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This is an exploded view of the YS 140FZ Engine.

Find your part number on the picture and click on it.  The description and price should then appear at the top line of the window in your browser.  Or simply scroll down to the chart below to order.

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Part #

 Description Qty Price
01 YS2600 Crankcase 1

 142.95 

02 YS0505 Valve Cover 1

 14.75 

03 YS0510 Valve Cover Gasket 1 available in set YS02725
04 YS0515 Valve Cover Screws 2

 1.50 

05 YS2605 Head Gasket 1

 3.50 

06 YS2610 Cylinder Head 1

 80.25 

07 YS2160 Intake Valve 1

 21.50 

08 YS2165 Exhaust Valve 1

 26.00 

09 YS2170 Valve Spring Set 2

 7.25 

10 YS2175 Spring Retainer Set 2

 7.25 

11 YS2180 Spring Retainer Clip Set 4

 7.25 

12 YS0555 Rocker Arm Set 2

 30.95 

13 YS0560 Valve Adjuster Set 2

  6.25 

14 YS0565 Adjuster Nut Set 2

  3.10 

15 YS0570 Rocker Arm Shaft 1

 5.50 

16 YS0575 Rocker Arm Shaft Screw 1

 1.50 

17 YS0580 E-Ring Set 2

 2.50 

18 YS2615 Head Bolt Set 5

 4.95 

19 YS2620 Crankshaft 1

 72.25 

20 YS2625 Cylinder Liner 1

 46.50 

21 YS2630 Piston 1

 78.50 

22 YS0605 Wrist Pin 1

  8.50 

23 YS2635 Wrist Pin Retainer Set 2

 8.25 

24 YS2640 Piston Ring 1

 19.50 

25 YS2645 Connecting Rod 1

 32.00 

26 YS2650 Back Plate 1

 81.95 

27 YS2210 Disc Valve 1

    DISCONTINUED
28 YS2220 Rear Disc Valve Retainer 1

 DISCONTINUED
29 YS2225 Retainer Screw 1

 DISCONTINUED
30 YS0645 Back Plate Gasket 1

Included in Back Plate Assembly 

31 YS2655 Back Plate Screws 6

 4.95 

32 YS2230 Cam Gear Cover   1

 5.10 

33 YS0660 Cam Gear Cover O-Ring 1 available in set  YS2730
34 YS2235 Cam Gear Cover Screws 2

 3.00 

35 YS2660 Cam 1

 48.25 

36 YS0675 Cam Follower Set 2

 12.25 

37 YS2665 Push Rod Set 2

 14.50 

38 YS2670 Push Rod Cover Set 2

 11.25 

39 YS0690 Push Rod Cover O-Ring 4 available in set  YS2730 
40 YS0695 Front Bearing 1

 12.25 

41 YS2240 Front Bearing Oil Seal 1

  8.75 

42 YS0701 Rear Bearing 1

 18.75 

43 YS0705 Cam Gear Bearing 2

 12.95 

44 YS2675 Fuel Nipple Set 6

 8.25 

45 YS0715 Regulator Body 1

 33.95 

46 YS0195 Regulator Adjusting Screw 1

 3.25 

47 YS0725 Regulator Adjusting Screw O-Ring 1 available in set, YS2725
48 YS0730 Diaphram 1

 3.10 

49 YS0176 Plunger 1

 3.10 

50 YS0180 Plunger Spring 1

 1.50 

51 YS0745 Regulator Gasket 1 available in set, YS2725 
52 YS0750 Regulator Screws 2

 1.50 

53 YS2275 Regulator Ballast 1 discontinued by manufacturer 
54 YS2680 Carburetor Body 1

 40.25 

55 YS2685 Throttle Barrel 1

 32.00 

56 YS2050 Low Speed Adjusting Screw 1

 8.50 

57 YS2060 Low Speed Adj. Screw O-Ring 1 available in set, YS2730 
58 YS2690 High Speed Needle Valve 1

 12.95 

59 YS2695 High Speed Needle O-Ring 1

 3.50 

60 YS2700 High Speed Needle Seat 1

 9.95 

61 YS2705 Needle Valve O-Ring Set 2

 3.50 

62 YS2710 Needle Valve Detent 1

 4.95 

63 YS2255 Throttle Barrel Seal 1

 4.25 

64 YS1090 Throttle Barrel Retainer 1

 3.10 

65 YS0785 Throttle Stop 1

 1.50 

66 YS0790 Throttle Stop Spring 1

 1.50 

67 YS0200 Throttle Arm/Throttle Arm Screw