• 32102-87J20 Suzuki Flywheel | Genuine Used Part
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32102-87J20 Suzuki Flywheel | Genuine Used Part

32102-87J20 Suzuki Flywheel | Genuine Used Part

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🔧 Product Description

Genuine Suzuki / Johnson 85-Tooth Flywheel Magneto - Part Number: 32102-87J20

A genuine used Suzuki flywheel-magneto assembly for first-generation DF40 and DF50 four-stroke outboards and equivalent Johnson four-stroke engines.

The flywheel is a three-cylinder, 85-tooth assembly and directly cross-references Johnson / Evinrude part number 5036074. It is also commonly identified by Mitsubishi magneto code F4T765.

⚙️ Key Features

  • Genuine Suzuki flywheel-magneto assembly
  • 85-tooth starter ring gear
  • Suzuki reference 32102-87J20
  • Johnson / Evinrude equivalent 5036074
  • Suits 40HP and 50HP three-cylinder four-stroke outboards

🚤 Compatibility

Commonly used on

  • Suzuki DF40 and DF50 four-stroke outboards
  • Johnson 40HP and 50HP Suzuki-built four-stroke outboards
  • Three-cylinder magneto systems using F4T765

Typically suits

  • Engine models:
  • Suzuki DF40
  • Suzuki DF40T
  • Suzuki DF40QH
  • Suzuki DF50
  • Suzuki DF50T
  • Suzuki DF50TH
  • Johnson 40HP four-stroke - approximately 2005-2006
  • Johnson 50HP four-stroke - approximately 2005-2006
  • Engines originally fitted with Suzuki 32102-87J20 or BRP 5036074
  • HP Range: 40HP - 50HP
  • Engine Type: Inline three-cylinder, four-stroke EFI outboard
  • Year Range: Suzuki approximately 1999 - 2010; Johnson approximately 2005 - 2006

🔌 Function

The flywheel carries the starter ring gear and permanent magnets that pass the stator to generate charging and ignition-system power.

⚠️ Common Signs of Failure

  • Starter ring teeth are damaged
  • Magnets are loose or cracked
  • Battery does not charge correctly
  • Engine has an unstable timing signal
  • Flywheel contacts the stator
  • Crankshaft keyway is damaged
  • Excessive flywheel runout

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 32102-87J20 current Suzuki service flywheel for the applicable engine family
  • 5036074 corresponding Johnson / Evinrude reference

OEM / Related Numbers

  • Suzuki: 32102-87J20
  • Suzuki: 3210287J20
  • Suzuki: 32102-87J20-000
  • Johnson / Evinrude: 5036074
  • Mitsubishi: F4T765
  • Flywheel key and bolt from the 87J magneto assembly
  • Stator and charging coil from the matching DF40 / DF50 ignition system

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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