CRAFTMAN 8-15HP 2-Stroke Outboard Engine Parts

(2 products)

This page is for Craftsman 2‑Stroke 8–15 HP outboard engines. It helps you find compatible parts and practical service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse the main Craftsman brand equivalents among major OEM collections on our site. Scroll to the bottom of the page to start browsing parts for this engine, and remember you can use the “Filter & Sort” controls on each collection page to narrow results by horsepower, year range, and part category/section. Because many Sears/Craftsman motors were built by major OEMs, you may find compatible parts within these brand collections: Johnson/Evinrude, Mercury, Tohatsu, Force, and Yamaha.

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How to Identify Your 8–15 HP Model

Locate the nameplate/serial tag on the transom bracket or swivel bracket. Record model number, serial number, and any suffix letters.
Model code tips: suffixes often indicate shaft length (S=15", L=20"), control type (Tiller vs Remote), and sometimes model year or revision.
2‑Stroke identifiers: no engine oil dipstick; either premix fuel/oil (common 50:1 TC‑W3) or a small oil injection reservoir. Carburetor(s) feed the cylinders.
Platform clues: 8–10 HP models may be single‑ or twin‑cylinder; 9.9–15 HP are typically twin‑cylinder. Note starter type (manual vs electric) and charging options.

Engine Overview

Small 2‑Stroke Outboards (8–15 HP Class)

Feature	Description
Configuration	Carbureted 2‑stroke, typically 2‑cylinder (9.9–15 HP) with manual (rope) start; some variants include electric start and basic charging coil.
Common Models	8 HP, 9.9 HP, and 15 HP 2‑stroke variants produced by major OEMs for private‑label brands.
Advantages	Lightweight, simple maintenance, strong low‑to‑mid‑range torque for small boats, easy to service with common wear items.
Notes	Exact impeller kits, carb gaskets, and gearcase seals vary by OEM source and year. Always confirm model/serial and shaft length before ordering.

Routine Maintenance & Service Parts

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

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hours or annually	Inspect for metal or water intrusion; replace drain/fill gaskets as needed.	Lower Unit Seal Kits
Spark plugs	Inspect every 50 hours; replace 100 hours/season	Use correct heat range and gap; replace if fouled or worn.	Spark plug
Inline fuel filter	100 hours or 1–2 seasons	Replace sooner with stale fuel, debris, or ethanol issues.	Fuel Filters
Water pump impeller/kit	Inspect annually; replace every 2 seasons (or 200 hrs)	Replace more often in sandy/silty water or if overheat occurs.	Water Pump Impeller Rebuild Kits
Anodes (zincs)	Inspect each season; replace at ~50% loss	Choose alloy for your water (zinc/aluminum/magnesium).	Anodes
Fuel/oil mix (2‑stroke)	Every refuel (if premix)	Typical 50:1 TC‑W3 unless specified otherwise; verify in your manual.	Service & Maintenance Kits
Propeller inspection	Each season or after strikes	Check for dings, bent blades, and spun hubs; verify pitch for load.	Propellers

Frequently Used Parts Categories

Routine Service – Service & Maintenance Kits
Cooling System – Water Pump Impeller Rebuild Kits
Corrosion Protection – Anodes
Fuel System – Fuel Filters
Ignition / Electrical – Electrical Items and Spark Plugs
Gearcase & Seals – Lower Unit Seal Kits
Propulsion – Propellers

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale or overheat alarm	Inspect intake screens for blockage, check impeller condition, verify thermostat and tell‑tale hose are clear.	Water pump kit, impeller, pump gaskets, thermostat, intake screen
Hard starting / rough idle	Fresh fuel, primer bulb integrity, choke/enrichment operation, plug condition, carb idle mixture and clean jets.	Fuel filter, carburetor kit, spark plugs, fuel lines/connector
Poor acceleration / power loss	Check prop damage or wrong pitch, fouled plugs, restricted fuel flow, exhaust leaks, timing advance linkage.	Propeller, spark plugs, fuel pump diaphragm, fuel filter
Excessive smoke (2‑stroke)	Confirm correct oil mix ratio; verify thermostat is closing; check for stuck choke/enrichment.	Spark plugs, thermostat, enrichment/choke parts
Gearcase noise / metal in oil	Drain and inspect gear oil; look for water intrusion, prop‑shaft fishing line, seal damage, bearing wear.	Lower unit seal kit, bearings, prop shaft hardware, gaskets

FAQs

Are parts interchangeable between different years or OEM platforms?

Often, but not always. Many Sears/Craftsman motors were built by major OEMs, and small changes in year or casting can affect impeller height, carb gaskets, and gearcase seals. Verify model/serial and shaft length to match the correct kit.

When should the impeller be replaced?

Inspect annually and replace every 2 seasons (or about 200 operating hours). Replace sooner if the tell‑tale is weak, you overheat, or you operate in sandy/silty water.

How often should gear oil be changed?

Change gear oil every 100 hours or at least once per season. If the oil appears milky (water intrusion) or metallic, service the seals and inspect internal components.

What information do you need to confirm part compatibility?

Provide model and serial numbers from the bracket tag, shaft length (15"/20"), starting method (manual/electric), control type (tiller/remote), and a description or photo of the part you are replacing.

Ready to find parts by horsepower, year, and model? Explore our major OEM brand collections for small 2‑stroke outboards, including Johnson/Evinrude, Mercury, Tohatsu, and Yamaha.

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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.