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 Tech Info: 1-406-259-9004    To Order Call 1-800-723-5937    Mon–Sat 10-6 MST 

This is an exploded view of the YS FZ53 Engine.

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Select your parts number on the table below:

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# Part # Description Qty

Price

  
1 YS2800 Crankcase  [ DISCONTINUED ] 1 40.95 No Replacement
2 YS2805 Cylinder Head with Liner  [ DISCONTINUED ]     No Replacement
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 Gasket 1 available in set, YS3080
13 YS2855 Valve Cover Screws 2 3.50
14 YS2860 Intake Pipe 1 12.25
15 YS2865 Intake O Rings 2 available in set, YS3085
16 YS2870 Crankshaft     Replace with YS63 shaft     DISCONTINUED
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 YS2900 Prop Washer       Use YS63 Prop Washer 1 3.50
23 YS2905 Prop Nut Set      Use YS63 Prop Nut 2 4.50
24 YS2910 Piston 1 30.50
25 YS2915 Piston Ring 1 14.50
26 YS2920 Wrist Pin 1 7.50
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 1 available in set, YSO3085
37 YS0665 Cam Cover Screws 2 1.50
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 4 available in set, YSO3085
43 YS2985 Rod 1 17.50
44 YS2990 Back Plate 1 29.95
45 YS2995 Disc Valve              In Assembly only 1   In Assembly
46 YS3000 Disc Valve Pin 1 5.75
47 YS0640 Disc Valve Set Screw (N/A) 1 N/A
48   Disc Valve E-Ring 1 not used in later engines - N/A
49 YS3000 Back Plate Gasket 1 available in set, YSO3080
50 YS3010 Back Plate Screws 2 3.50
51 YS3015 Carburetor Body 1 30.75
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 available in set, YSO3085
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 YS3040 Carburetor Gasket 1 available in set, YSO3080
65 YS3045 Carburetor Screws 4 4.50
66 YS3050 Regulator Body 1 29.25
67 YS0195 Regulator Adjusting Screws 1 3.25
68 YS0725 Regulator Screw O-Ring 1 available in set, YSO3085
69 YS3055 Diaphragm 1 4.50
70 YS1145 Plunger 1 3.10
71 YS3057 Regulator Spring 1 4.50
72 YS3060 Regulator Screws 2 3.50
73 YS3065 Muffler 1 20.95
74 YS3070 Header Pipe 1 5.95
75 YS3075 Header Lock Nut 2 4.50
  YS3080 Gasket Set 3 7.50
  YS3085 O-Ring Set 11 13.25
  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
  YS4005 Cylinder Head Assembly 1 104.95
   
   

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10/03/11

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