QuickMarine 2-Stroke 30HP Outboard Marine Engine

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This page supports owners of QuickMarine 2‑Stroke 30HP outboard engines. Use it to find compatible parts, routine service guidance, and troubleshooting tips. You can also browse our main Tohatsu collection (many 30HP two‑stroke platforms share Tohatsu‑pattern components). Scroll to the bottom to start browsing parts for this engine. On the collection page, use the “Filter & Sort” controls to narrow by horsepower, year range, and part category/section.

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How to Identify Your 30HP Model

Nameplate location: Check the ID/serial plate on the transom bracket or swivel bracket. It lists model code, serial number, and shaft length.
Decoding model codes: Two‑strokes commonly use suffixes for features—E = electric start, R = remote control, T = tiller, S = 15" short shaft, L = 20" long shaft. A combination of letters/numbers indicates configuration and sometimes year/region.
Control and start type: Note whether your engine has a tiller handle or remote controls, and manual vs. electric start—these affect harnesses, control boxes, and charging components.
Charging system: Many 30HP two‑strokes add a 12V charging alternator on electric‑start variants; verify if yours is so equipped before ordering electrical parts.

Engine Overview

30HP 2‑Stroke Twin Platform

Feature	Description
Configuration	Carbureted inline 2‑cylinder 2‑stroke, displacement around 429 cc, manual or electric start, tiller or remote control options.
Common Models	Short‑shaft (15") and long‑shaft (20") variants with codes that may include S/L (shaft), E (electric start), and remote/tiller designations.
Advantages	Light weight, simple design, strong mid‑range torque, widely supported service parts.
Notes	Premix fuel at the ratio specified for your model (commonly 50:1 with TC‑W3 oil) unless equipped with oil‑injection. Typical propeller range is 8"–14" pitch. Some electric‑start versions include a 12V charging output.

Routine Maintenance & Service Parts

Intervals below are general guidelines for a 30HP two‑stroke and may vary. Always follow your official service manual for your exact model and operating conditions.

Item	Interval*	Remarks	Parts Link
Gear oil (lower unit)	Every 100 hours or annually	Inspect for water or metal. Replace drain/fill gaskets; reseal if milky oil is found.	Tohatsu Lower Unit Seal Kits
Spark plugs	Inspect 50 hours; replace annually or as needed	Use correct heat range and gap; replace if fouled or worn.	Spark Plugs
Fuel filter (inline)	100 hours or at signs of restriction	Replace the inline filter; drain any water separator if equipped.	Fuel Filters
Water pump impeller / kit	Every season or 200 hours	Shorten interval for sandy/silty water or weak tell‑tale stream.	Tohatsu Water Pump Repair Kits
Anodes (internal/external)	Inspect 50 hours; replace at ~50% loss	Match anode material to water type (salt/brackish/fresh).	Anodes
Thermostat	Inspect every 2 years; replace if sticking/overheating	Maintains correct operating temperature for performance and longevity.	Tohatsu Outboard Parts
Propeller & hardware	Inspect routinely; replace if bent, chipped, or slipping	Remove fishing line; verify proper pitch for target RPM.	Propellers
Fuel/oil mixing (2‑stroke)	Each fill‑up	Use fresh fuel (typically 87 octane) and TC‑W3 2‑stroke oil at the specified ratio (often 50:1). Service oil‑injection if equipped.	Tohatsu Outboard Parts

Frequently Used Parts Categories

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

Common Symptoms & Quick Checks

Symptom	Check First	Related Parts
Weak tell‑tale stream or overheat alarm	Inspect intake screen for debris; check impeller condition and housing; verify thermostat operation.	Water pump kit, thermostat, intake screen grommets
Hard starting or rough idle	Prime fuel system; confirm fresh fuel and correct oil mix; inspect/replace spark plugs; clean/adjust carburetors.	Spark plugs, inline fuel filter, carburetor rebuild components
Poor acceleration or power loss	Check propeller damage or wrong pitch; verify compression; look for fuel restriction and fouled plugs.	Propeller, fuel filter, spark plugs
Excessive smoke (2‑stroke)	Confirm correct oil ratio; replace fouled plugs; ensure engine reaches operating temp.	Spark plugs, thermostat, carburetor tuning parts
Gearcase noise or metal in gear oil	Change gear oil and inspect; check for fishing line at prop shaft; pressure test seals.	Lower unit seal kit, propeller hardware, drain/fill gaskets

FAQs

Are parts interchangeable across different years or platforms?

Many routine service items are shared across 30HP two‑stroke twins, but ignition, carburetion, and propeller fitment can vary by year, shaft length, and control type. Use the model code and serial number to confirm before ordering.

When should I replace the water pump impeller?

As a rule of thumb, replace the impeller every 1 season or 200 hours. In sandy/silty or weedy water, shorten the interval. If the tell‑tale weakens or you overheat, service the pump immediately.

How often should lower unit gear oil be changed?

Change every 100 hours or annually, and anytime the gearcase has an impact or shows signs of water intrusion (milky oil). Replace drain/fill gaskets at each service.

What information helps confirm part compatibility?

Provide the model code, serial number, shaft length (S/L), start type (manual/electric), control type (tiller/remote), and charging system details. Photos of the nameplate and the part area help avoid returns.

Ready to shop? Browse the main Tohatsu collection by horsepower, year, and model to find compatible parts for your 30HP two‑stroke platform.

Shop Tohatsu 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.