Evinrude 45HP 2-Stroke Outboard Engine Parts

(24 products)

This page is dedicated to Evinrude 2‑Stroke 45HP outboard engines and helps you find compatible parts and service information. Below you’ll find maintenance tips, commonly replaced parts, 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, and remember that on the collection page you can use the Filter & Sort controls to narrow results by horsepower, year range, and part category/section.

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How to Identify Your 45HP Model

Model/serial plate location: typically on the top outside edge of the clamp bracket or on the top of the swivel bracket (port or starboard).
Reading the model code: the core code identifies brand and horsepower; suffix letters often indicate shaft length (S=15", L=20", XL=25"), start/control type (e.g., electric start, remote), and a year code.
2‑Stroke specifics: some engines use oil injection (VRO) with an external oil tank, while others require 50:1 premix. Verify which system your model has.
Cross‑check the serial tag against the cowling decals and any service manual references to ensure exact parts compatibility.

Platform Overview

Evinrude 45HP 2‑Stroke (Late 1980s–1990s)

Feature	Description
Configuration	Carbureted 2‑stroke outboard, commonly an inline‑2 platform in this horsepower range.
Common Models	Evinrude 45HP 2‑Stroke variants (approx. 1986–1997), in short/long shaft and tiller/remote configurations.
Advantages	Lightweight, simple carburetion, strong low‑to‑mid range torque for small craft.
Notes	Verify whether your engine is premix or oil‑injected (VRO). Some parts interchange across adjacent 40/48/50HP families, but confirm by model and serial to ensure correct fit.

Routine Maintenance & Service Parts

Intervals below are common guidelines for 2‑stroke outboards; always follow your official service manual for exact procedures and schedules.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hrs or annually	Inspect for water intrusion/metal; replace seals if contamination is found.	Evinrude/Johnson Collection
Spark plugs	Inspect 50 hrs; replace 100 hrs/annually	Use correct heat range and gap per manual; replace if fouled or worn.	Spark Plugs
Inline fuel filter	Inspect 50 hrs; replace annually	Replace sooner if debris/water is present; keep fuel clean and stabilized.	Fuel Filters
Water pump impeller/kit	100 hrs or every 2 seasons	Critical for cooling; replace more frequently in sandy/silty water.	Evinrude/Johnson Water Pump Kits
Anodes (zincs/aluminum)	Inspect 50 hrs; replace at ~50% depleted	Match anode material to water type (salt, brackish, fresh).	Evinrude/Johnson Anodes
2‑Stroke oil system (VRO) or premix	Check every service	Inspect oil lines, tank, and alarms on VRO models; premix engines typically run 50:1 (confirm in manual).	Evinrude/Johnson Collection

Frequently Used Parts Categories

Routine Service: 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 screens for blockage; verify impeller condition; check thermostat operation.	Water pump kit, thermostat, intake screen
Poor acceleration or power loss	Confirm clean fuel and filter; check prop condition/pitch; inspect spark plugs and compression.	Fuel filter, propeller, spark plugs, carburetor kit
Hard starting or rough idle	Verify choke/primer operation; check for air leaks in fuel lines; inspect plugs and ignition leads.	Primer/choke components, fuel lines/bulb, spark plugs
Excessive smoke (2‑stroke)	Confirm correct premix ratio or oil‑injection function; check for stuck carb float/needle.	Oil lines/tank (VRO), carburetor needles/seats
Gearcase noise or metal in gear oil	Check oil level/condition; inspect prop shaft seals for fishing line damage; verify correct shimming if serviced.	Lower unit seal kit, gear oil

FAQs

Are parts interchangeable across different years of 45HP models?

Some mechanical parts may interchange with adjacent 40/48/50HP families and across certain years, but many items are model‑year specific. Always confirm using your exact model and serial information.

When should I replace the water pump impeller?

As a preventative measure, replace the impeller every 100 hours or every two seasons, and sooner if you operate in sandy or silty conditions or notice a weak tell‑tale stream.

How often should gear oil be changed?

Change lower unit gear oil every 100 hours or annually. If the oil appears milky or contains metal, service the seals and investigate internal wear before further use.

What information do you need to confirm part compatibility?

Please provide the model number, serial number, shaft length (S/L/XL), and whether the engine is premix or oil‑injected. A photo of the nameplate and the part needing replacement also helps us verify the correct components.

Ready to find parts by horsepower, year, and model? Browse the main Evinrude/Johnson collection to locate components that fit your 45HP 2‑Stroke outboard.

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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.