91ST _ Parts List
NO. PART# DESCRIPTION QTY PRICE NOTE
1  S5101
Crankcase
1 7,900
2  S5102
Cylinder head
1 3,400
3  S5103
Head gasket
1 200
4  S5104
Head screws
6 200
5  S5105S
Piston & liner
  8,200
6  S5105
Cylinder liner
1 4,800
7  S5106
Piston side exhaust
1 2,700
8  S5107
Piston pin ring
1 1,300
9  S7108
Wrist pin
1 400
10  R6108
Wrist pin retainer
2 400
11  S5110
Connecting rod
1 1,400
12  S5111
Crank shaft
1 3,600
13  R6211
Front bearing
1 900
14  S7113
Rear bearing
1 1,200
15  R6115
Drive washer spacer
1 200
16  R6217
Prop nut
1 150
17  S5116
Back plate
1 600
18  S5117
Back plate gasket
1 200
19  R6120
Back plate screws
4 200
20  S5119S
Carburetor assembly
8,300
21  S5119
Carburetor body
1 3,400
22  S5120
Carburetor gasket
1 200
23  S5121
Throttle barrel
1 1,400
24  S5122
Seal ring
1 200
25  R6124
Throttle barrel retainer
1 200 with screw
26  S4125S
Needle valve assembly
1,800
27  S4125
Hover needle valve
1 800
28  F1546
Needle valve O-ring
1 100
29  F1555
Needle valve seat
1 600
30  F1556
Needle valve seat O-ring set
2 200
31  S5128
Needle valve detent spring
2 500
32  S8130
High speed needle valve
1 735
33  F1546
High speed needle valve O-ring
1 100
34 S9122
High speed needle seat
1 600
35 F1556
High speed needle seat 0-ring
1 200
36  S5131
Low speed needle valve
1 800
37  S8133
Low speed needle valve O-ring
1 200
38  F1260S
Throttle arm set
1 350 with screw
39  S7132
Carburetor screws
2 200
40  S5135
Carburetor subplate
1 1,300
41  S7134
Regulator subplate
1 600
42  S8138A
Regulator assembly
3,000
43  S7136
Diaphram
1 400
44  S7140
Regulator gasket
1 200
45  S7139
Regulator screws
  200
46  S7143
Nipple
1 300
47  S7144
Check valve
1 700
48  F1265
Shaftkey
1 200
49  S5143
Gasket set
3 600
50  S8146
O-ring set
7 600