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WARRANTY

Strict quality control is implemented by our factory in all phases, from parts manufactiring

to final assembly. If performavce deteriorates or a part fails within one year of purchase
due to a manufacturing error,YS will repair or replace the engine at no charge. Warranty
will not cover normal wear.

Should the engine be modified, incorrectly assembled or abused, there will be a normal

charge for parts and labor. The use of four cycle fuel due to low oil content will also void
warrany.

 

1

YS4890

Crankcase

1

2

YS0505

Valve Cover

1

3

YS0510

Valve Cover Gasket

1

4

YS0515

Valve Cover Screws

2

5

YS2605

Head Gasket

1

6

YS2610

Cylinder Head

1

7

YS2160

Intake Valve

1

8

YS2165

Exhaust Valve

1

9

YS2170

Spring Set

2

10

YS2175

Spring Retainer Set

2

11

YS2180

Spring Retainer Clip Set

4

12

YS0555

Rocker Arm Set

2

13

YS0560

Valve Adjuster Set

2

14

YS0565

Adjuster Nut Set

2

15

YS0570

Rocker Arm Shaft

1

16

YS0575

Shaft Set Screw

1

17

YS0580

E-Ring Clip Set

2

18

YS2615

Head Bolt Set

5

19

YS4900

Crankshaft

1

20

YS2625

Cylinder Liner

1

21

YS2630

Piston

1

22

YS0605

Wrist Pin

1

23

YS2635

Wrist Pin Retainer Set

2

24

YS2640

Piston Ring

1

25

YS2645

Connecting Rod

1

26

Back Plate

1

27

Disc Valve

1

28

Disc Valve Pin

1

29

Retainer screw

1

30

YS0645

Back Plate Gasket

1

31

YS2655

Back Plate Screw Set

6

32

YS0655

Cam Gear Cover

1

33

YS0660

Cam Cover O-Ring

1

34

YS2235

Cam Cover Screw Set

2

35

YS2660

Cam Gear

1

36

YS0675

Cam Followers

2

37

YS2665

Push Rod Set

2

38

YS2670

Push Rod Cover Set

2

39

YS0690

Push Rod Cover O-Ring set

4

40

YS1050

Front Bearing

1

41

YS2240

Front Bearing Oil Seal

1

42

YS0701

Rear Bearing

1

43

YS0705

Cam Bearing Set

2

44

YS0710

Fuel Nipple Set

6

45

YS0715

Regulator Body

1

46

YS0195

Regulator Adjusting Screw

1

47

YS0725

Regulator Adj Screw O-Ring

1

48

YS0730

Diaphragm

1

49

YS0176

Regulator Plunger

1

50

YS0180

Plunger Spring

1

51

YS0745

Regulator Gasket

1

52

YS0750

Regulator Screw Set

2

54

YS4210

Carburetor Body

1

55

YS4920

Throttle Barrel

1

56

YS2050

Low Speed Adjusting Screw

1

57

YS2060

Low Speed O-Ring

1

58

YS2690

High Speed Needle Valve

1

59

YS2695

High Speed Needle O-Ring

1

60

YS2700

High Speed Needle Seat

1

61

YS2705

Needle Seat O-Ring Set

2

62

YS2710

Needle Valve Detent

1

63

YS2255

Throttle Barrel Seal

1

64

YS1090

Throttle Barrel Retainer

1

65

YS0785

Throttle Stop Screw

1

66

YS0790

Throttle Stop Spring

1

67

YS0200

Throttle Arm

1

68

YS2260

Carburetor Gasket

1

69

YS2715

Drive Washer

1

70

YS2720

Drive Washer Retainer

1

FZ140 Sport Parts LIST

71

YS0835

Intake Pipe

1

72

YS0840

Intake Pipe O-Rings

4

73

YS1540

Wrist Pin Access Plug

1

74

YS2270

Propeller Washer

1

75

YS0830

Propeller Nut Set

2

YS2725

Gasket Set

YS2730

O-Ring Set

YS4915

Carburetor Assembly

YS2740

Needle Valve Assembly

YS4905

Back Plate Assembly

YS4925

Muffler set

YS4930

Muffler

YS4345

Exhaust pipe

YS4350

Lock Nuts

#

Part#

    Description

QTY

#

Part#

    Description

QTY

 

YS Parts and Service

1370 PORTER DRIVE MINDEN NEVADA 89423

Phone: 775-267-9252  Fax: 775-267-9690

Specifications may be changed without prior notice.

  2003/JAN/11

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