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6G8-85540-29 Yamaha CDI | Genuine Used Part

6G8-85540-29 Yamaha CDI | Genuine Used Part

$200.00 AUD
$200.00 AUD
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Low stock: 2 left

✓ Authorised Volvo Penta Dealer · Genuine used marine parts · Ships Australia-wide

🔧 Product Description

Genuine Yamaha CDI Unit Assembly - Part Number: 6G8-85540-29-00

A genuine Yamaha CDI unit used on selected Yamaha small four-stroke outboards.

⚙️ Key Features

  • Genuine OEM electrical component
  • Correct OEM part number family
  • Used on serial/model-specific marine applications
  • Requires exact model and serial confirmation
  • Includes full diagnostic relevance for electrical fault tracing

🚤 Compatibility

Commonly used on

  • Yamaha 9.9HP four-stroke CDI ignition systems

Typically suits

  • Engine models:
  • Yamaha 9.9HP four-stroke applications using 6G8-85540-29-00
  • Yamaha F9.9 4-stroke 1985-2005 applications where the CDI label matches
  • Yamaha T9.9 / FT9.9 related 6G8 ignition applications where specified
  • HP Range: 9.9HP
  • Engine Type: Yamaha small four-stroke outboard
  • Year Range: approximately 1985 - 2005 depending on model and market
  • Serial / Model Note: Match by exact model code, serial-numbered diagram, label and connector layout before installation.

🔌 Function

This component supports the engine electrical or ignition system according to its assigned control, charging, or signal-generation function.

⚠️ Common Signs of Failure

  • No spark or weak spark
  • Intermittent spark loss when hot
  • Hard starting or no-start condition
  • Misfire under load
  • Fault remains after stator, trigger, coil and harness checks
  • Water, heat or corrosion damage at connectors
  • Spark returns when a known-good module is fitted

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 6G8-85540-29-00 listed Yamaha CDI reference
  • 6G8-85540-20-00 related earlier CDI family reference
  • 6G8-85540-21-00 related earlier CDI family reference

OEM / Related Numbers

  • 6G8-85540-29-00
  • 6G8855402900
  • 6G8-85540-29
  • 6G88554029
  • Related Yamaha 9.9HP 4-stroke CDI family reference

Aftermarket / Verified Equivalents

  • No aftermarket equivalent

📦 Condition

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

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in the condition you received it for a refund or exchange. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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