YS 120-SC Parts List -- Exploded View

This is an exploded view of the YS 1.20SC Engine
Please find your part number and click on it. The description and price
will appear in the top line of the table in your browser window.
Or go to the table below to order:

#	Part #	Description	QTY	Price
1	YS2152	YS 120-SC Crankcase	1	128.50
2	YS0505	Valve Cover	1	14.75
3	YS0510	Valve Cover Gasket (comes in set, YSO2280)	1
4	YS0515	Valve Cover Screws	2	1.50
5	YS0520	Head Shims	1	2.50
6	YS2155	Cylinder Head	1	79.25
7	YS2160	Intake Valve	1	21.50
8	YS2165	Exhaust Valve	1	26.00
9	YS2170	Valve Spring Set	2	7.25
10	YS2175	Spring Retainer Set	2	7.25
11	YS2180	Valve Spring Retainer Clip	4	7.25
12	YS0555	Rocker Arm Set	2	30.95
13	YS0560	Tappet Adjust Screw Set	2	6.25
14	YS0565	Tappet Lock Nut	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	YS0585	Head Screws	5	4.75
19	YS2185	Crankshaft	1	73.75
20	YS2190	Crankshaft Ring	1	25.95
21	YS0595	Cylinder Liner	1	43.25
22	YS2195	Piston	1	43.25
23	YS0605	Wrist pin	1	8.50
24	YS0610	Wrist pin retainer	2	3.10
25	YS0615	Piston Ring	1	18.50
26	YS2200	Connecting Rod	1	25.95
27	YS2205	Back plate	1	43.25
28	YS2210	Disk Valve	1	Included in Back Plate Assembly
29	YS2215	Front Disk Valve Retainer	1	Included in Back Plate Assembly
30	YS2220	Rear Disk Valve Retainer	1	Included in Back Plate Assembly
31	YS2225	Retainer Screw	1	Included in Back Plate Assembly
32	YS0645	Back Plate Gasket	1	in Gasket set #YSO2280
33	YS0650	Back Plate Screws	6	4.75
34	YS2230	Cam Gear Cover	1	5.10
35	YS0660	Cam Gear Cover O-ring (comes in set, YSO2285)	1
36	YS2235	Cam Gear Cover Screw Set	2	4.25
37	YS0670	Cam Gear	1	46.25
38	YS0675	Cam followers	2	12.25
39	YS0680	Push Rods	2	13.95
40	YS0685	Push rod covers	2	7.75
41	YS0690	Push rod cover O-ring (comes in set, YSO2285)	4
42	YS0695	Front Bearing	1	12.25
43	YS2240	Front Bearing Oil Seal	1	8.75
44	YS0701	Rear Bearing	1	18.75
45	YS0705	Cam Gear Bearings	2	12.95
46	YS0710	Fuel Nipples	4	9.25
47	YS0715	Regulator Body	1	33.95
48	YS0195	Regulator Adjusting Screw	1	3.25
49	YS0725	Regulator Screw O-ring (comes in set, YSO2285)	4
50	YS0730	Diaphragm	1	3.10
51	YS0176	Plunger	1	3.10
52	YS0180	Plunger Spring	1	1.50
53	YS0745	Regulator Gasket (comes in set,YSO2280)	1
54	YS0750	Regulator Screw	2	1.50
55	YS2245	Carburetor Body	1	36.00
56	YS2250	Throttle Barrel	1	25.95
57	YS2050	Low Speed Adjusting Screw	1	8.50
58	YS2060	Low Speed Adj. Screw O-Ring	4	see set# YSO2285
59	YS0765	Needle Valve Discontinued	1	See Needle Valve Assembly Below
60	YS0770	Needle Valve Socket Discontinued	1	See Needle Valve Assembly Below
61	YS0775	Needle Socket O-ring	3	3.10
62	YS0385	Needle Valve Detent Discontinued	1	See Needle Valve Assembly Below
63	YS2255	Throttle Barrel Seal	1	4.25
64	YS1090	Throttle Barrel Retainer	2	3.10
65	YS0785	Throttle Stop	1	1.50
66	YS0790	Throttle Stop Spring	1	1.50
67	YS0200	Throttle Arm/Throttle Arm Screw	1	5.50
68	YS2260	Carburetor gasket	1	available in set,YSO2280
69	YS2265	Drive Washer	1	17.25
70	YS0820	Key Way	1	3.10
71	YS1220	Drive Washer Spacer	1	3.10
72	YS0835	Intake Pipe	1	12.25
73	YS0840	Intake Pipe O-Ring	4	comes in set, YSO2285
74	YS1540	Wrist Pin Access Plug	1	4.75
75	YS0830	Propeller Nut Set	2	7.75
76	YS2270	Propeller Washer	1	2.25
77	YS2275	Regulator Ballast (discontinued by manufacturer)	1
	YS2280	Gasket Set	1	10.00
	YS2285	O-Ring Set	1	17.25
	YS2290	Carburetor Assembly	1	116.95
	YS0875	See Needle Valve Assembly Below	1
	YS0405	Check Valve	1	7.75
	YS2295	Back Plate Assembly	1	73.50
59	YSE2740	Needle Valve Assembly	1	28.95