Engine Parts for the YS 63-FZ

This is an exploded view of the YS FZ63 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.
For sets, go to the chart below to order:

#	Part #	Description	Qty	Price
1	YS4365	Crankcase	1	48.50
2	YS4375	Cylinder Head with Liner	1	80.50
3	YS2810	Intake Valve	1	16.25
4	YS2815	Exhaust Valve	1	14.50
5	YS2820	Valve Spring Set	2	5.75
6	YS2825	Valve Spring Retainer Set	2	5.75
7	YS2040	Valve Spring Clips	4	5.75
8	YS2830	Cylinder Head Seal	1	4.50
10	YS2840	Head Bolt Set	4	4.50
11	YS2845	Valve Cover	1	10.25
12	YS2850	Valve Cover Gskt. (available in set, YSE3080)	1	ORDER YS3080 BELOW
13	YS2855	Valve Cover Screws	2	3.50
14	YS2860	Intake Pipe	1	12.25
15	YS2865	Intake O Rings (available in set, YSE3085)	2	ORDER YS3085 BELOW
16	YS4380	Crankshaft	1	59.50
17	YS2875	Rear Bearing	1	13.25
18	YS2880	Front Bearing	1	11.95
19	YS2885	Front Bearing Seal	1	8.75
20	YS2890	Drive Washer	1	13.25
21	YS2895	Drive Washer Retainer	1	4.50
22	YS2270	Prop Washer	1	3.50
23	YS0830	Prop Nut Set	2	7.75
24	YS4385	Piston	1	38.50
25	YS4390	Piston Ring	1	19.50
26	YS4395	Wrist Pin	1	8.50
27	YS2925	Wrist Pin Retainer	2	5.75
28	YS2930	Rocker Arm	2	24.95
29	YS0560	Valve Adjuster Set	2	6.25
30	YS0565	Adjuster Nut Set	2	3.10
31	YS2935	Rocker Arm Shaft	1	5.75
32	YS2940	Rocker Arm Shaft Screw	1	3.50
33	YS0580	E-Ring Clip Set	2	2.50
34	YS2945	Cam	1	41.95
35	YS2950	Cam Cover	1	5.75
36	YS2955	Cam Cover O-Ring (available in set, YSEO3085)	1	ORDER YS3085 BELOW
37	YS4400	Cam Cover Screws	2	3.50
38	YS2960	Cam Bearing Set	2	16.25
39	YS2965	Cam Follower Set	2	11.75
40	YS2970	Push Rod Set	2	5.75
41	YS2975	Push Rod Cover	2	7.50
42	YS2980	Push Rod Cover O-Ring (available in set, YSE3085)	4	ORDER YS3085 BELOW
43	YS2985	Rod	1	17.50
44	YS2990	Back Plate	1	29.95
45	YS2995	Disc Valve Available in Back Plate Assembly	1	See Back Plate Assembly
46	YS3000	Disc Valve Pin	1	5.75
47	YS0640	Disc Valve Set Screw (N/A)	1	ORDER DISC VALVE
48		Disc Valve E-Ring (not used in later engines)	1	ORDER DISC VALVE
49	YS3005	Back Plate Gasket (available in set, YSE3080)	1	ORDER YS3080
50	YS3010	Back Plate Screws	2	3.50
51	YS3015	Carburetor Body	1	36.75
52	YS3020	Throttle Barrel	1	20.50
53	YS3025	Throttle Barrel Seal	1	5.75
54	YS1090	Throttle Barrel Retainer	1	3.10
55	YS0200	Throttle Arm	1	5.50
56	YS0785	Throttle Stop	1	1.50
57	YS0790	Throttle Stop Spring	1	1.50
58	YS3030	Needle Valve	1	13.25
59	YS2695	Needle O-Ring	1	3.50
60	YS2700	Needle Socket	1	9.95
61	YS0775	Needle Valve Socket O-Ring	2	3.10
62	YS2710	Needle Detent	1	4.95
63	YS3035	Fuel Nipple	1	2.50
64	YS4010	Low Speed Needle	1	7.50
65	YS4015	Low Speed Needle O-Ring	1	2.50
66	YS3040	Carburetor Gasket (available in set, YSE3080)	1	ORDER YS3080 BELOW
67	YS3045	Carburetor Screws	4	4.50
68	YS3050	Regulator Body	1	29.25
69	YS0195	Regulator Adjusting Screw	1	3.25
70	YS0725	Regulator Screw O-Ring (available in set, YSE3085)	1	ORDER YS3085 BELOW
71	YS3055	Diaphram	1	4.50
2	YS1145	Plunger	1	3.10
73	YS0180	Regulator/Plunger Spring	1	1.50
74	YS3060	Regulator Screws	2	3.50
75	YS3065	Muffler	1	20.95
76	YS3070	Header Pipe	1	5.95
77	YS3075	Header Lock Nuts	2	4.50
	YS3085	O-Ring Set	12	13.25
	YS3080	Gasket Set	1	7.50
	YS3090	Needle Valve Assembly	1	27.95
	YS4000	Back Plate Assembly	1	47.95
	YS0405	Check Valve	1	7.75
	YS1195	Fuel Filter	1	4.75
	YS4370	Cylinder Head Assembly	1	119.50

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