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Evinrude 2-Stroke 112HP Outboard Marine Engine Parts

(6 products)

This page is dedicated to Evinrude 2-Stroke 112HP outboard engines. Use it to find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Evinrude/Johnson collection. Scroll to the bottom to start browsing parts for this engine, and remember you can use the collection page’s Filter & Sort controls to narrow results by horsepower, year range, and part category.

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How to Identify Your 112HP Model

  • Locate the model/serial plate on the transom bracket or swivel bracket. It lists model code, serial number, and often shaft length.
  • Model code and suffix: letters typically indicate features such as shaft length (e.g., L = 20" long, X = 25" extra-long), electric start, or tiller/remote. The final characters often encode the model year.
  • Platform hint: 112HP engines are typically V4 2‑stroke models. Mid‑1990s “SPL” badging often indicates a 60° loop‑charged V4; earlier V4 families were 90° crossflow. Visual cues include cylinder head shape and cowl decals.
  • Confirm carburetion/enrichment details (choke/primer) and gearcase style; these affect gasket/impeller and gearcase seal kit compatibility.

Platform Overview

V4 60° loop‑charged, carbureted 2‑Stroke (typical for 112 SPL, mid‑1990s)

Feature Description
Configuration V4 60° loop‑charged, carbureted 2‑stroke outboard
Common Models Examples include “112 SPL” V4 variants (approx. mid‑1990s). Exact code and year suffix determine parts.
Advantages Strong mid‑range torque, straightforward carb service, broad parts availability.
Notes Many cooling and gearcase components are shared with other V4 models of the era. Always confirm with model/year before ordering.

V4 90° crossflow, carbureted 2‑Stroke (earlier V4 family)

Feature Description
Configuration V4 90° crossflow, carbureted 2‑stroke outboard
Common Models Related to earlier 110/115 HP class. Some service parts overlap with 112HP, but not all.
Advantages Simple carburetion and ignition systems; good field serviceability.
Notes Water pump housings, gear sets, and seal kits can differ from loop‑charged V4s. Match by model code and year.

Routine Maintenance & Service Parts

Intervals below are general guidelines for 2‑stroke outboards. Always follow the official service manual for your exact model/year and operating environment.

Item Interval* Remarks Parts Link
Lower unit gear oil Every 100 hours or annually Inspect for water intrusion (milky oil) and metal fines; reseal if contamination is present. Lower Unit Seal Kits
Spark plugs Inspect 50 hours; replace annually Use correct heat range and gap; 2‑strokes benefit from fresh plugs for clean starting. Spark Plugs
Fuel filter (inline or under‑cowl) Every season or 100 hours Replace more often with ethanol fuel or if storage debris is suspected. Fuel Filters
Water pump impeller / kit Every 2–3 seasons (or 100 hours); annually in sandy/silty water Key to cooling performance and overheat prevention; replace housing if scored. Water Pump Repair Kits
Anodes (internal & external) Inspect 50 hours; replace when 50% consumed Essential for corrosion protection in salt/brackish water. Anodes
2‑Stroke lubrication Every use / seasonal check Premix at 50:1 (if applicable) with TC‑W3 oil; for oil‑injected models, service the tank/lines and use fresh TC‑W3 oil. Service & Maintenance Kits

Frequently Used Parts Categories

Common Symptoms & Quick Checks

Symptom Check First Related Parts
Weak tell‑tale stream or overheat alarm Inspect intake screen, thermostat, and water pump impeller; verify hose routing and salt scale. Water pump kit, thermostat, intake screen/grommets
Poor acceleration / power loss Confirm fresh fuel and correct mix; check fuel filter restriction, carb jets/float, and prop hub integrity. Fuel filter, carb service kit, spark plugs, propeller/hub kit
Hard starting / rough idle Verify choke/primer function, air leaks at fuel lines, idle mixture settings, and ignition spark. Carb kit, fuel pump, fuel lines, ignition coils, spark plugs
Excessive smoke (2‑stroke) Check oil ratio or injection system, stuck thermostat (cold‑running), and carb richness. Spark plugs, thermostat, oil lines/tank components, carb kit
Gearcase noise or metal in gear oil Confirm oil level/condition; check for water intrusion, worn bearings, and fishing‑line‑damaged seals. Gearcase seal kit, bearings, prop shaft seals, drain plug gaskets

FAQs

Are parts interchangeable between different years or V4 platforms?

Some items (plugs, external anodes, many fasteners) overlap, but cooling, gearcase, and ignition parts can differ between 60° loop‑charged and 90° crossflow V4s and across year updates. Always confirm with your full model code and serial.

When should the water pump impeller be replaced?

As a preventive measure every 2–3 seasons (or ~100 hours). In sandy/silty or weedy water, inspect and replace more frequently. Replace the housing if it’s scuffed or warped.

How often should I change lower unit gear oil?

At least annually or every 100 hours, and any time you observe water intrusion (milky oil) or contamination. If water is present, plan a reseal service with a gearcase seal kit.

What info do you need to confirm part compatibility?

Please provide the complete model code, serial number, shaft length (L/XL), and any visible part numbers on the removed component. Photos of the nameplate and the part help ensure a precise match.

Ready to find parts by horsepower, year, and model? Browse the main Evinrude/Johnson collection to get started.

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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.
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