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Illustrations cover a range of engines. Parts shown without corresponding text may not be used on your specific engine.
5640−8 Assemblies include all parts shown in frames. 06/06/2008
8
1 699510 Cylinder Assembly
2 399269 Kit−Bushing/Seal
(Magneto Side)
3 K299819S Seal−Oil
(Magneto Side)
5 699486 Head−Cylinder
7 K∅698210 Gasket−Cylinder Head
11 692600 Tube−Breather
(Flat Panel Air
Cleaner)
11A 693647 Tube−Breather
(High Mount Air
Cleaner)
11B 790632 Tube−Breather
(Ultra Low Air Cleaner)
12 K699485 Gasket−Crankcase
13 699482 Screw
(Cylinder Head)
15 691686 Plug−Oil Drain
(Square Head)
15A 691682 Plug−Oil Drain
(Flush)
15C 792750 Plug−Oil Drain
16 699445 Crankshaft
−−−−−−− Note −−−−−
699443 Crankshaft
Used on Type No(s).
0036, 0131, 0149,
0159, 0166, 0388.
699447 Crankshaft
Used on Type No(s).
0132, 0135, 0137,
0138, 0145.
699452 Crankshaft
Used on Type No(s).
0158, 0321, 0414.
699449 Crankshaft
Used on Type No(s).
0242, 0299, 0327.
699451 Crankshaft
Used on Type No(s).
0150, 0337.
792883 Crankshaft
(Used After Code Date
06051600).
Used on Type No(s).
0147, 0161.
699444 Crankshaft
(Used Before Code
Date 06051700).
Used on Type No(s).
0147.
17 692517 Bearing
−Ball
17B 99158 Bearing−Ball
18 699804 Cover−Crankcase
−−−−−−− Note −−−−−
699696 Cover−
Crankcase
Used on Type No(s).
0213, 0299, 0300,
0335, 0432, 0433,
0769, 0781, 3781.
699804 Cover−
Crankcase
(Used After Code Date
07070200).
Used on Type No(s).
0137.
18A 699672 Cover−Crankcase
Used on Type No(s).
0036, 0131, 0149,
0159, 0166, 0388.
18B 699761 Cover−Crankcase
(Used Before Code
Date 07070300).
Used on Type No(s).
0137.
20 K692550 Seal−Oil
(PTO Side)
20A K694171 Seal−Oil
(PTO Side)
Used on Type No(s).
0135, 0137.
21 281658S Cap−Oil Fill
22 699478 Screw
(Crankcase Cover/
Sump)
23 699488 Flywheel
−−−−−−− Note −−−−−
699514 Flywheel
Used on Type No(s).
0121.
24 222698S Key−Flywheel
25 791968 Piston Assembly
(Standard)
−−−−−−− Note −−−−−
791326 Piston
Assembly
(.020” Oversize)
26 791969 Ring Set
(Standard)
(Used After Code Date
05060600).
−−−−−−− Note −−−−−
499631 Ring Set
(Standard)
(Used Before Code
Date 05060700).
791324 Ring Set
(.020” Oversize)
(Used After Code Date
05060600).
692786 Ring Set
(.020” Oversize)
(Used Before Code
Date 05060700).
27 691866 Lock−Piston Pin
28 499423 Pin−Piston
29 690124 Rod−Connecting
30 791584 Dipper−Connecting
Rod
32 691664 Screw
(Connecting Rod)
32A 695759 Screw
(Connecting Rod)
33 499642 Valve−Exhaust
34 499641 Valve−Intake
35 691304 Spring−Valve
(Intake)
36 691304 Spring−Valve
(Exhaust)
37 699661 Guard−Flywheel
40 692194 Retainer−Valve
45 690977 Tappet−Valve
46 693404 Camshaft
51KD
z∅692555 Gasket−Intake
K Included in Engine Gasket Set−Ref. No.358.
D Included in Carburetor Overhaul Kit−Ref. No. 121.
z Included in Carburetor Gasket Set−Ref. No. 977.
∅ Included in Valve Gasket Set−Ref. No 1095.
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION