Water Pump Kit 61A-W0078-A2 for Yamaha 150 175 200 225 250 HP 2-Stroke 4-Stroke
Water Pump Kit 61A-W0078-A2 for Yamaha 150 175 200 225 250 HP 2-Stroke 4-Stroke
Product Overview
Complete water pump kit with housing for Yamaha 150 to 250 HP two-stroke and four-stroke outboards, replacing kit 61A-W0078-A2 and 61A-W0078-A3. The kit contains the impeller, impeller key, pump gasket, four bolts, water pump housing, insert cup, wear plate, two O-rings, two dowel pins and four bolt washers. It fits 150A, 150F, 150J, 175D, 200A, 200F, 200H, 200J, 225D, 225F, 225G, 250A, 250B and 250G two-strokes, plus F150A, F150B, F150D, F175A, F200A, F200C, F200F, F200G, F225A, F225B and F250A four-strokes. Rebuild the pump when the tell-tale weakens, the engine runs hot or the impeller is cracked, set or missing blades.
Specifications & Attributes
| Specification | Detail |
|---|---|
| Condition | New / New with tags |
| Type | Outboard Water Pump Kit with Housing |
| Horsepower | 150, 175, 200, 225, 250 HP |
| Engine | Yamaha 2-stroke and 4-stroke |
| Quantity | 1 complete pump kit |
| Fasteners | 4 bolts + 4 washers |
| Packaging Size | 16 x 12 x 9 cm (6.3 x 4.7 x 3.5 in) |
OEM Cross Reference
| Brand | OEM Part Numbers |
|---|---|
| Yamaha | 61A-W0078-A2, 61A-W0078-A3 |
| Sierra | 18-3395 |
Compatible Engines
| Brand | Type | Horsepower | Models / Years |
|---|---|---|---|
| Yamaha | 2-Stroke | 150 HP | 150A 1998-2013, 150F 1997-2013, 150J 2001-2005 |
| Yamaha | 2-Stroke | 175 HP | 175D 1997-2005 |
| Yamaha | 2-Stroke | 200 HP | 200A 2003-2014, 200F 1997-2012, 200H 2003, 200J 2001-2005 |
| Yamaha | 2-Stroke | 225 HP | 225D 1997-2009, 225HP-225F 2002-2003, 225G 2002-2003 |
| Yamaha | 2-Stroke | 250 HP | 250A 1997-2006, 250B 2003, 250G 2006-2013 |
| Yamaha | 4-Stroke | 150 HP | F150A 2004-2014, F150B 2015 and up, F150D 2015 and up |
| Yamaha | 4-Stroke | 175 HP | F175A 2014 and up |
| Yamaha | 4-Stroke | 200 HP | F200A 2002-2011, F200C/F200F/F200G 2013 and up |
| Yamaha | 4-Stroke | 225 HP | F225A 2002-2011, F225B 2007 and up |
| Yamaha | 4-Stroke | 250 HP | F250A 2005-2006 |
What's Included
| Component | Qty |
|---|---|
| Water Pump Impeller | 1 |
| Impeller Key | 1 |
| Water Pump Gasket | 1 |
| Bolt | 4 |
| Water Pump Housing | 1 |
| Insert Cup | 1 |
| Wear Plate | 1 |
| O-Ring | 2 |
| Dowel Pin | 2 |
| Bolt Washer | 4 |
Condition & Warranty
| Item | Detail |
|---|---|
| Condition | New / New with tags |
| Warranty | Standard |
| Packaging | Sealed retail packaging |
Before You Buy
- Confirm your model and year match the table above
- This is a complete pump kit with housing, not an impeller-only listing
- Inspect the driveshaft and pump cup area while the housing is off
- Fit every O-ring, dowel and gasket in the kit
- 30-Day Easy Returns
- Free Worldwide Shipping
Couldn't load pickup availability
Boat Owners' Review
Before You Buy
Frequently Asked Questions
What is your refund policy?
We offer a 14-day hassle-free return on all products. Items must be unused and in original packaging. Every XRmarine part is also covered by our 1-year warranty against manufacturing defects. If something is not right, email us at info@xrmarineparts.com — replacement or full refund, your choice.
See our full Refund Policy for complete details.
How does shipping work?
Free international shipping on every order — no minimums. We operate a global warehouse network with a main distribution centre in Asia (10-20 business days). We also hold stock in regional warehouses across the United States, Germany, the United Kingdom, Australia, and Poland (opening soon) — most orders arrive in 1-3 business days within those countries and in 2-8 business days to nearby regions. Tracking included.
See our full Shipping Policy.
How do you keep prices fair?
We cut out the middlemen. XRmarine sources directly from quality manufacturers and sells at honest prices. Same OEM-quality parts, no dealership markup. Every order comes with free shipping, real expert support, and a 1-year warranty.
Learn more on our About Us page.
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We currently accept PayPal — a fast, secure way to pay online. Credit card payments (Visa, Mastercard, American Express) and Shopify Payments are being set up and will be available soon. We appreciate your patience.