Evinrude 2-Stroke 5-6HP Outboard Engine Parts

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This page is for Evinrude 2-Stroke 5–6HP outboard engines. Use it to identify your model and find compatible parts, routine maintenance items, and troubleshooting guidance. You can also browse the main Johnson/Evinrude outboard collection, and at the bottom of this page you’ll find a quick path to start browsing parts for this engine. 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 5–6HP Model

Nameplate location: Look for the model/serial tag on the transom bracket or swivel bracket. A secondary sticker may be on the engine clamp area.
Reading the model code: The base code typically indicates horsepower (5 or 6) and brand; suffix letters often denote shaft length (S=15", L=20"), start type (manual/electric), and a production year code.
2‑Stroke identifier: No crankcase oil dipstick; requires premixed fuel or factory oiling. Carbureted twin-cylinder design on most 5–6HP models.
Shaft length matters: Many service parts fit both short and long shaft versions, but propeller and shift shaft/seal details can differ—verify your suffix letters.

Engine Overview

5–6HP 2‑Stroke Twin

Feature	Description
Configuration	Inline 2‑cylinder, carbureted 2‑stroke; manual (rope) start common; tiller control; short (15") or long (20") shaft variants.
Common Models	Evinrude 5HP and 6HP two-stroke models with various suffix codes (S/L for shaft length; other letters indicating features/year). Johnson equivalents often share many parts.
Advantages	Lightweight, portable, simple maintenance, good low‑speed maneuverability for small boats and dinghies.
Notes	Many wear items (impeller, anodes, plugs) are shared across years, but verify by model/serial and shaft length before ordering.

Routine Maintenance & Service Parts

Intervals below are general guidelines for typical recreational use. Always follow the official service manual for your exact model and operating conditions.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hours or annually	Inspect for water (milky oil). Replace drain plug gaskets; reseal if contamination is found.	Johnson/Evinrude/OMC Lower Unit Seal Kits
Spark plugs	Inspect 50 hours; replace 100 hours	Check gap and color; replace if fouled or worn.	Spark Plugs
Fuel filter / inline filter	Inspect 50 hours; replace 100 hours	Replace if restricted; use fresh, ethanol‑safe fuel line where needed.	Fuel Filters
Water pump impeller / kit	Annually or 200 hours (sooner in sandy/silty water)	Critical for cooling. Replace housing/plate as needed.	Johnson/Evinrude/OMC Water Pump Repair Kits
Anodes (sacrificial)	Inspect each season; replace at ~50% consumed	Use correct alloy for fresh, brackish, or salt water.	Johnson/Evinrude/OMC Anodes
Propeller inspection	Each trip; remove seasonally	Check for dings and fishing line around the prop shaft seal.	Johnson/Evinrude/OMC Propellers
Fuel/oil mix (2‑stroke)	Every fill‑up	Most models run 50:1 with TC‑W3 outboard oil; verify in your manual.	Johnson/Evinrude/OMC Outboard Parts
Fuel lines and primer bulb	Inspect each season; replace as needed	Look for soft, cracked, or ethanol‑damaged hose; ensure tight clamps and fittings.	Johnson/Evinrude/OMC Hoses

Frequently Used Parts Categories

Routine Service Kits — Johnson/Evinrude/OMC Service & Maintenance Kits
Cooling System — Water Pump Repair Kits
Fuel System — Fuel Filters
Ignition / Electrical — Electrical Items
Propellers — Johnson/Evinrude/OMC Propellers
Corrosion Protection — Johnson/Evinrude/OMC Anodes
Lower Unit Seals — Johnson/Evinrude/OMC Lower Unit Seal Kits

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak telltale stream / overheating	Inspect intake screen for blockage; verify impeller condition; check thermostat if equipped.	Water pump repair kit, impeller, thermostat, intake screen gasket
Poor acceleration / power loss	Check prop damage; verify fresh fuel; inspect/freshen spark plugs; clean carb jets.	Propeller, spark plugs, carburetor kit, fuel filter
Hard starting / rough idle	Confirm choke/primer operation; check plug gap; look for air leaks in fuel lines.	Spark plugs, carburetor kit, fuel hoses/primer bulb, fuel filter
Excessive smoke (2‑stroke)	Confirm correct mix ratio; avoid stale fuel; warm engine fully.	Spark plugs, quality TC‑W3 oil, fuel filter
Gearcase noise / milky gear oil	Drain and inspect oil; check for fishing line at prop shaft; pressure test and reseal as needed.	Lower unit seal kit, bearings, gaskets, propeller hardware

FAQs

Are parts interchangeable between 5HP and 6HP or different years?

Many wear parts interchange across Johnson/Evinrude 5–6HP two‑strokes, but details vary by model year, ignition type, and shaft length. Always confirm using your exact model and serial information.

When should I replace the impeller?

As a rule of thumb, replace annually or every 200 hours—sooner if the motor ingests sand/silt, the telltale weakens, or you store the engine dry for long periods.

How often should I change lower unit gear oil?

Change every 100 hours or at least annually. If oil appears milky or you find metal on the drain plug magnet, reseal and inspect internal components.

What information do you need to confirm part compatibility?

Provide the model and serial number from the nameplate, shaft length (S/L), start type (manual/electric), and whether it’s tiller or remote control. Photos of the part and nameplate also help.

Ready to find parts? Browse the main Johnson/Evinrude collection and narrow by horsepower, year, and model using the Filter & Sort tools.

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