Johnson Evinrude 115HP 2-Stroke Outboard Engine Parts

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This page supports Johnson/Evinrude 115HP 2‑Stroke outboard engines. Use it to find compatible parts, service intervals, and troubleshooting tips. You can also browse the main Johnson/Evinrude collection. Scroll to the bottom to start browsing parts for this engine, and on the collection page use the Filter & Sort controls to narrow by horsepower, year range, and part category.

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How to Identify Your 115HP Model

Nameplate location: look on the transom bracket or swivel bracket for the model/serial plate.
Model code and suffix: example formats like J115xxx or E115xxx. Suffix letters typically indicate shaft length (S/L/XL), control type, and production year.
Platform clues: 115HP 2‑Stroke models are V4 engines. Earlier units are 90° cross‑flow; later units (mid‑1990s) are 60° loop‑charged. Cowling decals and the block angle help distinguish them.
Oil system: some later engines use oil injection (VRO). If disabled, use a 50:1 premix (unleaded fuel: TC‑W3 oil), unless your manual specifies otherwise.

Platform Overview

V4 90° Cross‑Flow (approx. 1973–1991)

Feature	Description
Configuration	V4 carbureted 2‑Stroke, 90° block (cross‑flow scavenging)
Common Models	Examples include J115 and E115 variants with L/XL shaft codes; exact codes vary by year/market
Advantages	Proven, simple layout; good serviceability; widely available parts
Notes	Match gearcase style and shaft length when ordering propellers, water pump kits, and seal kits

V4 60° Loop‑Charged (approx. 1995–1999)

Feature	Description
Configuration	V4 carbureted 2‑Stroke, 60° block (loop‑charged scavenging)
Common Models	Later J115/E115 loop‑charged variants; confirm by 60° block angle and model code
Advantages	Improved efficiency and mid‑range torque versus older cross‑flow designs
Notes	Some ignition, cooling, and gearcase details differ from earlier cross‑flow models—verify by model number

Routine Maintenance & Service Parts

Intervals below are general guidelines for typical 2‑Stroke use. Always follow your engine’s official service manual.

Item	Interval*	Remarks	Parts Link
Lower unit gear oil	Every 100 hrs or annually	Inspect for water intrusion/metal; reseal if milky oil is found	Lower Unit Seal Kits
Spark plugs	Inspect 50 hrs; replace 100 hrs or annually	Use the specified heat range and gap; carry spares on board	Spark Plugs
Fuel filter / water separator	Every 100 hrs or annually	Replace more often with ethanol fuel or contaminated fuel	Fuel Filters
Water pump impeller or kit	Every 2–3 seasons (200 hrs typical)	Replace sooner if tell‑tale is weak or if overheating alarms occur	Water Pump Repair Kits
Anodes (zincs)	Inspect 50 hrs; replace when 50% consumed	Match anode material to water type (salt/brackish/fresh)	Johnson/Evinrude Anodes
Oil system (2‑Stroke)	Each season	If VRO‑equipped: inspect hoses, clamps, and pump operation; if premix: verify 50:1 fuel/oil ratio	Hoses

*Intervals may vary by operating environment. Always follow the official service schedule for your exact model.

Frequently Used Parts Categories

Cooling system: Water Pump Repair Kits
Lower unit sealing: Lower Unit Seal Kits
Propellers & hardware: Johnson/Evinrude Propellers
Fuel system: Fuel Filters and Fuel Pumps
Ignition/electrical: Spark Plugs, Starters, Electrical Items
Corrosion protection: Anodes
General upkeep: Service & Maintenance Kits

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale or overheat alarm	Inspect intake screens, thermostat, and impeller condition	Water pump kit, thermostat, intake screen
Hard starting / rough idle	Check for stale fuel, clogged filters, primer bulb, choke/enrichment, and spark	Fuel filter, fuel pump, spark plugs, carb service kit
Poor acceleration / power loss	Inspect prop for damage/slip, compression, plug fouling, and fuel delivery	Propeller, spark plugs, fuel pump/filter
Excessive smoke (2‑Stroke)	Verify correct oil mix; check cold‑start enrichment and thermostat closing	Spark plugs, thermostat, oil lines
Gearcase noise / metal in oil	Check oil level/condition; look for water intrusion via seals	Gear lube, seal kit, bearings

FAQs

Are parts interchangeable between cross‑flow and loop‑charged V4 models?

Many service items (plugs, anodes, some cooling parts) are similar, but ignition, intake, and some gearcase components can differ. Always confirm by model number, serial, and shaft length.

When should the water pump impeller be replaced?

Every 2–3 seasons (about 200 hours) is typical, or immediately if the tell‑tale is weak, flow is intermittent, or an overheat alarm occurs.

How often should I change the lower unit gear oil?

Replace annually or every 100 hours. If the drained oil is milky or metallic, service seals and inspect bearings before further use.

What information do you need to confirm compatibility?

Model code, serial number, year (if known), shaft length (S/L/XL), and a note on whether the engine is cross‑flow or loop‑charged. Photos of the nameplate and the part can also help.

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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.