Yamaha 2-Stroke 75HP Outboard Engine Parts

(66 products)

This page is for Yamaha 2-Stroke 75HP outboard engines. It helps you find compatible parts and service information, including maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Yamaha collection. Scroll to the bottom of this page to start browsing parts for this engine, and on the collection page use the Filter & Sort controls to narrow results by horsepower, year range, and part category.

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How to Identify Your 75HP Model

Locate the identification plate on the port-side transom bracket. It lists the model code and serial number.
Model prefixes commonly seen on 2‑stroke 75HP units include C75, E75, and P75. Suffix letters indicate shaft length (S=15", L=20", X=25"), trim/tilt and other features; the final letter/number is the year code.
Confirm it is a 2‑Stroke: you’ll see three carburetors and either an oil tank/oil injection system (Precision Blend) or premix decals. A 4‑stroke has a valve cover and engine oil dipstick.
Commercial (C) variants may have heavier‑duty components; recreational (P/E) variants often include oil injection and power trim/tilt. Verify specifics on the nameplate before ordering parts.

Platform Overview

Inline‑3 Carbureted 2‑Stroke 75HP

Feature	Description
Configuration	Inline‑3, carbureted 2‑stroke, manual premix or Yamaha Precision Blend oil injection (varies by model).
Common Models	C75, E75, P75 (approx. early 1990s to early 2000s, depending on market).
Advantages	Lightweight for the output, straightforward service, strong mid‑range torque.
Notes	Some components interchange with 70/85/90HP 2‑stroke families, but jetting, timing, gear ratios and brackets may differ. Always confirm with the full model code before ordering.

Routine Maintenance & Service Parts

Intervals below are general guidelines for typical recreational use. Always follow the procedures and intervals in the official Yamaha service manual for your exact model and year.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hrs or annually	Change gear lube; inspect for water (milky oil) or metal. Replace seals if contamination is found.	Yamaha Service & Maintenance Kits
Spark plugs	Inspect every 50 hrs; replace ~100 hrs	Check condition and gap; replace if fouled or worn.	Spark Plugs
Fuel filter / in‑line filter	Every 100 hrs or annually	Replace to protect carbs; consider a water‑separating filter for harsh conditions.	Fuel Filters
Water pump impeller / kit	Every 2 seasons or 200 hrs	Replace sooner if weak telltale, overheat alarm, or sand/silt use.	Yamaha Water Pump Repair Kits
Anodes (external & internal)	Inspect every 50 hrs; replace when 50% eroded	Crucial for corrosion protection, especially in salt/brackish water.	Yamaha Anodes
Oil injection system (if equipped)	Annually	Clean/replace tank strainer, verify pump indexing and bleed lines. If premix, use fresh TC‑W3 at 50:1 unless otherwise specified by your manual.	Hoses
Lower unit seals (pressure test if leaks)	As needed	Replace seals if water intrusion or oil leak is detected after service.	Yamaha Lower Unit Seal Kits

Frequently Used Parts Categories

Routine Service: Yamaha Service & Maintenance Kits
Cooling System: Yamaha Water Pump Repair Kits
Fuel System: Fuel Filters
Ignition / Electrical: Electrical Items
Starting System: Yamaha Starters
Propulsion: Yamaha Propellers
Corrosion Protection: Yamaha Anodes

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak telltale or overheat alarm	Inspect intake screens for blockage; verify thermostat operation; check impeller condition and housing wear.	Water pump kit, thermostat, intake screen, gaskets, anodes
Poor acceleration / power loss	Check prop damage or wrong pitch; replace fuel filter; verify carb sync and clean jets; inspect spark plugs.	Propeller, fuel filter, carb kits/jets, spark plugs
Hard starting / rough idle	Confirm choke/enrichment function; prime with a firm bulb; look for air leaks in fuel lines and filter fittings.	Spark plugs, in‑line fuel filter, fuel hoses/clamps, carb rebuild components
Excessive smoke (2‑Stroke)	Verify oil ratio (premix) or oil pump indexing (injection); check for stuck floats or flooding.	Oil pump service parts, fuel needles/seats, spark plugs
Gearcase noise or metal in gear oil	Measure gear oil level/condition; inspect for water intrusion; check for fishing line on propshaft seals.	Gear lube, seals, bearings, prop hardware

FAQs

Are parts interchangeable between different 75HP years or related models (70/85/90HP)?

Many wear items (impellers, anodes, some gaskets) are shared across inline‑3 Yamaha 2‑stroke families, but jetting, ignition timing, gear ratios, brackets and electronics can vary by year and sub‑model (C/E/P). Always confirm with the full model code and serial number.

When should I replace the impeller?

A typical interval is every 2 seasons or about 200 hours, and immediately after any overheat event or heavy sand/silt exposure. Inspect more frequently if the telltale weakens.

How often should I change the lower unit gear oil?

Change gear lube every 100 hours or annually, and any time it appears milky (water intrusion) or after an impact with submerged objects.

What information do you need to confirm part compatibility?

Please provide the full model code from the nameplate, serial number, shaft length, control type (tiller/remote), and whether the engine is premix or oil‑injected. A photo of the nameplate and the part you need is very helpful.

Ready to find parts by horsepower, year and model? Browse our main Yamaha collection and filter to your exact 2‑stroke 75HP configuration.

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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.