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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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Showing 10 of 185 parts  |
Handle QJWB.08-09
#12

Recoil starter assembly diagram

Handle

Part #QJWB.08-09

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

Cover 1 QJWB.14.02-02
#23

Water pump diagram

Cover 1

Part #QJWB.14.02-02

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

Spring 2, Tension QJWB.06.01-09
#3

Centrifugal adjustment governor diagram

Spring 2, tension

Part #QJWB.06.01-09

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

Press Spring, Adjust QJWB.06.02-02
#24

Centrifugal adjustment governor diagram

Press spring, adjust

Part #QJWB.06.02-02

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

Cam, Decompress QJWB.03.01-04
#16

Intake & exhaust valve assembly diagram

Cam, decompress

Part #QJWB.03.01-04

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

Spacer, Nylon QJWB.06.02-05
#19

Centrifugal adjustment governor diagram

Spacer, nylon

Part #QJWB.06.02-05

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

Washer 1, Stopper QJWB.14.01-03
#4

Water pump diagram

Washer 1, stopper

Part #QJWB.14.01-03

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

Cowling QJWB.13.01-02
#3

Muffler diagram

Cowling

Part #QJWB.13.01-02

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

Gear, Crankshaft Timing QJWB.04-07
#13

Brance & flying wheel diagram

Gear, crankshaft timing

Part #QJWB.04-07

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

Spacer QJWB.02-05
#12

Cylinder head diagram

Spacer

Part #QJWB.02-05

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

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