Yamaha 75-225HP 2-Stroke Outboard Marine Engine Parts

(1 products)

This page is for Yamaha 2‑Stroke 75–225HP outboard engines. Use it to find compatible parts and practical service information, including maintenance tips, common replacement items, and troubleshooting guidance. You can also browse our main Yamaha outboard collection. Scroll to the bottom of this page to start browsing parts for these engines, and remember you can use the “Filter & Sort” controls on the collection page to narrow results by horsepower, year range, and part category.

Browse All Yamaha Parts

How to Identify Your 75–225HP Model

Locate the serial/nameplate on the transom bracket or swivel bracket. It lists the model code, production code, and serial number used to confirm exact parts.
Model code and suffix: letters typically indicate shaft length and control type; a trailing code can indicate revision or year. Record all characters exactly as shown.
Primary ID/serial is also printed on the warranty card and the engine’s serial label. Ensure leading zeros are included when referencing your model.
Platform hints: 75–90HP are commonly inline‑3 two‑strokes; 115–130HP are inline‑4; 150–225HP are V6. Visual cues include cylinder bank layout and cowling size.

Platform Overview

Inline‑3 (75–90HP)

Feature	Description
Configuration	Inline‑3 carbureted 2‑Stroke midrange outboards (e.g., 75/85/90 models).
Common Models	75HP and 90HP 2‑Stroke model families with various shaft lengths and control options.
Advantages	Lightweight, simple maintenance, strong hole‑shot for smaller boats.
Notes	Cooling and ignition parts are model‑specific; verify by model code and serial.

Inline‑4 (115–130HP)

Feature	Description
Configuration	Inline‑4 carbureted 2‑Stroke (115/130 class), multiple gearcase and control variants.
Common Models	115HP and 130HP 2‑Stroke series with standard or long shaft options.
Advantages	Balanced weight and output, broad parts availability, straightforward service.
Notes	Carb settings and jetting vary by year/market; always match parts to the exact model code.

V6 (150–225HP)

Feature	Description
Configuration	V6 2‑Stroke, typically carbureted or EFI variants in 150/175/200/225HP ranges.
Common Models	150HP, 175HP, 200HP, 225HP 2‑Stroke V6 families with various shafts and controls.
Advantages	High torque and top speed capability for heavier hulls and offshore use.
Notes	V6 cooling, fuel, and ignition components differ by EFI vs. carb; verify with full model/serial details.

Routine Maintenance & Service Parts

Intervals below are general guidelines; always follow the specific procedures and schedules in your official Yamaha service manual.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	100 hours or annually	Drain and inspect for water or metal; replace crush washers; torque properly.	Yamaha Lower Unit Seal Kits
Spark plugs	100 hours or annually	Inspect insulator color and gap; replace if fouled or out of spec.	Spark Plugs
Fuel filter / water-separating filter	100 hours or annually	Replace inline filter; drain/replace separator to prevent lean running.	Fuel Filters
Water pump impeller / kit	200 hours or every 2–3 seasons	Replace impeller; inspect housing, wear plate, and key for wear.	Yamaha Water Pump Repair Kits
Anodes (internal/external)	Inspect every 50 hours; replace as needed	Replace when ~50% consumed to protect aluminum castings and gearcase.	Yamaha Anodes
Oil injection system check (2‑Stroke)	Annually	Verify pump output and linkage; clean or replace tank screen/filters; bleed air.	Yamaha Service & Maintenance Kits
Propeller inspection & hub	Every 50 hours	Remove prop; check for fishing line at seals; inspect hub for slip and blades for damage.	Yamaha Propellers

Frequently Used Parts Categories

Routine Service Kits — Yamaha Service & Maintenance Kits
Cooling System — Yamaha Water Pump Repair Kits
Fuel System — Fuel Filters
Ignition / Electrical — Electrical Items
Propellers & Hubs — Yamaha Propellers
Corrosion Protection — Yamaha Anodes
Gearcase Seals — Yamaha Lower Unit Seal Kits

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale stream or overheat alarm	Inspect intake screens for debris; verify tell‑tale hose is clear; check thermostats; evaluate impeller age.	Water pump kit, thermostat(s), intake screen, tell‑tale hose
Poor acceleration or power loss	Check prop hub for slip; replace fuel filter; squeeze primer bulb; confirm throttle opens fully; verify spark on all cylinders.	Propeller/hub, fuel filter, spark plugs, fuel pump diaphragm, carb kits
Hard starting or rough idle	Verify choke/enrichment operation; check primer bulb and lines for air leaks; clean idle circuits; confirm plug gap.	Enrichment solenoid, fuel lines/bulb, carburetor kits, spark plugs
Excessive smoke (2‑Stroke)	Confirm oil ratio/oil pump setting; check for stuck choke; verify thermostat function to ensure proper warm‑up.	Oil pump components, choke/enrichment parts, thermostat(s)
Gearcase noise or metal in gear oil	Check oil level/condition; look for water intrusion; inspect prop shaft seals if fishing line was present.	Gear lube, seal kit, bearings, shims, crush washers

FAQs

Are parts interchangeable between different years or platforms?

Some hardware overlaps, but cooling, ignition, fuel, and gearcase components often differ between inline‑3, inline‑4, and V6 platforms and across production years. Always match parts to your full model code and serial to ensure compatibility.

When should I replace the water pump impeller?

As a rule of thumb, every 200 hours or 2–3 seasons, and sooner if water flow is weak or the engine has overheated. Boats used in sandy, silty, or shallow water may need more frequent service.

How often should I change the lower unit gear oil?

Inspect at 50 hours and replace at least every 100 hours or annually. If the oil appears milky (water intrusion) or has metal on the drain plug magnet, service the gearcase seals before further operation.

What information do you need to confirm part compatibility?

Provide the complete model code, serial/Primary ID from the bracket nameplate, shaft length (e.g., L/XL), and any notable features (carb vs. EFI). Photos of the nameplate and the part location also help.

Ready to find parts by horsepower, year, and model? Browse the main Yamaha outboard collection and use the Filter & Sort tools to narrow your results.

Shop Yamaha Outboard 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.