402400 to 402499
9489–17 Assemblies include all parts shown in frames. 65
17
883
9
20
3
842
524
7
358 GASKET SET
52
634
116
51
7A
978
12
569
537
121 CARBURETOR KIT
104
634A
861 PUMP REPAIR KIT
102
51
394
859
858
392
432
860
392
394
859858
432
860
118
127
REQUIRES SPECIAL TOOLS TO INSTALL.
105
SEE REPAIR INSTRUCTION MANUAL.
537
7
7A
9
52
868
1033 VALVE OVERHAUL KIT
3 K391086 Seal–Oil
7
zK271867 Gasket–Cyl. Head #1
7A
zK271868 Gasket–Cyl. Head #2
9
zK27803 Gasket–Breather
12 K272061 Gasket–Crankcase
(0.015” Thick)
K272127 Gasket–
Crankcase
(.005” Thick)
K272128 Gasket–
Crankcase
(.009” Thick)
20 K291675 Seal–Oil
51 KD271412 Gasket–Intake
52
zK270884 Gasket–Intake
102 D271607 Gasket–Carburetor
Body
104 D230896 Pin–Float Hinge
105 D394683 Valve–Needle
116 K280474 O-Ring
118 D491538 Valve–Idle Adjustment
121 491539 Carburetor Kit
127 D223472 Plug–Welch
358 495868 Gasket Set
392 DH261395 Spring–Diaphragm
394 DH272638 Diaphragm–Carburetor
432 DH221377 Cap–Spring
524 K68838 Seal–Fill Tube
537 KD271411 Gasket–Air Cleaner
569 K272062 Gasket–Base
634 K491287 Seal–Governor Shaft
634A D271013 Washer–Foam
842 K271170 Seal–Cap
858 DH270989 Diaphragm–
Carburetor
859 DH271025 Gasket–Pump
860 DH261358 Spring–Diaphragm
861 393397 Kit–Pump Repair
868
z393606 Seal–Valve
883 K272250 Gasket–Exhaust
883A K272293 Gasket–Exhaust
978 K272060 Gasket
1033 498047 Kit–Valve Overhaul
K Included in Gasket Set–Part No. 491856.
z Included in Valve Overhaul Kit–Part No. 498047.
D Included in Carburetor Kit–Part No. 491539.
H Included in Pump Repair Kit–Part No. 393397.
REF. PART REF. PART REF. PART
NO. NO. DESCRIPTION NO. NO. DESCRIPTION NO. NO. DESCRIPTION