Evinrude 2-Stroke 6-20HP Outboard Engine Parts

(1 products)

Evinrude 2-Stroke 6–20HP outboard engines: this page helps you quickly find compatible parts and plan routine service. Below you’ll find maintenance intervals, common replacement parts, troubleshooting tips, and links to the main Johnson/Evinrude collection. Scroll to the bottom of the 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.

Browse All Evinrude Parts

How to Identify Your 6–20HP Model

Nameplate location: look on the transom bracket (typically starboard side) for the model and serial number; some engines also have a freeze-plug stamp on the powerhead.
Reading the model code: the suffix letters often indicate shaft length (S/L/XL), starting/controls (manual/electric, tiller/remote), and model year. Match these when selecting parts.
Platform clues: 6–8HP models are commonly single-cylinder; 9.9–20HP are typically twin-cylinder. Carbureted 2-stroke across this range.
Oil system: many small Evinrudes are 50:1 premix; some later models may have oil injection. Verify which you have before purchasing fuel/oil system parts.

Platform Overview

Single-Cylinder (6–8HP)

Feature	Description
Configuration	Carbureted single-cylinder 2-stroke; typically manual start tiller with optional electric start.
Common Models	6HP and 8HP 2-stroke variants (short and long shaft).
Advantages	Very light weight, simple maintenance, excellent portability.
Notes	Verify impeller size and gearcase style by model code; parts can differ across years.

Twin-Cylinder (9.9–20HP)

Feature	Description
Configuration	Carbureted inline twin 2-stroke; tiller or remote control; manual or electric start.
Common Models	9.9HP, 15HP, and 20HP 2-stroke families (various shaft lengths and control options).
Advantages	Strong low-end torque and responsive acceleration for small boats and tenders.
Notes	Many 9.9/15HP models share core service parts; jetting, props, and some cooling parts vary. Confirm by model and serial.

Routine Maintenance & Service Parts

Intervals below are general guidelines for small 2-stroke outboards; always follow the official service manual for your exact model and usage.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hours or annually	Inspect for water or metal; replace drain/fill gaskets.	Service & Maintenance Kits
Spark plugs	Inspect every 50 hours; replace 100 hours or annually	Set correct gap; use plugs specified for your model.	Spark Plugs
Fuel filter / inline strainer	Inspect every 50 hours; replace annually	Use fresh fuel; avoid ethanol content above E10.	Fuel Filters
Water pump impeller / kit	Inspect annually; replace every 2–3 seasons or 200 hours	Critical for cooling; more frequent service in sandy/silty water.	Evinrude/Johnson Water Pump Kits
Anodes (sacrificial)	Inspect every 50 hours; replace when 50% consumed	Essential for corrosion protection in salt/brackish water.	Evinrude/Johnson Anodes
2‑Stroke oil mix / injection system	Each refuel (premix) / inspect annually (injection)	Most use 50:1 premix; for oil‑injected models, inspect hoses/pump and verify calibration.	Hoses (Oil/Fuel Lines)
Propeller & hardware check	Every 50 hours or each prop strike	Remove prop, clear line, inspect splines and seals; replace cotter/nut as needed.	Evinrude/Johnson Propellers

*Intervals may vary by model and usage. Always consult your owner’s/service manual.

Frequently Used Parts Categories

Routine Service & Tune-Up – Evinrude/Johnson Service & Maintenance Kits
Cooling System – Water Pump Repair Kits
Fuel System – Fuel Filters
Ignition / Electrical – Electrical Items
Gearcase Seals – Lower Unit Seal Kits
Propulsion – Propellers
Corrosion Protection – Anodes

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale stream or overheat alarm	Inspect intake screen for debris; verify impeller condition and thermostat operation.	Water pump kit, intake screen, thermostat, gaskets
Poor acceleration or power loss	Check fuel quality, filter restriction, and prop damage/pitch; confirm throttle linkage and compression.	Fuel filter, fuel lines/primer bulb, carb kit, propeller
Hard starting or rough idle	Verify choke/primer operation, plug condition/gap, and air leaks on fuel lines.	Spark plugs, fuel lines, carburetor components
Excessive smoke (2‑stroke)	Confirm correct oil mix (50:1 typical); check for stuck choke or flooded carb.	Carburetor kit, choke/primer parts, fuel needle/seat
Gearcase noise or metal in gear oil	Inspect prop shaft for fishing line; check seals and gear oil condition.	Lower unit seal kit, drain/fill gaskets, propeller hardware

FAQs

Are parts interchangeable across different years in the 6–20HP range?

Some service parts are shared, especially within the same family (e.g., 9.9/15HP). However, cooling, ignition, and gearcase components can change by year and shaft length. Always confirm by full model and serial.

When should I replace the impeller?

Inspect annually and replace every 2–3 seasons or ~200 hours, sooner if operating in sandy/silty water or if the tell‑tale is weak.

How often do I change lower unit gear oil?

Typically every 100 hours or at least once per season. If you find milky oil (water intrusion) or metal, service seals and diagnose before further use.

What information do you need to confirm part compatibility?

Please provide the exact model code, serial number, shaft length, starting/controls (manual/electric, tiller/remote), and any known modifications.

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

Shop Johnson/Evinrude Parts

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.