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Boating

Model # QS320 Official Motorguide boat motor

Here are the diagrams and repair parts for Official Motorguide QS320 boat motor, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS

Showing 10 of 78 parts |

Screw TT133-03

Unit parts diagram

Screw

Part #TT133-03

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

1/4 E Ring AKO46-02

Motor mount diagram

1/4 e ring

Part #AKO46-02

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

Actuator TT001-04

Unit parts diagram

Actuator

Part #TT001-04

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

Screw MR228-01

Dura amp motor diagram

Screw

Part #MR228-01

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

Seal MR222-01

Dura amp motor diagram

Seal

Part #MR222-01

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

Knob CK082-04

Motor mount diagram

Knob

Part #CK082-04

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

Boot TT177-02

Unit parts diagram

Boot

Part #TT177-02

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

Thru Bolt MR218-01

Dura amp motor diagram

Thru bolt

Part #MR218-01

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

Shaft Seal MR223-01

Dura amp motor diagram

Shaft seal

Part #MR223-01

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

Housing Assembly KF3210-01ASWAW

Dura amp motor diagram

Housing assembly

Part #KF3210-01ASWAW

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

Symptoms for gas pressure washers

Choose a symptom to see related pressure washer repairs.

Why won't my pressure washer mix in the detergent?

Main causes: using a high-pressure spray tip when applying detergent, clogged siphon tube, chemical injection system fai…

Why is smoke coming from the pressure washer's exhaust?

Main causes: overfilling engine with oil, improper fuel/air mixture, choke system problems, dirty carburetor, engine nee…

Why won't the pressure washer starter rope retract?

Main causes: broken recoil spring, damaged recoil starter…

Why does my pressure washer's engine lose power?

Main causes: dirty air filter, stale fuel, clogged or dirty carburetor, bad unloader valve…

Why is the spray from my pressure washer weak?

Main causes: insufficient water supply, clogged water inlet screen, clogged pressure hose, faulty pump check valves, stu…

Why doesn't my pressure washer recoil starter work?

Main causes: damaged recoil starter, oil inside cylinder, locked up engine piston…

Why does my pressure washer spray too hard?

Main causes: faulty unloader valve, bad pressure regulator…

Why won't my pressure washer engine start?

Main causes: stale fuel, gummed up carburetor, engine needs tune up, throttle and choke controls need adjustment, bad re…

Why does water spray out of my pressure washer's pressure relief valve?

Main causes: pump running for more than 5 minutes when the spray wand isn't being used, faulty pressure relief valve, ba…

Repair guides for gas pressure washers

These step-by-step repair guides will help you safely fix what’s broken on your pressure washer.

How to install a pressure washer check valve kit

How to install a pressure washer check valve kit

Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

Repair difficulty

Time required

120 minutes or less

How to install a pressure washer O-ring kit

How to install a pressure washer O-ring kit

O-rings seal fittings on the pressure washer pump. Damaged seals allow water to leak from the pump. Follow these steps t…

Repair difficulty

Time required

45 minutes or less

How to install a pressure washer chemical injection kit

How to install a pressure washer chemical injection kit

The chemical injection valve draws detergent into the pump. If it’s not drawing detergent, use a repair kit to replace t…

Repair difficulty

Time required

15 minutes or less

Articles and videos for gas pressure washers

Use the advice and tips in these articles and videos to get the most out of your pressure washer.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Choosing the correct spray tip for a pressure washer

Choosing the correct spray tip for a pressure washer

Spray tips vary in pressure and angle of spray. This guide matches the spray tip to the cleaning job.…

Solving pressure washer problems

Solving pressure washer problems

Learn how to solve simple pressure washer problems.…

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