Parts Catalogue

Footnotes
Not illustrated
n
Not serviced separately
o
Obtain from your local Briggs & Stratton dealer
p
Included in Carburetor Overhaul Kit (Ref. No. 121)
q
Included in Engine Gasket Set (Ref. No. 358)
r
Included in Carburetor Gasket Set (Ref. No. 977)
s
Included in Valve Gasket Set (Ref. No. 1095)
t
Included in Carburetor Overhaul Kit (Ref. No. 121,
121A)
u
Part Description Abbreviations
Part descriptions in this catalog may include the following abbreviations.
AR. . . . . . . . . . . . . . . as required
ASM. . . . . . . . . . . . . assembly
BBC. . . . . . . . . . . . . blade brake clutch
CARR. . . . . . . . . . . . carriage
DEG. . . . . . . . . . . . . degrees
EXT. . . . . . . . . . . . . . external
FH. . . . . . . . . . . . . . . flat head
GA. . . . . . . . . . . . . . gauge
HD. . . . . . . . . . . . . . heavy-duty
HF. . . . . . . . . . . . . . . hex flange
HH. . . . . . . . . . . . . . hex head
HHF. . . . . . . . . . . . . hex head flange
HHFTF. . . . . . . . . . . hex head flange thread forming
HJ. . . . . . . . . . . . . . . hex jam
HLH. . . . . . . . . . . . . hex lag head
HOC. . . . . . . . . . . . . height-of-cut
HSBH. . . . . . . . . . . . hex socket button head
HSFH. . . . . . . . . . . . hex socket flat head
HSH. . . . . . . . . . . . . hex socket head
HWH. . . . . . . . . . . . . hex washer head
HWHTF. . . . . . . . . . . hex washer head thread
forming
HYD. . . . . . . . . . . . . hydraulic
LH. . . . . . . . . . . . . . . left hand
NI. . . . . . . . . . . . . . . nylon insert
NPTF. . . . . . . . . . . . national pipe thread fine
PFH. . . . . . . . . . . . . phillips flat head
PPH. . . . . . . . . . . . . phillips pan head
PPHTF. . . . . . . . . . . phillips pan head thread
forming
PRH. . . . . . . . . . . . . phillips round head
PTH. . . . . . . . . . . . . phillips truss head
PTO. . . . . . . . . . . . . power-take-off
RH. . . . . . . . . . . . . . right hand
ROPS. . . . . . . . . . . . roll-over protection system
SFH. . . . . . . . . . . . . slotted fillister head
SHH. . . . . . . . . . . . . slotted hex head
SHWH. . . . . . . . . . . . slotted hex washer head
SPH. . . . . . . . . . . . . slotted pan head
SQH. . . . . . . . . . . . . square head
SRH. . . . . . . . . . . . . slotted round head
STD. . . . . . . . . . . . . standard
TAP. . . . . . . . . . . . . . self tapping
TTH. . . . . . . . . . . . . . torx truss head
Contents
Description Page
. . . . . . 3Frame Assembly
. . . . . . 4Seat Assembly
. . . . . . 5Control Assembly
. . . . . . 6Drive Assembly
. . . . . . 7LH Hydro Transaxle Assembly No. 112-4760
. . . . . . 9RH Hydro Transaxle Assembly No. 112-4761
. . . . . . 11Engine, Muffler and Clutch Assembly
. . . . . . 12Styling Assembly
. . . . . . 13Bagging Assembly
. . . . . . 1442 Inch Top Deck Assembly
. . . . . . 1642 Inch Bottom Deck Assembly
. . . . . . 17Spindle Assembly No. 107-9161
. . . . . . 18Electrical Assembly
. . . . . . 19
Cylinder Assembly Briggs and Stratton Model
31P777-0133-E1
. . . . . . 20
Cylinder Head Assembly Briggs and Stratton
Model 31P777-0133-E1
Description Page
. . . . . . 21
Crankshaft Assembly Briggs and Stratton
Model 31P777-0133-E1
. . . . . . 22
Crankcase Assembly Briggs and Stratton
Model 31P777-0133-E1
. . . . . . 23
Carburetor Assembly (Nikki) Briggs and
Stratton Model 31P777-0133-E1
. . . . . . 24
Governor Assembly Briggs and Stratton
Model 31P777-0133-E1
. . . . . . 25
Blower Housing Assembly Briggs and Stratton
Model 31P777-0133-E1
. . . . . . 26
Starter Assembly Briggs and Stratton Model
31P777-0133-E1
. . . . . . 27
Gasket Set Briggs and Stratton Model 31P777-
0133-E1
. . . . . . 28
Carburetor Overhaul Kit (Nikki) Briggs and
Stratton Model 31P777-0133-E1
. . . . . . 29Attachments and Accessories List