Parsun 2-3HP 2-Stroke Outboard Marine Engine Parts
(2 products)This page is for Parsun 2–3HP 2‑Stroke outboard engines. Use it to find compatible parts and service information, including maintenance tips, frequently used replacement parts, and troubleshooting guidance. You can also browse our main Parsun‑compatible categories. Scroll to the bottom of the page to start browsing parts for this engine. On collection pages, use the Filter & Sort controls to narrow results by horsepower, year range, and part category/section.
Shop Service & Maintenance KitsHow to Identify Your 2–3HP Model
- Nameplate/serial plate location: typically on the clamp bracket or swivel bracket on the port side. Record the full model code and serial number.
- Reading the model code: examples like T2BMS (2HP) or T3.6BM/TC3.6BM (3.6HP). Suffixes commonly indicate shaft length (S = short), start/control type (M = manual tiller).
- Platform differences: these are small, single‑cylinder 2‑Stroke models. The 2HP and 3–3.6HP share many service items but may differ in gearcase, cowling, or intake components.
- Visual cues: cowl decals and carb/intake size help distinguish 2HP vs 3.6HP. Confirm by comparing the exact model code on the nameplate.
Platform Overview
Parsun 2–3.6HP 2‑Stroke (Small Single‑Cylinder)
| Feature | Description |
|---|---|
| Configuration | Single‑cylinder, water‑cooled, carbureted 2‑Stroke outboards (manual start, tiller steering). |
| Common Models | T2BMS (2HP); T3.6BM / TC3.6BM (3.6HP). Exact availability varies by market/year. |
| Advantages | Lightweight, simple to service, good portability, straightforward carburetion and ignition. |
| Notes | Many routine service parts (impeller, plugs, anodes) overlap across 2–3.6HP, but gearcase and cowling parts may be model/year specific. Always confirm by model code and serial number. |
Routine Maintenance & Service Parts
Intervals below are general guidelines for small 2‑Stroke outboards. Always follow the procedures and schedules in your official service manual.
| Item | Interval* | Remarks | Parts Link |
|---|---|---|---|
| Gear oil (lower unit) | 100 hours or annually | Inspect for water intrusion (milky oil). Replace drain/fill gaskets. | Lower Unit Seal Kits |
| Spark plug(s) | 100 hours or annually | Check gap and insulator color; replace if fouled or worn. | Spark Plugs |
| Fuel filter / in‑line strainer | 50–100 hours | Replace or clean to prevent fuel starvation and hard starting. | Fuel Filters |
| Water pump impeller/kit | 2 seasons or 200 hours (sooner in sandy/muddy water) | Weak tell‑tale or overheat indicates impeller or housing wear. | Water Pump Impeller Kits |
| Anodes (external/internal) | Inspect every 50 hours; replace when 50% consumed | Essential for corrosion protection in salt and brackish water. | Anodes |
| Propeller & hardware | Inspect every outing | Check for bent blades, fishing line at seal, and secure cotter pin. | Propellers |
| 2‑Stroke fuel/oil premix | Every refuel | Use fresh fuel and TC‑W3 oil at the ratio recommended for your model (commonly 50:1). If oil‑injected, inspect hoses and pump operation. | Fuel/Oil Hoses |
*Intervals are typical for small 2‑Stroke outboards used in recreational service. Adjust for heavy use or harsh conditions.
Frequently Used Parts Categories
- Routine Service Kits – Service & Maintenance Kits
- Cooling System – Water Pumps and Impeller Kits
- Fuel System – Fuel Filters and Fuel Pumps
- Ignition / Tune‑Up – Spark Plugs and Electrical Items
- Propellers & Protection – Propellers and Propeller Guards
- Corrosion Protection – Anodes
- Lower Unit Sealing – Lower Unit Seal Kits
Common Symptoms & Quick Checks
| Symptom | Check First | Related Parts |
|---|---|---|
| Weak tell‑tale or overheat alarm | Intake screen for blockage, impeller wear, thermostat sticking | Water pump impeller kit, pump housing, gaskets, thermostat |
| Poor acceleration or power loss | Prop damage/slip, clogged fuel filter/jet, old fuel, exhaust leaks | Propeller, fuel filter, spark plug, carb service parts |
| Hard starting / rough idle | Stale fuel, fouled plug, air leaks at fuel connectors/hoses, incorrect choke | Spark plug, fuel connector, fuel hoses, primer bulb |
| Excessive smoke (2‑Stroke) | Mix ratio too rich, choke stuck on, low engine temperature | Correct premix (e.g., 50:1 TC‑W3), spark plug heat range, thermostat |
| Gearcase noise or metal in gear oil | Low gear oil, water contamination, fishing line at prop shaft seal | Lower unit seal kit, bearings, drain/fill gaskets, prop shaft hardware |
FAQs
Are parts interchangeable between 2HP and 3–3.6HP Parsun 2‑Stroke models?
Many routine service items (impellers, spark plugs, anodes) cross over, but gearcase, cowling, and some intake/ignition pieces can be model‑specific. Verify by model code, serial number, and shaft length.
When should I replace the impeller?
As a preventive measure every 2 seasons or about 200 hours. Replace sooner if the tell‑tale weakens, the engine overheats, or if you routinely operate in sandy or silty water.
How often should I change lower unit gear oil?
Inspect at 50–100 hours and replace at least annually. If oil looks milky or you find metal debris, service seals and investigate before further use.
What information do you need to confirm part compatibility?
Please provide the full model code (e.g., T2BMS or TC3.6BM), serial number, shaft length (S/L), and a clear photo of the nameplate and the part/area you’re servicing.
Ready to find parts for your Parsun 2–3HP 2‑Stroke? Browse our service and maintenance collections, then filter by category to zero in on the items you need.
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SeaSierra
Aftermarket Water Pump Impeller for Select Yamaha 2.5–3 HP Outboards – Replaces 6L5-44352-00-00
Regular price $39.50Unit priceSeaSierra
Regular price $17.05Unit price