Evinrude 7.5HP 2-Stroke Outboard Marine Engine Parts

(13 products)

This page is for Evinrude 2-Stroke 7.5HP outboard engines. Use it to find compatible parts and practical service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse our main Evinrude collection. Scroll to the bottom of the page to start browsing parts for this engine, and remember you can use the “Filter & Sort” controls on the collection page to narrow results by horsepower, year range, and part category.

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How to Identify Your 7.5HP Model

Model/serial plate location: typically on the top outside edge of the clamp bracket, or on top of the swivel bracket (port or starboard).
Model code basics: the core model identifies horsepower; suffix letters/numbers often indicate shaft length, start/control options, and production year. Verify with your owner’s manual before ordering.
2‑Stroke identifier: a carbureted 2‑stroke will not have a cam cover or timing belt found on 4‑strokes; it requires fuel/oil premix or an oiling system.
Era guide: Evinrude 7.5HP models were commonly produced in the early 1980s. Always confirm your exact model number for best parts fit.

Engine Overview

Evinrude 7.5HP 2‑Stroke Platform

Feature	Description
Configuration	Lightweight, twin‑cylinder, carbureted 2‑stroke outboard; manual or electric start; short or long shaft variants.
Common Models	Evinrude 7.5HP 2‑Stroke models from roughly the early 1980s; many service parts overlap with Johnson equivalents of the same era.
Advantages	Simple to maintain, easy starting, good trolling manners, and very portable.
Notes	Confirm model number before ordering. Water pump kits and gearcase seals can vary by year and shaft length; propeller hub dimensions also depend on the specific gearcase.

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 operating conditions.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hours or annually	Inspect for water (milky oil). If contaminated, pressure test and service seals.	Johnson/Evinrude/OMC Service & Maintenance Kits
Spark plugs	Every 100 hours or each season	Check gap per manual; replace if fouled, corroded, or worn.	Spark Plugs
Inline fuel filter	Every 100 hours or each season	Replace/clean; inspect fuel lines and primer bulb for cracks or air leaks.	Fuel Filters
Water pump impeller/kit	Every 2 seasons or ~200 hours	Replace sooner if tell‑tale (water stream) is weak or intermittent.	Johnson/Evinrude/OMC Water Pump Repair Kits
Anodes (corrosion protection)	Inspect every 50 hours; replace when 50% depleted	Use the correct material for your water (aluminum, magnesium, or zinc).	Johnson/Evinrude/OMC Anodes
Fuel/oil premix (2‑stroke)	Every fill‑up	Use fresh gasoline and the manufacturer‑specified ratio (commonly 50:1 TC‑W3 for many models—confirm for your engine).	Johnson/Evinrude/OMC Service & Maintenance Kits
Lower unit seal kit (if needed)	As needed when water intrusion is detected	If gear oil appears milky or you see leaks, service seals and retest.	Johnson/Evinrude/OMC Lower Unit Seal Kits
Thermostat	Every 2–3 years or if overheat/low‑temp running occurs	Test with a thermometer; replace gasket/seal as required.	Johnson/Evinrude Parts

Frequently Used Parts Categories

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

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale or overheat alarm	Inspect intake screen for debris; verify impeller condition; test thermostat.	Water pump kit, thermostat, intake screen
Hard starting / rough idle	Use fresh fuel; check choke/enrichment; inspect/replace spark plugs; verify idle mixture.	Spark plugs, fuel filter, carb gaskets/kit
Poor acceleration / power loss	Check prop for damage; look for fuel restriction/air leaks; confirm throttle linkage.	Propeller, fuel filter, fuel hoses, spark plugs
Excessive smoke (2‑stroke)	Verify premix ratio; avoid extended idling; replace fouled plugs; consider carb clean/tune.	Spark plugs, fuel/oil mix, carb gasket/kit
Gearcase noise or metal in oil	Check oil level/condition; pressure test for leaks; inspect bearings/gears.	Lower unit seal kit, bearings, gear oil

FAQs

Are parts interchangeable across different years or between Evinrude and Johnson 7.5HP models?

Many service items are shared across early‑1980s 7.5HP platforms, but changes in model year, shaft length, and start/control options can affect part fit. Always verify with the full model number before ordering.

How often should I replace the water pump impeller?

As a preventive measure, replace the impeller about every two seasons or ~200 hours. Replace sooner if the tell‑tale is weak, the engine overheats, or you’ve operated in sandy/weedy water.

How often should gear oil be changed?

Change the lower unit gear oil every 100 hours or annually. Check more frequently if you notice leaks, water intrusion (milky oil), or after an impact with underwater objects.

What information do you need to confirm part compatibility?

Provide the complete model number (and serial if available), shaft length, start type (manual/electric), and a brief description of the part or a photo. This ensures we match the correct components for your engine.

Ready to find parts by horsepower, year, and model? Browse our main Evinrude collection to narrow down to your exact 7.5HP 2‑stroke.

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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.