Genuine Tohatsu crank pin 309-00061-1 replacement | 4Boats
309-00061-1
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Crank Pin 309-00061-1
Genuine Tohatsu Marine Replacement Part
Restore your outboard's engine integrity with this **Genuine Tohatsu Crank Pin (309-00061-1)**. This critical internal component is responsible for connecting the connecting rod to the crankshaft, ensuring the reciprocating motion of the piston is converted into rotational energy with minimal friction and maximum reliability.
Key Features
- β **Genuine OEM Part:** Direct from Tohatsu Japan
- β **Hardened Steel:** Engineered for high RPM durability
- β **Precise Tolerances:** Ensures correct bearing clearance
- β **Direct Fit:** Exact replacement for 2-stroke models
Technical Specs
| Manufacturer | Tohatsu |
| Part Number | 309-00061-1 |
| Engine Type | 2-Stroke |
| Material | High-Strength Alloy Steel |
Compatibility / Fitment Guide
| Make / Brand | Model / Horsepower | Notes |
|---|---|---|
| Tohatsu Outboard | M2.5A, M2.5A2, M3.5A, M3.5A2, M3.5B, M3.5B2 | 2-Stroke Models |
| Nissan Marine | NS2.5A, NS2.5A2, NS3.5A, NS3.5A2, NS3.5B, NS3.5B2 | Identical to Tohatsu |
| Mercury / Mariner | 2.5HP / 3.3HP (2-Stroke) | Check SN for Tohatsu-origin engines |
OEM Cross Reference
| Tohatsu Previous Version | 309-00061-0 / 309000610M |
| Nissan Reference | 309-00061-1 / 309000611 |
Questions & Answers
Is this a genuine original part?
Yes, this is a brand-new, genuine Tohatsu OEM replacement part, not an aftermarket imitation.
Does this include the needle bearing?
No, this listing is for the **crank pin only**. The big-end needle bearing (Tohatsu P/N 309-00043-0 or 309-00042-0) is sold separately.
How do I know if this fits my engine?
This part is specifically for the 2.5HP and 3.5HP **2-stroke** models. If your engine is a 4-stroke (MFS series), this part will not fit.
Note: Professional installation is recommended for internal engine components. Please verify your original part number or engine serial number before purchase at 4boats.co.uk.
For the products under Β£150 the shipping is Β£6.99.
Free delivery for most items over Β£150.
