Yamaha 2-Stroke 115-130HP Outboard Engine Parts

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This page is dedicated to Yamaha 2-Stroke 115–130HP outboard engines. Use it to find compatible parts and key service information. Below you’ll find maintenance tips, common replacement parts, and troubleshooting guidance. You can also browse the main Yamaha collection anytime. 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.

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How to Identify Your 115–130HP Model

Nameplate location: Look on the port-side transom bracket or swivel bracket for the model/serial plate.
Reading the model code: Examples include C115TL, 130TX, or C115TLRU. Letters often indicate options such as T = power trim/tilt, L = 20" shaft, X = 25" shaft, and control type (remote vs. tiller).
Platform differences: These motors are carbureted 2-strokes. Most use oil-injection; a few early models may be premix. Confirm which system you have before ordering service parts.
Gearcase/shaft length: Many 115 and 130 models share similar lower units, but shaft length (L/X) and some gearcase internals vary by year. Verify before purchasing seal kits or props.

Platform Overview

Yamaha 2‑Stroke 115/130 (4‑cyl, carbureted)

Feature	Description
Configuration	Carbureted 2-stroke, 4‑cylinder, oil‑injected on most models.
Common Models	C115TL, C115TX, 130TL, 130TX (e.g., C115TLRU shown on some parts diagrams).
Advantages	Relatively light weight for the power; strong mid‑range; straightforward maintenance.
Notes	Many cooling and gearcase components are similar between 115 and 130 variants; confirm shaft length and year for propellers, seal kits, and some internal gears.

Routine Maintenance & Service Parts

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

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hrs or annually	Inspect for metal or milky oil; pressure test if water is present.	Yamaha Lower Unit Seal Kits
Spark plugs	Inspect every 50–100 hrs; replace as needed	Check gap and color; replace fouled or worn plugs.	Spark Plugs
Fuel filter / in‑line filter	Every 100 hrs or annually	Replace more often in harsh or ethanol fuel environments.	Fuel Filters
Water pump impeller/kit	Every 100 hrs or 1–2 seasons	Replace sooner if weak tell‑tale, overheating, or sandy/silty use.	Yamaha Water Pump Repair Kits
Anodes (internal & external)	Inspect often; replace when 50% depleted	Use alloy suited to your water (fresh, brackish, salt).	Yamaha Anodes
2‑Stroke oil injection system	Every 100 hrs or annually	Inspect/replace oil lines and filters; verify pump linkage and bleed after service. Premix models: confirm correct fuel/oil ratio.	Hoses

Frequently Used Parts Categories

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

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale or overheat alarm	Inspect intake screens, water pump impeller, and thermostat; verify hose isn’t kinked.	Water pump repair kit, impeller, thermostat, intake screen
Poor acceleration or power loss	Check spark plugs, fuel filter, primer bulb, and carb synchronization/cleanliness.	Spark plugs, fuel filter, fuel pump, carburetor kits
Hard starting or rough idle	Verify choke/primer operation, plug condition, and no air leaks on fuel lines.	Spark plugs, fuel lines/hoses, carb kits, starter components
Excessive smoke (2‑stroke)	Confirm correct premix or oil‑injection calibration; check for stuck choke or rich carbs.	Oil lines, filters, carburetor parts, spark plugs
Gearcase noise or metal in gear oil	Check prop shaft for line wrap, inspect drain plug magnets, and pressure/vacuum test.	Bearings, seals, shims, lower unit seal kit

FAQs

Are parts interchangeable between 115 and 130 2‑stroke models?

Many service parts (impellers, gaskets, some gearcase items) overlap, but not all. Differences in year, shaft length, and specific model codes can change components. Always confirm using the model/serial plate.

When should the impeller be replaced?

As a rule of thumb, inspect every season and replace every 1–2 seasons or 100 hours—sooner if you see a weak tell‑tale, run in sandy water, or overheat occurs.

How often should I change lower unit gear oil?

Change gear oil every 100 hours or annually. If the oil looks milky or you see water, pressure‑test the gearcase and service seals before further use.

What information do I need to confirm part compatibility?

Provide the full model code and serial number from the nameplate, shaft length (L/X), control type (remote/tiller), and approximate year range. Photos of the nameplate and the part area help ensure a correct match.

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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.