BRP Johnson 2-Stroke 15HP Outboard Marine Engine Parts

(0 products)

This page is for BRP Johnson 2-Stroke 15HP outboard engines. Use it to find compatible parts and essential service information, including maintenance tips, frequently replaced components, and troubleshooting guidance. You can also browse our main Johnson/Evinrude collection. 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.

Browse All Johnson/Evinrude Parts

How to Identify Your 15HP Model

Nameplate location: Typically on the clamp bracket or top of the swivel bracket (port or starboard). The tag shows the model and serial.
Reading the code: “J” indicates Johnson; “15” is horsepower; letters note start type (R = rope, E = electric), shaft length (S = short, L = long), and a year/feature suffix.
2‑Stroke identification: Carbureted two‑cylinder design; requires premix fuel (50:1 TC‑W3) unless otherwise specified by your manual.
Control/rigging differences: Tiller vs. remote control and short vs. long shaft models affect certain parts (prop, shift/throttle cables, and water pickup height).

Engine Overview

Johnson 15HP 2‑Stroke Platform (1970s–early 1990s)

Feature	Description
Configuration	Carbureted 2‑stroke, 2‑cylinder inline; rope or electric start; tiller or remote options.
Common Models	Examples include 15E79E / 15EL79E (late 1970s) and J15ECSD, J15ELCUD, J15RCEC (1980s–early 1990s).
Advantages	Light weight and portable; simple to service; strong low‑to‑mid RPM punch for small boats.
Notes	Shaft length (S/L/EL) and control type affect rigging parts. Many cooling and ignition components are shared across years, but always verify by model/serial.

Routine Maintenance & Service Parts

Intervals below are general guidelines; always follow the official service manual for your exact model and usage.

Item	Interval*	Remarks	Parts Link
Lower unit gear oil	Every 100 hours or annually	Check for water/milkiness and metal. Replace gaskets on drain/fill screws.	Johnson/Evinrude Service & Maintenance Kits
Spark plugs	Inspect every 50 hours; replace 100 hours	Verify heat range and gap; replace if fouled or worn.	Spark Plugs
Inline fuel filter	Every 100 hours or annually	Replace if contaminated; inspect fuel lines and primer bulb.	Fuel Filters
Water pump impeller/kit	2–3 seasons or 200 hours	Replace sooner if weak telltale or overheat; renew housing if scored.	Johnson/Evinrude Water Pump Repair Kits
Anodes (zincs)	Inspect 50 hours; replace when ≥50% gone	Use correct alloy for salt vs. fresh water; keep paint off anodes.	Johnson/Evinrude Anodes
Gearcase seals (inspection)	As needed; test if water in oil	Pressure/vacuum test if oil is milky or after impact/grounding.	Johnson/Evinrude Lower Unit Seal Kits
2‑Stroke fuel/oil mix	Every fill	Typical 50:1 with TC‑W3 oil (check your manual). Use fresh, ethanol‑managed fuel.	Johnson/Evinrude Parts

Frequently Used Parts Categories

Routine Service — Johnson/Evinrude Service & Maintenance Kits
Cooling System — Water Pump Repair Kits
Corrosion Protection — Anodes
Fuel System — Fuel Filters
Ignition / Electrical — Electrical Items
Propulsion — Propellers
Gaskets & Seals — Gaskets

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak telltale or overheat alarm	Inspect intake screens, thermostat, and impeller condition; confirm good hose pressure on flush.	Water pump kit, thermostat, intake screen
Hard starting / rough idle	Verify fresh fuel and correct 50:1 mix; inspect plugs; check primer bulb and choke/enrichment operation.	Spark plugs, fuel filter, fuel lines/primer bulb
Poor acceleration / power loss	Compression test; check for fuel restriction; verify ignition spark on both cylinders.	Fuel filter, carb kits, ignition components
Excessive smoke (2‑Stroke)	Confirm correct premix ratio; ensure engine fully warms; inspect plugs for fouling.	Spark plugs, carb gaskets/needles
Gearcase noise or milky gear oil	Drain and inspect oil; check for water intrusion; perform pressure/vac test.	Lower unit seal kit, drain/fill screw gaskets

FAQs

Are parts interchangeable between different years or model codes?

Many components interchange across the 1970s–early 1990s 15HP 2‑stroke platform, but there are differences by shaft length, start type, and year suffix. Always verify with your exact model/serial before ordering.

When should I replace the water pump impeller?

As a rule, every 2–3 seasons or about 200 hours. Replace sooner if the telltale weakens, the engine overheats, or if sand/silt use is frequent.

How often should I change the lower unit gear oil?

Change every 100 hours or annually, and anytime the oil appears milky (water intrusion) or after impact/grounding.

What information helps confirm part compatibility?

Provide the model code, serial number, shaft length (S/L/EL), and whether the engine is rope or electric start and tiller or remote. Clear photos of the nameplate and the part area are also helpful.

Ready to find parts by horsepower, year, and model? Browse the main Johnson/Evinrude collection to locate compatible components for your 15HP 2‑stroke.

Shop Johnson/Evinrude Parts

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.