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UST
Water Pump

Model # WP255 Official UST pump

Here are the diagrams and repair parts for Official UST WP255 pump, as well as links to manuals and error code tables, if available.

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 185 parts  |
Knob 2 QJWB.14
#26

Water pump diagram

Knob 2

Part #QJWB.14

The manufacturer no longer makes this part, and there's no substitute part

Clamp QJWB.02.02.01-03
#17

Cylinder head diagram

Clamp

Part #QJWB.02.02.01-03

The manufacturer no longer makes this part, and there's no substitute part

O-ring QJWB.14.04-02
#16

Water pump diagram

O-ring

Part #QJWB.14.04-02

The manufacturer no longer makes this part, and there's no substitute part

Fuel Tank Cover QJWB.10.01-01
#1

Fuel tank diagram

Fuel tank cover

Part #QJWB.10.01-01

The manufacturer no longer makes this part, and there's no substitute part

Handle, Operation QJWB.06.02-01
#21

Centrifugal adjustment governor diagram

Handle, operation

Part #QJWB.06.02-01

The manufacturer no longer makes this part, and there's no substitute part

Flying Wheel QJWB.04.01-01
#4

Brance & flying wheel diagram

Flying wheel

Part #QJWB.04.01-01

The manufacturer no longer makes this part, and there's no substitute part

Adjusting Stud, Valve Clearance (2) QJWB.03-04
#2

Intake & exhaust valve assembly diagram

Adjusting stud, valve clearance (2)

Part #QJWB.03-04

The manufacturer no longer makes this part, and there's no substitute part

Circlip QJWB.08-06
#2

Recoil starter assembly diagram

Circlip

Part #QJWB.08-06

The manufacturer no longer makes this part, and there's no substitute part

Ring, First QJWB.05-02
#2

Piston & connecting rod diagram

Ring, first

Part #QJWB.05-02

The manufacturer no longer makes this part, and there's no substitute part

Clamp QJWB.04.01-05
#7

Brance & flying wheel diagram

Clamp

Part #QJWB.04.01-05

The manufacturer no longer makes this part, and there's no substitute part

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