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Hex & Ball-Hex Drivers

Tech Info call 1-406-259-9004  +  To Order Call 1-800-723-5937  +  Monday thru Saturday 10-6 MST
This is an exploded view of the YS140DZ Engine
Find your part number and click on it.  The description and price
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Or go to the table below to order:
 

 

Refer to the above diagram when choosing your part number
# Part # Description QTY

Price

 
1 YSE4490 Crankcase 1  152.95
 
2 YSE4495 Valve Cover 1 17.95
 
3 YSE0510 Valve Cover Gasket

Available in Gasket Set Only

4 YSE0515 Valve Cover Screws 2 1.50
 
5 YSE2605 Head Gasket 1 3.50
 
*** YSE4500 Head Assembly   139.95
 
6 YSE4505 Cylinder Head 1 84.95
 
7 YSE2160 Intake Valve 1 21.50
 
8 YSE2165 Exhaust Valve 1 26.00
 
9 YSE2170 Valve Spring Set 2 7.25
 
10 YSE2175 Spring Retainer Set 2 7.25
 
11 YSE2180 Valve Spring Retainer Clips 4 7.25
 
12 YSE0555 Rocker Arm Set 2 30.95
 
13 YSE4510 Intake tappet adjusting screw 1 3.10
 
14 YSE4515 Exhaust tappet Adjusting screw 1 4.95
 
15 YSE0565 Tappet adjusting lock nuts 2 3.10
 
16 YSE0570 Rocker Arm Shaft 1 5.50
 
17 YSE0575 Rocker Arm Shaft Set Screw 1 1.50
 
18 YSE0580 E-Ring Clip Set 2 2.50
 
19 YSE2615 Head Bolt Set 5 4.95
 
20 YSE4520 Crankshaft   1 79.95
 
21 YSE2190 Crankshaft ring 1 25.95
 
22 YSE2625 Cylinder Liner 1 46.50
 
23 YSE4525 Piston 1 78.50
 
24 YSE0605 Wrist Pin 1 8.50
 
25 YSE2635 Wrist Pin Retainer Set 2 8.25
 
26 YSE2640 Piston Ring 1 19.50
 
27 YSE4530 Connecting Rod 1 34.95
 
*** YSE4535 Back Plate Assembly   81.95
 
28 YSE4540 Back Plate 1 49.95
 
29 YSE4545 Disc Valve      (in Back Plate Assembly above) 1    
30 YSE4725 Disc Valve Pin 1 9.95
 
31 YSE0640 Retainer Screw 1   Call for Info
32 YSE0645 Back Plate Gasket

Available in Gasket Set Only

33 YSE4550 Carburetor Insulator 1 24.95
 
34 YSE4705 Insulator Gasket 1 3.10
 
35 YSE4560 Back Plate Screw Set 6 5.95
 
36 YSE0655 Cam Gear Cover 1 5.50
 
37 YSE0660 Cam Gear Cover O-Ring

Available in O-Ring Set Only

38 YSE0665 Cam Gear Cover Screw Set 2 1.50
 
39 YSE4565 Cam 1 48.95
 
40 YSE4730 Cam Followers 1 14.95
 
41 YSE4580 Exhaust Push Rod 1 7.95
 
42 YSE4585 Push Rod Cover 1 7.95
 
43 YSE0690 Push Rod Cover O-Ring

Available in O-Ring Set Only

44 YSE0695 Front Bearing 1 12.25
 
45 YSE1730 Front Bearing Oil Seal 1 8.50
 
46 YSE0701 Rear Bearing 1 18.75
 
47 YSE0705 Cam Gear Bearing Set 2 12.95
 
  YSE4595 Pump Assembly   129.95
 
48 YSE4600 Regulator Body 1 32.95
 
49 YSE0195 Regulator Adjusting Screw 1 3.25
 
50 YSE0725 Regulator Adj. Screw O-Ring

Available in O-Ring Set Only

51 YSE4605 Diaphragm 1 5.75
 
52 YSE4610 Regulator Spring 1 3.10
 
53 YSE4615 Regulator Screw Set 2 3.10
 
54 YSE4620 Fuel Pump Body 1 32.95
 
55 YSE4625 Pump Valve 2 4.95
 
56 YSE4630 Pump Valve Spring 2 3.10
 
57 YSE4635 Pump Plate 1 32.95
 
58 YSE4640 Pump Screws 2 3.10
 
59 YSE4645 Pump Gasket 1 3.10
 
60 YSE4650 Plunger 1 7.95
 
61 YSE4655 Pump Insulator 1 5.75
 
62 YSE4660 Insulator O-Ring 1 3.10
 
63 YSE4665 Pump Bracket 1 5.75
 
64 YSE4735 Upper Push Rod 1 5.95
 
65 YSE4740 Lower Push Rod 1 5.95
 
  YSE4745 Carburetor Assembly   139.95
 
66 YSE4750 Carb. Body w/Throttle Barrel 1 81.95
 
  YSE2740 Needle Valve Assembly 1 28.95
 
68 YSE2690 High Speed Needle Valve 1 12.95
 
69 YSE2695 Needle O-Ring 1 3.50
 
70 YSE2700 High Speed Needle Seat 1 9.95
 
71 YSE2705 Needle Valve Socket O-Ring Set 3 3.50
 
72 YSE2710 Needle Valve Detent 1 4.95
 
73 YSE4755 Thr