Evinrude 2-Stroke Outboard Engine 6-8HP Parts

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This page is for Evinrude 2‑Stroke 6–8 HP outboard engines. It helps you find compatible parts and practical service information, including maintenance tips, frequently replaced items, and troubleshooting guidance. You can also browse the main Johnson/Evinrude collection at any time. 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/section.

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How to Identify Your 6–8 HP Model

Nameplate location: Look for the model/serial plate on the transom clamp bracket or swivel bracket. The number is also often stamped on a small freeze plug on the powerhead.
Reading the model code: Evinrude small 2‑strokes use codes that include horsepower and year identifiers; suffix letters typically denote shaft length (S=15 in, L=20 in) and sometimes electric start or tiller/remote options.
Platform hints: These engines are 2‑stroke twin‑cylinder, carbureted models. Earlier years may have breaker points ignition; later models generally use CD ignition.
Example: Codes like 6804B are associated with late‑1970s 6 HP variants; always verify your exact model tag for precise parts matching.

Engine Overview

Small Twin 2‑Stroke Platform (6–8 HP)

Feature	Description
Configuration	Inline‑2, carbureted 2‑stroke, tiller or remote variants; short (15 in) and long (20 in) shafts.
Common Models	6 HP and 8 HP families (examples include late‑1970s 6 HP codes like 6804B; various 8 HP S/L shaft versions). Use your exact model tag to confirm.
Advantages	Light weight, portable, easy to service; good trolling manners and simple fuel system.
Notes	Many components (water pump, gearcase hardware) overlap across 6–8 HP years, but verify by model/serial. Maintain proper 50:1 fuel mix unless your manual specifies otherwise.

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	Replace drain/fill gaskets; check for water or metal in oil.	Johnson/Evinrude/OMC Lower Unit Seal Kits
Spark plugs	Inspect 50 hrs; replace 100 hrs or annually	Verify correct heat range and gap; replace if fouled or worn.	Spark plug
Inline fuel filter	Inspect every 50 hrs; replace as needed	Ethanol fuel can loosen debris—replace at first sign of restriction.	Fuel Filters
Water pump impeller/kit	Every 2–3 seasons (or 200 hrs)	Replace more often if run in sandy/silty water or if tell‑tale weak.	Johnson/Evinrude/OMC Water Pump Repair Kits
Anodes (zincs)	Inspect every 50 hrs; replace when 50% worn	Choose alloy for water type (salt, brackish, fresh).	Johnson/Evinrude/OMC Anodes
Propeller & cotter pin	Seasonally or after impact	Inspect blades and hub; replace cotter pin when removed.	Johnson/Evinrude/OMC Propellers
2‑Stroke fuel mix (operator task)	Every refuel	Use fresh gasoline mixed with TC‑W3 2‑stroke oil at 50:1 unless your manual specifies otherwise.	Johnson/Evinrude/OMC Outboard Parts
Ignition service (points/CD components)	Inspect annually or if misfire	Check coils, points (if equipped), and plug wires for age‑related failures.	Electrical Items

Frequently Used Parts Categories

Cooling system: Johnson/Evinrude/OMC Water Pump Repair Kits
Impeller only: Johnson/Evinrude/OMC Impellers
Gearcase & seals: Johnson/Evinrude/OMC Lower Unit Seal Kits
Propellers & hardware: Johnson/Evinrude/OMC Propellers
Corrosion protection: Johnson/Evinrude/OMC Anodes
Fuel system service: Fuel Filters
Ignition & electrical: Electrical Items

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale or overheat alarm	Inspect intake screen, impeller condition, and water tube grommets; verify thermostat operation if equipped.	Water pump kit, intake screen, grommets, thermostat
Poor acceleration or power loss	Check for fouled plugs, restricted fuel filter, carb jets/float height, and damaged propeller.	Spark plugs, fuel filter, carburetor kit, propeller
Hard starting or rough idle	Verify choke/enrichment function, primer bulb, idle mixture, and ignition output.	Fuel filter, fuel pump, carburetor kit, ignition coil
Excessive smoke	Confirm 50:1 fuel mix; check for carb flooding and prolonged idling.	Spark plugs, carb needle/seat, fuel lines
Gearcase noise or milky gear oil	Inspect prop shaft for fishing line, check drain plug gaskets, and pressure test the gearcase.	Lower unit seal kit, drain/fill gaskets, thrust washer

FAQs

Are parts interchangeable between different years or platforms?

Many 6–8 HP items (water pump hardware, some gearcase parts) interchange across years, but ignition, carburetion, and some internal components vary. Always confirm by model and serial to ensure compatibility.

When should the impeller be replaced?

As a rule, replace the impeller every 2–3 seasons (or about 200 hours). Inspect sooner if the tell‑tale weakens, you struck bottom, or the engine overheated.

How often should I change the gear oil?

Change at least annually or every 100 hours. If you see milky oil or metal on the magnet, reseal the gearcase before further use.

What information helps confirm part compatibility?

Provide the model number, serial number, shaft length (S/L), and whether the engine has electric start or remote controls. Photos of the nameplate and the part needing replacement are also helpful.

Ready to find parts by horsepower, year, and model? Browse the main Johnson/Evinrude collection to locate the correct components for your Evinrude 2‑Stroke 6–8 HP.

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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.