Toro 110-4997 Parts Catalogue
Form Number 3355-540 Rev B
Kawasaki Engine Conversion Kit
Suzuki-Powered Heavy-Duty
Lawn Mowers with BBC
Model No. 110-4997
Parts Catalog
Ordering Replacement Parts
To order replacement parts, please supply the part
number, the quantity, and the description of each part
desired.
Understanding Reference Numbers
Each Identified part in an illustration has a reference
number. The reference number for a part also
appears in the parts list, along with other information
about the part.
This catalog uses two special reference number
formats, one to indicate parts in a service assembly
and another to indicate the quantity of a given part in
an illustration.
Service Assembly Reference Numbers
Parts in service assemblies have reference numbers
in the form a:b. The a represents the reference
number of the entire service assembly and the b
represents a sequential number unique to each part
within the service assembly.
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Register your product at www.Toro.com
All Rights Reserved
For example, a wheel assembly might be identified
by reference number 6, the tire by 6:1, the valve by
6:2, and the wheel by 6:3. When you order the
assembly identified by reference number 6, you
receive all parts identified by reference numbers 6:1,
6:2, and 6:3. However, you may also order any part
individually. Reference numbers of this type appear
in illustrations and in part lists.
Reference Numbers Indicating Quantity
In an illustration, if a reference number indicates
more than one part, the reference number has the
form nX y. The n represents the quantity of the part,
the X is the multiplication symbol, and the y
represents the reference number.
For example, in an illustration, the reference number
2X 37 means that two of the parts identified by
reference number 37 are indicated.
Contents
Description Page
. . . . . . 3Engine Conversion Assembly
. . . . . . 4Cylinder and Crankcase Assembly
. . . . . . 5Piston and Crankshaft Assembly
. . . . . . 6Valve and Camshaft Assembly
. . . . . . 7Lubrication Equipment Assembly
Description Page
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
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
. . . . . . 8Cooling Equipment Assembly
. . . . . . 9Electrical Equipment Assembly
. . . . . . 10Control Equipment Assembly
. . . . . . 11Carburetor Assembly
. . . . . . 12Air Filter and Muffler Assembly
. . . . . . 13Starter Assembly
forming
0
3355-540 Rev B
Engine Conversion Assembly
Ref Part No. Qty. Description
Engine ASM1
106-0845
74-1770
114-3488
107-4058
1-603610
95-1727
110-0520
3212-4
106-0908-03
93-7198
93-7351
104-2628
71-9280
109-0296
109-0650
2412-98
3290-378
1
Cover-Belt2
1
Control-Throttle3
1
Spacer-Shaft, Ou tp u t4
1
Washer-Spring5
2
Screw-Taptite6
4
Decal7
1
Screw-HH8
1
Bracket-Tank9
1
Gas Cap ASM10
1
Discharge Door ASM11
1
Screw-HWH12
3
Filter-Fuel13
1
Hose-Fuel14
1
Hose-Fuel15
1
Clamp16
4
Tie-Cable17
4
3
3355-540 Rev B
2
Cylinder and Crankcase Assembly
Ref Part No. Qty. Description
Gasket-Head1
108-2627
108-2501
108-2502
108-2503
108-2504
108-2505
108-2506
108-2507
108-2508
108-2509
108-2510
108-2511
108-2512
100-2804
100-2610
108-2513
108-2514
100-2763
108-2515
1
Head-Cylinder2
1
Case-Rocker3
1
Gasket4
1
Gasket-Case, Rocker5
1
Gasket-Breather6
1
Cover7
1
Cover-Breather8
1
Valve-Breather9
1
Crankcase-Complete10
1
Pin11
2
Seal-Oil, Tc (28-44-9)12
2
Tube (12X16X49)13
1
Bolt-Flanged14
4
Bolt-Flanged (6X25)15
7
Bolt-Flange16
1
Bolt-Flange17
4
Screw-Pan18
5
Pin-Dowel (6X12)19
2
4
3
3355-540 Rev B
Piston and Crankshaft Assembly
Ref Part No. Qty. Description
Piston-Engine1
108-2516
108-2517
108-2518
108-2626
108-2520
108-2521
108-2522
1
Pin-Piston2
1
Ring-Set, Piston3
1
Crankshaft-Comp (BBC)4
1
Connecting Rod ASM5
1
Ring-Snap6
2
Bolt-Flanged (6X30)7
2
5
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