Suzuki 80HP 4-Stroke Outboard Marine Engine Parts

(27 products)

This page is dedicated to Suzuki 4‑Stroke 80 HP outboard engines. Use it to find compatible parts and key service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Suzuki collection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter & Sort controls to narrow results by horsepower, year range, and part category.

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How to Identify Your 80 HP Model

Locate the model/serial tag on the top outside edge of the clamp bracket or on the swivel bracket. On some boats, an inner transom plate tag may also be present.
Model code and suffix often indicate features such as shaft length, control type, and revision (e.g., an “A” suffix typically denotes an updated platform). If your engine is newer than about 2011, the serial number is commonly used to confirm parts.
Verify that you have a 4‑stroke platform (EFI, oil filter on the powerhead) rather than a 2‑stroke. This affects ignition, fuel, and service parts.
Record the full model code and serial number before ordering; it ensures correct fit across close relatives in the 70–90 HP family.

Engine Platform Overview

Inline‑4 EFI 4‑Stroke (DF80 / DF80A family)

Feature	Description
Configuration	Inline‑4, EFI 4‑stroke outboard, 80 HP class.
Common Models	Examples include DF80 and DF80A. Production commonly spans the late 2000s to early 2010s and later; always verify by model/serial.
Advantages	Good fuel economy, smooth operation, and strong mid‑range torque for general boating and light fishing duty.
Notes	Many service parts are shared across the 70–90 HP family. Confirm with the exact model suffix and serial to avoid mismatches.

Routine Maintenance & Service Parts

Intervals below are typical guidelines for 4‑stroke outboards. Always follow the official service manual for your exact model and duty cycle.

Item	Interval*	Remarks	Parts Link
Engine oil + filter	First 20 hours, then every 100 hours or annually	Use marine 4‑stroke oil of the correct viscosity; replace crush washer if applicable.	Suzuki Service & Maintenance Kits
Gear oil (lower unit)	Every 100 hours or annually	Inspect for water intrusion (milky oil) and metal debris; replace seals if contaminated.	Lower Unit Seal Kits
Spark plugs	Inspect every 100 hours; replace 200–300 hours or as needed	Gap to spec; replace sooner if fouled or worn.	Suzuki Spark plug
Fuel filter / water separator	Inspect every 50 hours; replace 100–200 hours	Check for water or debris; drain or replace element as needed.	Suzuki Fuel filters
Water pump impeller / kit	Every 200 hours or 1–2 seasons (annually in sandy/silty water)	A weak tell‑tale or overheat alarm often points to an aged impeller.	Suzuki Water Pump Repair Kits
Anodes (zincs)	Inspect every 50 hours; replace when 50% consumed	Choose alloy for your water type (salt, brackish, fresh).	Suzuki Anodes

Frequently Used Parts Categories

Routine Service: Suzuki Service & Maintenance Kits
Cooling System: Suzuki Water Pump Repair Kits
Fuel System: Suzuki Fuel filters
Ignition / Electrical: Electrical Items
Corrosion Protection: Suzuki Anodes
Propulsion: Suzuki Propellers
Lower Unit Seals: Suzuki Lower Unit Seal Kits

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale stream or overheat alarm	Inspect intake screens for debris; verify water pump output; check thermostat operation.	Water pump kit, thermostat, intake screen
Poor acceleration or power loss	Confirm clean fuel and filters; inspect prop for damage or excessive pitch; check spark plug condition.	Fuel filter, spark plugs, propeller
Hard starting or rough idle	Check battery voltage and connections; inspect plugs; look for air leaks in fuel lines; consider injector/idle air cleaning.	Spark plugs, fuel filter, injectors, starter circuit
Gearcase noise or metal in gear oil	Check oil level/condition; inspect for fishing line on prop shaft; pressure test and reseal if needed.	Gear oil, lower unit seal kit, bearings, propeller

FAQs

Are parts interchangeable across different years or related 70–90 HP platforms?

Some components are shared across the DF70/DF80/DF90 family, but ignition, fuel, and rigging parts can vary by model suffix and serial range. Always confirm with the exact model code and serial number.

When should I replace the water pump impeller?

As a rule of thumb, every 200 hours or every 1–2 seasons. In sandy or silty water, replace annually and inspect mid‑season if the tell‑tale weakens.

How often should I change the lower unit gear oil?

Typically every 100 hours or annually. Check sooner if you notice impact, vibration, or water intrusion (milky oil).

What information do you need to confirm part compatibility?

Provide the full model code, serial number, horsepower, shaft length, and any visible suffix letters. A photo of the nameplate helps prevent ordering errors.

Ready to find parts by horsepower, year, and model? Browse the main Suzuki collection to get started.

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If you’re unsure about your model, send us a photo of the nameplate and the part you need and we’ll help verify compatibility.