21
788876 Pump Parts List
788876 Pump Kits
Ref#
Part#
Description
Qty
Kit #
1
788877 Cylinder head
2
N/A
2
N/A
Allen bolt set
8
N/A
3
N/A
In.& Ex. valve assembly
2
N/A
4
N/A
Double head screw set
8
N/A
5
N/A
Cylinder
2
N/A
6
N/A
Cylinder gasket
2
Kit # 1 & Kit # 2
7
N/A
Piston ring set
2
Kit # 1
8
N/A
Piston set
2
N/A
9
N/A
Rod set
2
N/A
10
N/A
Crankcase
1
N/A
11
788879 Oil draining plug
1
N/A
12
788880 Oil sight gauge set
1
N/A
13
788881 Oil filling plug set
1
N/A
14
N/A
Bearing
1
N/A
15
N/A
Crankshaft & balancer
1
N/A
16
N/A
Bearing
1
N/A
17
N/A
Rear bearing seat gasket
1
Kit # 2
18
N/A
Oil seal
1
N/A
19
N/A
Rear bearing seat
1
N/A
20
788882 Breathing cover
1
N/A
21
N/A
Hexagon bolt
4
N/A
22
N/A
Pulley
1
N/A
23
N/A
Plate washer
1
N/A
24
N/A
Hexagon bolt set
1
N/A
25
N/A
Exhaust elbow
1
N/A
26
N/A
Exhaust three way pipe
1
N/A
27
N/A
Exhaust tube set
1
N/A
28
788883 Air filter set
2
N/A
29
N/A
Filter element
2
N/A
30
N/A
Cylinder gasket
2
Kit # 2 & Kit # 3
31
N/A
In. & Ex. Valve seat
2
Kit # 3
32
N/A
Valve seat gasket
2
Kit # 2 & Kit # 3
*
789523 Wing nut, air filter
2
N/A
Kit # 1 – Piston Ring Kit– Part # 788885
Ref#
Description
Qty
Kit Qty
6
Cylinder gasket
2
1
7
Piston ring set
2
Kit # 2 – Gasket Kit– Part # 788884
Ref# Description
Qty
Kit Qty
6
Cylinder gasket
2
1
17
Rear bearing seat
gasket
1
30
Cylinder gasket
2
32
Valve seat gasket
2
Kit # 3 – Valve Kit– Part # 788878
Ref#
Description
Qty
Kit Qty
30
Cylinder gasket
2
1
31
In. & Ex. Valve seat
2
32
Valve seat gasket
2
Summary of Contents for 25653
Page 3: ...3 Appendix A Lubricants and Compatibility 22 Alternate Lubricants 22 Limited Warranty 23 ...
Page 16: ...16 Parts Explosions Model 25653 Rev A Pump not shown on this parts explosion ...
Page 18: ...18 Parts Explosions Model 25654 Rev A Pump not shown on this parts explosion ...
Page 20: ...20 788876 Pump Explosion Wing nut for 28 not shown ...
Page 24: ...24 Assembled by Northern Tool Equipment Company Inc Burnsville MN 55306 NorthernTool com ...