Evinrude 2-Stroke 250HP Outboard Engine Parts

(20 products)

This page is dedicated to Evinrude 2‑Stroke 250HP outboard engines. Use it to find compatible parts and practical service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse the main Evinrude/Johnson collection for a wider selection. Scroll to the bottom of this page 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 250HP Model

Nameplate location: Look for the model/serial tag on the top outside edge of the clamp bracket or on the top of the swivel bracket (port or starboard side).
Reading the model code: Suffix characters typically indicate shaft length (e.g., 20/25/30 in), control/starting options, and a year code. Record the entire model string and any suffix letters.
Platform clues: Carb/EFI 2‑stroke models have traditional fuel systems, while Direct Injection (often labeled FICHT or E‑TEC) have an electronic module and DI fuel rails. Cowling decals often identify the platform.
Other identifiers: Note gearcase type, steering/trim options, and whether the engine uses remote oil injection. These details affect parts selection.

Platform Overview

V6 Carb/EFI 2‑Stroke (Legacy)

Feature	Description
Configuration	V6 looper 2‑stroke, carbureted or EFI with oil injection.
Common Models	Examples include 250 Carb/EFI V6 variants (often branded Offshore/Ocean‑series).
Advantages	Strong top‑end power, straightforward mechanical systems (on carb models).
Notes	Oil injection hoses and filters should be inspected regularly; ignition and fuel parts vary by year. Cooling and gearcase service parts are commonly shared within this family but verify by model code.

V6 Direct Injection (FICHT / E‑TEC)

Feature	Description
Configuration	V6 2‑stroke direct injection with electronic engine management (EMM) and DI fuel system.
Common Models	Examples include 250 FICHT and 250 E‑TEC variants.
Advantages	Improved fuel economy and reduced smoke with strong torque across the range.
Notes	Healthy battery voltage and clean fuel are critical. Water pump and gearcase parts are similar in function to other V6 models, but electronics, injectors, and sensors are platform‑specific.

Routine Maintenance & Service Parts

Intervals below are general guidelines. Always confirm requirements and procedures in your engine’s official service manual.

Item	Interval*	Remarks	Parts Link
Lower unit gear oil	Every 100 hrs or annually	Replace drain plug gaskets; inspect for water or metal fines.	Evinrude/Johnson Collection
Spark plugs	Inspect 50 hrs; replace 100 hrs or annually	Use correct heat range and gap per service manual.	Spark Plug
Fuel filter / water separator	Inspect 50 hrs; replace 100 hrs	Essential for DI engines; drain water as needed.	Fuel Filters
Water pump impeller/kit	Every 2–3 seasons or 200 hrs	Replace sooner if weak tell‑tale or overheat occurs.	Johnson/Evinrude/OMC Water Pump Repair Kits
Thermostats	Inspect every 2 years	Stuck thermostats can cause cold‑seizing or overheat.	Evinrude/Johnson Collection
Anodes (zincs)	Inspect 50 hrs; replace as needed/annually	Use correct alloy for fresh, brackish, or salt water.	Johnson/Evinrude/OMC Anodes
Oil injection system (hoses/filters)	Inspect every season	Check for brittle hoses, leaks, and proper priming.	Hoses
Propeller & hub	Inspect 50 hrs; replace as needed	Remove fishing line; check for hub slip and dings.	Johnson/Evinrude/OMC Propellers
Lower unit seal kit (if water intrusion found)	As needed, after pressure/vac tests	Replace seals if milky oil or leak is detected.	Johnson/Evinrude/OMC Lower Unit Seal Kits

Frequently Used Parts Categories

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

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale or overheat alarm	Inspect intake screens, tell‑tale hose, thermostats; verify impeller condition.	Water pump kit, thermostat, intake screen
Hard starting or rough idle	Check spark plug gap/condition, prime bulb firmness, fuel filter restriction.	Spark plugs, fuel filter, primer bulb/fuel pump
Poor acceleration or power loss	Look for prop hub slip, fouled plugs, water in fuel, restricted exhaust.	Propeller/hub, spark plugs, fuel filters, hoses
Excessive smoke (2‑stroke)	Verify oiling rate, thermostat operation (engine reaching temp), and fuel quality.	Spark plugs, thermostat, hoses
Gearcase noise or metal in oil	Check oil level/condition; perform pressure/vacuum test for seal integrity.	Lower unit seal kit, bearings, gear lube

FAQs

Are parts interchangeable between different years or platforms?

Some service items (anodes, water pump components, hardware) may interchange within the same V6 family, but electronics, fuel system components, and gearcases can differ by year and platform (Carb/EFI vs DI). Confirm compatibility using your exact model number and serial.

When should I replace the impeller?

As a preventive measure every 2–3 seasons or ~200 hours, and immediately if you notice weak water flow, overheat warnings, or debris ingestion. Boats run in sandy or silty water may require more frequent service.

How often should I change lower unit gear oil?

Change gear oil at least annually or every 100 hours, whichever comes first. Inspect for milky oil (water intrusion) or metal fines, and replace seals if a leak is detected.

What information helps confirm part compatibility?

Provide the full model number, serial number, year (if known), shaft length, control type, and any platform indicators (e.g., E‑TEC/FICHT decals). Photos of the nameplate and the part you’re replacing are very helpful.

Ready to find parts by horsepower, year, and model? Browse our main Evinrude/Johnson collection for compatible components for your 250HP 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.