65L-85832-00-00 Yamaha Z200 Oxygen Sensor Under Case | Genuine Used Part

🔧 Product Description

Genuine Yamaha Oxygen Sensor Under Case - Part Number: 65L-85832-00-00

A genuine Yamaha under case used in the oxygen sensor assembly area on selected Yamaha Z-series two-stroke outboards. This is the lower case component fitted around the oxygen sensor holder assembly, not the oxygen sensor itself, and is used with related Yamaha oxygen sensor, holder, gasket and seal components.

⚙️ Key Features

• Genuine Yamaha oxygen sensor under case

• Correct Yamaha part number 65L-85832-00-00

• Listed as CASE, UNDER in Yamaha electrical / oxygen sensor diagrams

• Used with oxygen sensor assembly components on Z200 applications

• Must be matched by exact Yamaha model code and electrical diagram

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 65L-85832-00-00 current Yamaha under case reference

OEM / Related Numbers:

• 65L-85832-00-00

• 65L858320000

• Case, under

• Oxygen sensor under case

• O2 sensor case

• Related oxygen sensor: 68F-8592A-00-00

• Related holder: 65L-11395-00-00

• Related gasket: 65L-11354-00-00

• Related holder gasket: 65L-1131N-00-00

• Related holder gasket: 65L-11396-00-00

Aftermarket / Verified Equivalents:

• No aftermarket equivalent

🚤 Compatibility

Commonly used on:

• Yamaha Z200 two-stroke oxygen sensor assemblies

• Yamaha electrical / oxygen-sensor housing layouts using 65L under-case hardware

• Z-series Yamaha outboards with the 68F oxygen sensor and 65L holder arrangement

Typically suits:

• Engine models:

• Yamaha Z200TLRY - 2000 model year

• Yamaha Z200 two-stroke - model-code controlled

• Yamaha Z-series 200HP oxygen sensor assembly using 65L-85832-00-00 under case

• HP Range: 200HP

• Engine Type: Yamaha Z-series two-stroke fuel-injected outboard with oxygen sensor assembly

• Year Range: model-code controlled, confirmed on 2000 Z200TLRY layout

• Serial Note: Confirm the Yamaha model code and oxygen sensor diagram before installation. This part must be matched with the correct oxygen sensor holder, gaskets and under-case assembly.

🔌 Function

The under case forms part of the oxygen sensor housing assembly, helping position and protect the sensor-holder area while maintaining the correct sealing and support layout. It works with the surrounding gaskets and holder parts to keep the oxygen sensor area properly mounted.

Common signs of failure:

• Cracked or heat-damaged case

• Broken mounting points

• Oxygen sensor holder does not seat correctly

• Exhaust or residue staining around the sensor housing

• Damaged sealing face

• Repeated gasket leakage around the oxygen sensor assembly

• Incorrect support for the oxygen sensor holder

📦 Condition

• Genuine used part

• Removed from running engine where applicable

• In good working condition unless otherwise stated