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6H3-14711-11-CA Yamaha Muffler | Genuine Used Part

6H3-14711-11-CA Yamaha Muffler | Genuine Used Part

$150.00 AUD
$150.00 AUD
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🔧 Product Description

Genuine Yamaha 60HP / 70HP Long-Shaft Exhaust Muffler - Part Number: 6H3-14711-11-CA

A genuine Yamaha internal exhaust muffler for selected 60HP and 70HP two-stroke outboards with a long-shaft midsection.

The muffler fits inside the upper casing and directs exhaust gases downward through the midsection while reducing exhaust noise and separating the hot exhaust stream from surrounding components.

Part number 6H3-14711-11-CA is the later long-shaft service reference following earlier 6H3-14711-01-CA.

⚙️ Key Features

  • Genuine Yamaha OEM exhaust muffler
  • Correct part number 6H3-14711-11-CA
  • Long-shaft 20.5-inch configuration
  • Used on selected Yamaha 60HP and 70HP two-stroke outboards
  • Fits inside the 6H3-series upper casing

🚤 Compatibility

Commonly used on

  • Yamaha 6H3-series 60HP and 70HP upper-casing assemblies
  • Long-shaft two-stroke midsections

Typically suits

  • Engine models:
  • Yamaha 60FETO
  • Yamaha 60FETOL
  • Yamaha 60TLR
  • Yamaha 70BET
  • Yamaha 70BETO
  • Yamaha 70TLR
  • Yamaha E60H long-shaft configurations
  • Yamaha 60HP and 70HP model families using the 6H3 long 20.5-inch casing
  • HP Range: 60HP - 70HP
  • Engine Type: Yamaha inline three-cylinder carburetted two-stroke outboard
  • Shaft Length: Long / approximately 20.5 inches
  • Year Range: Approximately 1994 - 2017

🔌 Function

The muffler routes exhaust gases through the midsection while reducing exhaust noise and shielding surrounding midsection components from the direct exhaust stream.

⚠️ Common Signs of Failure

  • Muffler corroded or perforated
  • Exhaust noise becomes noticeably louder
  • Exhaust gases leak into the upper casing
  • Mounting points crack or break
  • Internal restriction affects engine performance

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 6H3-14711-11-CA later long-shaft muffler reference
  • 6H3-14711-01-CA earlier long-shaft muffler reference

OEM / Related Numbers

  • 6H3-14711-11-CA
  • 6H31471111CA
  • 6H3-14711-01-CA
  • 6H31471101CA
  • 6H3-45111-13-8D related long upper casing
  • Related muffler seals, exhaust guide and mounting hardware

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

  • Genuine used part
  • Removed from running engine where applicable
  • In good working condition unless otherwise stated
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