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Description
61N-45361 Lower Casing Cap Rebuild Kit for Yamaha Parsun | JLM MarineLower Casing Cap Rebuild Kit 61N 45361 Fits Yamaha & Parsun 25HP 30HP Outboards This Lower Casing Cap Rebuild Kit is engineered for Yamaha and Parsun 2 stroke and 4 stroke outboard motors rated at 25HP and 30HP. It provides a complete seal and bearing solution for the lower gearbox cap, ensuring proper lubrication retention and smooth drive operation. Compatible with brands including Yamaha, Parsun, Hidea, Seapro, HDX, and HANGKAI engines. Direct
Lower Casing Cap Rebuild Kit 61N-45361 – Fits Yamaha & Parsun 25HP 30HP Outboards
This Lower Casing Cap Rebuild Kit is engineered for Yamaha and Parsun 2-stroke and 4-stroke outboard motors rated at 25HP and 30HP. It provides a complete seal and bearing solution for the lower gearbox cap, ensuring proper lubrication retention and smooth drive operation. Compatible with brands including Yamaha, Parsun, Hidea, Seapro, HDX, and HANGKAI engines.
Direct Replacement: OEM part number 61N-45361-01-4D. Important: This kit is NOT compatible with 6L2 models. While the inner diameters of 6L2-45361-03-8D and 61N-45361-01-4D are identical, the outer diameters differ and cannot be used interchangeably.
- Complete rebuild kit with all necessary bearings, O-rings, and oil seals
- Fits both 2-stroke and 4-stroke 25HP/30HP engines (excluding 6L2 series)
- Direct bolt-on replacement for lower casing drive maintenance
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand | Part Number | Notes |
|---|---|---|
| Yamaha | 61N-45361-01-4D | OEM replacement |
| Yamaha | 6L2-45361-03-8D | NOT compatible – different outer diameter |
Compatible Engine Models
Confirm your engine model/year in the table below. For Yamaha owners, here's a guide to help you identify your engine's serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.
| Year | Model | Component |
|---|---|---|
| 1997 | C30ELRV | LOWER CASING DRIVE 1 |
| 1998 | F25ELHW | LOWER CASING DRIVE 1 |
| 1998 | F25ELRW | LOWER CASING DRIVE 1 |
| 1998 | F25ESHW | LOWER CASING DRIVE 1 |
| 1998 | F25TLRW | LOWER CASING DRIVE 1 |
| 1999 | F25ELHX | LOWER CASING DRIVE 1 |
| 1999 | F25ELRX | LOWER CASING DRIVE 1 |
| 1999 | F25ESHX | LOWER CASING DRIVE 1 |
| 1999 | F25MLHX | LOWER CASING DRIVE 1 |
| 1999 | F25MSHX | LOWER CASING DRIVE 1 |
| 1999 | F25TLRX | LOWER CASING DRIVE 1 |
| 2000 | F25ELHY | LOWER CASING DRIVE 1 |
| 2000 | F25ELRY | LOWER CASING DRIVE 1 |
| 2000 | F25ESHY | LOWER CASING DRIVE 1 |
| 2000 | F25MLHY | LOWER CASING DRIVE 1 |
| 2000 | F25MSHY | LOWER CASING DRIVE 1 |
| 2000 | F25TLRY | LOWER CASING DRIVE 1 |
| 2001 | F25ELHZ | LOWER CASING DRIVE 1 |
| 2001 | F25ELRZ | LOWER CASING DRIVE 1 |
| 2001 | F25ESHZ | LOWER CASING DRIVE 1 |
| 2001 | F25ESRZ | LOWER CASING DRIVE 1 |
| 2001 | F25ESRZ | LOWER CASING DRIVE 11 |
| 2001 | F25MLHZ | LOWER CASING DRIVE 1 |
| 2001 | F25MSHZ | LOWER CASING DRIVE 1 |
| 2001 | F25TLRZ | LOWER CASING DRIVE 1 |
| 2002 | F25ELHA | LOWER CASING DRIVE 1 |
| 2002 | F25ELRA | LOWER CASING DRIVE 1 |
| 2002 | F25ESHA | LOWER CASING DRIVE 1 |
| 2002 | F25ESRA | LOWER CASING DRIVE 1 |
| 2002 | F25MLHA | LOWER CASING DRIVE 1 |
| 2002 | F25MSHA | LOWER CASING DRIVE 1 |
| 2002 | F25TLRA | LOWER CASING DRIVE 1 |
| 2003 | F25ELHB | LOWER CASING DRIVE 1 |
| 2003 | F25ELRB | LOWER CASING DRIVE 1 |
| 2003 | F25ESHB | LOWER CASING DRIVE 1 |
| 2003 | F25ESRB | LOWER CASING DRIVE 1 |
| 2003 | F25MLHB | LOWER CASING DRIVE 1 |
| 2003 | F25MSHB | LOWER CASING DRIVE 1 |
| 2003 | F25TLRB | LOWER CASING DRIVE 1 |
| 2004 | F25ELHC | LOWER CASING DRIVE 1 |
| 2004 | F25ELRC | LOWER CASING DRIVE 1 |
| 2004 | F25ESHC | LOWER CASING DRIVE 1 |
| 2004 | F25ESRC | LOWER CASING DRIVE 1 |
| 2004 | F25MLHC | LOWER CASING DRIVE 1 |
| 2004 | F25MSHC | LOWER CASING DRIVE 1 |
| 2004 | F25TLRC | LOWER CASING DRIVE 1 |
| 2005 | F25ELHD | LOWER CASING DRIVE 1 |
| 2005 | F25ELRD | LOWER CASING DRIVE 1 |
| 2005 | F25ESHD | LOWER CASING DRIVE 1 |
| 2005 | F25ESRD | LOWER CASING DRIVE 1 |
| 2005 | F25MLHD | LOWER CASING DRIVE 1 |
| 2005 | F25MSHD | LOWER CASING DRIVE 1 |
| 2005 | F25TLRD | LOWER CASING DRIVE 1 |
| 2006 and Later | F25ELH | LOWER CASING DRIVE 1 |
| 2006 and Later | F25ELR | LOWER CASING DRIVE 1 |
| 2006 and Later | F25ESH | LOWER CASING DRIVE 1 |
| 2006 and Later | F25ESR | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LA | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LA_0112 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LA_0411 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LEA | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LEA_011 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LEA_041 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LEHA | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LEHA_04 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LEHB_01 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LMHA | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LMHA_04 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25LMHB_01 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25MLH | LOWER CASING DRIVE 1 |
