Evinrude 2-Stroke 1.5-20HP Outboard Marine Engine Parts

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This page is for Evinrude 2‑Stroke 1.5–20HP outboard engines and helps you find compatible parts and service information. Inside you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Johnson/Evinrude collection. Scroll to the bottom of this page to start browsing parts for this engine, and remember you can use the Filter & Sort controls on any collection page to narrow results by horsepower, year range, and part category.

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How to Identify Your 1.5–20HP Model

Locate the nameplate/serial tag on the transom bracket or swivel bracket. Record the full model number and serial.
Decode suffix letters for shaft length (short/long), starting method (rope/electric), and control type (tiller/remote).
Confirm 2‑stroke configuration and fuel system (carbureted). Note if the engine is premix or has oil injection (where applicable).
When ordering parts, match by model code first; year alone can be misleading due to mid‑year updates.

Engine/Platform Overview

Small Singles (1.5–6 HP) 2‑Stroke

Feature	Description
Configuration	Single‑cylinder, carbureted 2‑stroke; compact and lightweight for dinghies and small inflatables.
Common Models	1.5–6 HP 2‑stroke family (tiller steer, rope start).
Advantages	Very light, simple service, easy to transport.
Notes	Cooling and ignition parts can differ from twin‑cylinder models; always verify by model code.

Twin‑Cylinder (9.9–20 HP) 2‑Stroke

Feature	Description
Configuration	Inline‑2, carbureted 2‑stroke; available in rope or electric start, short or long shaft variants.
Common Models	9.9–20 HP 2‑stroke family (tiller and remote versions).
Advantages	Light weight, straightforward maintenance, strong low‑speed thrust for small craft.
Notes	Many gearcase and water‑pump parts are shared with select higher‑output siblings from adjacent families; confirm by model code 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 specific model and operating conditions.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hrs or annually	Inspect for water or metal; replace drain gaskets and address seal leaks promptly.	Johnson/Evinrude Service & Maintenance Kits
Spark plugs	Inspect every 50–100 hrs; replace as needed	Verify heat range and gap per manual; replace fouled or worn plugs.	Spark Plugs
Fuel filter (inline or under‑cowl)	Every 100 hrs or annually	Drain/replace; consider a water‑separating filter if using ethanol‑blended fuel.	Fuel Filters
Water pump impeller or kit	Every 2–3 seasons (annually in sandy/shallow use)	Restores cooling flow and overheat margin; replace housing if scored.	Johnson/Evinrude Water Pump Kits
Anodes (corrosion protection)	Inspect every haul‑out; replace when ~50% consumed	Match material to water type: aluminum for brackish/salt, zinc for salt (where applicable), magnesium for fresh.	Johnson/Evinrude Anodes
Gearcase seals (if water intrusion found)	As needed after diagnosis	Milky oil or recurring leaks call for reseal; inspect shafts and bearings.	Johnson/Evinrude Lower Unit Seal Kits
2‑Stroke fuel/oil practice	Each refuel	Use TC‑W3 2‑stroke oil and the correct mix ratio per your model; service oiling system where applicable.	Johnson/Evinrude Collection

Frequently Used Parts Categories

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

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale stream or overheat alarm	Intake screens for debris, pinched hoses, worn impeller, thermostat sticking	Water pump kit, intake screen, thermostat
Poor acceleration or power loss	Old fuel, restricted filter, fouled plugs, carb settings, improper prop pitch	Fuel filter, fuel pump, spark plugs, carburetor service kit, propeller
Hard starting or rough idle	Choke/enricher operation, plug condition/gap, idle mixture, air leaks on fuel line	Spark plugs, fuel filter, carburetor service components
Excessive smoke (2‑stroke)	Oil mix too rich, prolonged idling, cold‑start enrichment left on	Spark plugs, correct TC‑W3 oil, tune‑up items
Gearcase noise or metal in gear oil	Magnetic drain plug debris, water intrusion, seal wear, improper shimming	Lower unit seal kit, bearings, thrust washers

FAQs

Are parts interchangeable between different years or platforms?

Some components—particularly gearcase and cooling items—carry over across adjacent horsepower families. Always verify by full model number, shaft length, and start/control configuration before ordering.

When should the impeller be replaced?

Every 2–3 seasons for typical use, or annually if you run in sandy, silty, or shallow water. Any weak tell‑tale flow or overheat event is a cue to inspect the pump.

How often should I change the lower unit gear oil?

At least once per year or every 100 engine hours. Milky oil or excessive metal on the drain plug indicates a sealing or wear issue that should be addressed before further use.

What information do you need to confirm part compatibility?

Please provide the full model number and serial, shaft length (short/long), control type (tiller/remote), and whether it’s rope or electric start. Photos of the nameplate and the existing part also help.

Ready to browse parts by horsepower, year, and model? Explore our main Johnson/Evinrude collection for a full selection of components.

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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.