be required to
prevent muffler mounting screw threads from stripping.

REMOVE MUFFLER

Vertical Crankshaft Ducted Engines

1. Remove six (6) screws holding top plate to cylinder
air guides, Fig. 8.
14
Fig. 5 – Exhaust Nipple
GASKET
Fig. 6 – Removing Port Liners
AIR
GUIDE
FRAME
4 SCREWS
Fig. 7 – Remove Muffler
AIR
GUIDE
6 SCREWS
TOP
PLATE
Fig. 8 – Loosen Top Plate
EXHAUST
NIPPLE
LOCKNUT
CAP
SCREWS
PORT
LINER
MOUNTING
BRACKET
AIR
GUIDE
3