| 2006 and Later | F25MSH | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SEA | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SEA_011 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SEA_041 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SEHA | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SEHA_04 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SMHA | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SMHA_01 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25SMHA_04 | LOWER CASING DRIVE 1 |
| 2006 and Later | F25TLR | LOWER CASING DRIVE 1 |
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 61N-45361-01-4D |
| Fits Engine HP | 25HP, 30HP |
| Stroke Type | 2-Stroke / 4-Stroke |
| Compatible Brands | Yamaha, Parsun, Hidea, Seapro, HDX, HANGKAI |
| Application | Lower Casing Drive |
Package Contents
This rebuild kit includes all components shown in the product images:
- 93306-00612 – BEARING × 1
- 93210-64ME7 – O-RING × 1
- 93315-22004 – BEARING × 1
- 93101-20M07 – OIL SEAL × 2
- 93210-65M50 – O-RING × 2
Note: The package contains all the parts shown in the picture.
Installation Guide
- Remove the lower unit from the outboard motor following your engine's service manual. Ensure the motor is securely supported and all gear oil is drained.
- Detach the lower casing cap from the gearbox housing by removing the mounting bolts. Inspect for corrosion or damage.
- Remove the old bearings, O-rings, and oil seals from the cap assembly using appropriate seal pullers. Clean all seating surfaces thoroughly.
- Install the new bearing 93306-00612 into the designated cavity, pressing evenly until fully seated.
- Install the second bearing 93315-22004 into its corresponding position, ensuring proper orientation.
- Lubricate the new oil seals 93101-20M07 (qty 2) with marine-grade grease and press them into their housings with the lip facing inward.
- Install O-ring 93210-64ME7 into its groove on the cap, ensuring it sits flat without twisting.
- Install the two O-rings 93210-65M50 into their respective grooves, checking for even seating.
- Reassemble the lower casing cap to the gearbox housing, applying a thin bead of marine sealant if specified by your manual. Torque bolts to manufacturer specifications.
- Refill the lower unit with the correct type and quantity of gear oil, following bleeding procedures to remove air pockets.
- Reinstall the lower unit onto the outboard motor, ensuring proper alignment of the driveshaft and water tube.
- Run the engine in a test tank or on the water, checking for leaks, unusual noise, or vibration. Verify proper gear engagement in forward, neutral, and reverse.
Troubleshooting & FAQ
Q: How do I confirm this kit fits my Yamaha or Parsun engine?
A: Cross-reference your engine model and year with the compatibility table above. Verify that your original part number matches 61N-45361-01-4D. Do not use this kit if you have a 6L2 series engine, as outer diameters differ.
Q: What are the signs that my lower casing cap seals need replacement?
A: Common symptoms include gear oil leaking from the lower unit, milky or contaminated oil indicating water intrusion, unusual noise or vibration from the gearbox, and difficulty shifting gears.
Q: Can I reuse the old bearings and seals during reassembly?
A: No. Bearings and seals are wear items that should always be replaced during lower unit service to ensure reliable sealing and prevent premature failure or water damage.
Q: How often should I inspect or replace the lower casing cap components?
A: Inspect seals and bearings annually or every 100 operating hours, whichever comes first. Replace immediately if you observe leaks, contamination, or abnormal gear operation.
Q: Is this an OEM part or an aftermarket replacement?
A: This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.
Q: How fast do you ship and how much does it cost?
A: We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.
Q: What is your warranty and return policy?
A: This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.
Important Notes
- Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
- This product is an aftermarket replacement part and is not an OEM component.
- Professional installation is recommended to ensure safety and optimal performance.
Why Choose JLM MARINE?
- Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
- Fast Global Shipping: Free delivery worldwide in 5–15 days.
- Direct from Manufacturer: Competitive pricing without compromising quality.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy