3
9
6
7
8
9
10
5
1
27
26
28
24
2
25
29
32
31
30
28
4
35
19
20
21
33
23
11
17
16
18
41
42
13
34
39
36
38
37
40
12
14
15
22
WARRANTY
Strict quality control is implemented by our factory in all phases, from
parts manufacturing to final assembly.
If performance deteriorates or a part fails due to a manufacturing
error, YS engine will repair or replace the engine at no charge in the
period of one year from date of purchase.
Warranty does not cover normal maintenance.
Should the engine be modified, incorrectly assembled or abused, there
will be a normal charge for parts and labor.
#
PART#
DESCRIPTION
QTY
1
S5101
Crankcase
1
2
S5102
Cylinder Head
1
3
S5103
Head Gasket
1
4
S5104
Head Screws
6
5
S5105
Cylinder Liner
1
6
S5106
Piston
1
7
S5107
Piston Ring
1
8
S7108
Wrist Pin
1
9
R6108
Wrist Pin Retainer
2
10
S5110
Con Rod
1
11
S5111
Crankshaft
1
12
R6211
Front Bearing
1
13
S7113
Rear Bearing
1
14
R6115
Drive Washer Spacer
1
15
R6217
Propeller Nut
1
16
S5116
Back Plate
1
17
S5117
Back Plate Gasket
1
18
R6120
Back Plate Screw
4
19
S5119
Carburetor Body
1
20
S5120
Carburetor Gasket
1
21
S5121
Throttle Barrel
1
22 S5122
Seal Ring
1
23
R6124 Throttle Barrel Retainer 1
24
S4125
Hover Needle Valve
1
25
F1546
Hover Needle O Ring
1
26
F1555
Hover Needle Seat
1
27
F1556
Hover Needle Seat O Ring
2
28
S5128
Needle Detent
2
29
S8130
High Speed Needle
1
30
R6230
High Speed Needle O Ring
1
31
S5131
Low Speed Needle
1
32
R6203
Low Speed Needle O Ring
1
33
F1260S
Throttle Arm
1
34
S7132
Carburetor Screws
2
35
S5135
Carburetor Subplate
1
36
S7134
Regulator Subplate
1
37
S8138A
Regulator Assy.
1
38
S7136
Diaphram
1
39
S7140
Regulator gasket
1
40
S7139
Regulator Screws
2
41
S7143
Nipple
1
42
S7144
Check Valve
1
S5143 Gasket Set 3
S8146 O ring set 5
S5105S
Piston / Ring / Liner Set
1
S5119S
Carburetor Assy.
1
S4125S
Needle Valve Assy. 1
Specifications may be changed without prior notice.
2002 OCT
91ST Parts List
YAMADA MFG.CO.,LTD
67 Tsuchitori Inuyama Aichi 484-0917 JAPAN
TEL: 0568 67 0265 FAX: 0568 67 7801
