
200 – 250 HP – 76 Degree V6
May 17, 2017
150 – 200 HP 2 & 4 Stroke – V6 – 90 Degree | Replace some Yamaha 2.6L 150-225 2-Stroke & 150-200 4-Stroke (4-Cylinder)
May 17, 2017Replaces most Yamaha 90 Degree V6 2-Stroke and some inline 4 cylinder 4-Stroke engines.
Key Highlights:
- Counter Rotation (Left-hand rotation) lower unit. This product is for Counter Rotation applications only. Please do not use for Standard Rotation.
- Fits Yamaha 90 Degree V6 2-Stroke and some Inline 4 Cylinder 4-Stroke engines.
- Gear Ratio Variants:
- 1.81:1 gear ratio (Part #90-418-A25, 90-418-A25F)
- 2:1 gear ratio (Part #90-418-B25F)
- Drive Shaft: 25″ (long shaft).
- Years/Models Covered: Wide range from 1987 to 2018, including LF150XB, LF175XCA, LF200XCA, LZ200TXR, LF150XB, LF200XB, LF175XCA, LZ200TXR, LZ150TXRC, LF150TXR, LF150TXRD, L200TXRS, L200TXRR, L200ETXD, 150TXRW, 150TXRU, L150TXRV, L200TXRV, L150ETXG, L200ETXG, L150ETXH, L200ETXH and more.
- Warranty: Presumed same 3 years as other products.
Looking for a reliable and durable Yamaha 150 HP counter rotation lower unit? This aftermarket replacement lower unit is built to meet or exceed OEM standards for Yamaha 90-degree V6 2-stroke and inline 4-cylinder 4-stroke engines, covering a wide range of 150 HP, 175 HP, and 200 HP counter rotation outboards. This reliable Yamaha 150 counter rotation lower unit OEM compatible. And on top of that this counter rotation Yamaha 4-stroke lower unit replacement is designed for a wide range of models, including the popular Yamaha LF150XB lower unit replacement, and also fits larger engines like the Yamaha 200 HP V6 counter rotation lower unit models. Whether you own a Yamaha 90 degree V6 2-stroke lower unit counter rotation or an inline 4-cylinder 4-stroke, this unit offers perfect fit and high durability. It comes in both 1.81:1 gear ratio Yamaha lower unit and 2:1 gear ratio Yamaha lower unit configurations, making it easy to match the performance needs of your outboard. Featuring a Yamaha 150 counter rotation drive shaft 25″, this counter rotation replacement lower unit arrives fully assembled and ready to install, giving boat owners an affordable, high-quality solution to get back on the water fast.
Whether you’re powering a V6 Yamaha 200 HP counter rotation 2-stroke or need a 4-stroke 150 HP counter rotation Yamaha lower unit replacement, this unit is designed for smooth performance and long-lasting durability.
This lower unit comes fully assembled — including gears, water pump, shift shaft, and driveshaft — and is ready to install. It is available with both 1.81:1 and 2:1 gear ratios, paired with a 25″ long drive shaft, covering popular part numbers like 90-418-A25, 90-418-A25F, and 90-418-B25F.
Perfect for models like LF150XB, LF200XB, LF175XCA, LZ200TXR, LZ150TXRC, and many older Yamaha counter rotation models, this unit is built to handle both freshwater and saltwater environments with corrosion-resistant materials and a paintable black primer finish.
Backed by a 3-year warranty, this unit gives you confidence on the water, knowing you’re protected against manufacturing defects.
Key Features & Benefits
Feature | Benefit |
---|---|
Counter Rotation (Left-Hand Rotation) | Essential for twin-engine setups needing left-hand turning propellers. |
Fits 150, 175, 200 HP Yamaha Outboards | Wide compatibility for V6 and inline 4-cylinder models. |
Available Gear Ratios: 1.81:1 & 2:1 | Match original performance for different Yamaha models. |
25″ Long Drive Shaft | Direct fit for standard long-shaft Yamaha outboards. |
Fully Assembled & Ready to Install | Includes driveshaft, shift shaft, water pump, and gears. |
OEM Fit & Functionality | Matches Yamaha’s original lower units for seamless installation. |
Black Primer Finish (Paintable) | Ready to paint and match with your existing outboard. |
3-Year Warranty | Industry-leading protection and peace of mind. |
⚙️ Compatibility List (Select Models Covered)
- LF150XB, LF150XA, LF150TXR, LF150TXRD, LF150TXRC
- LF175XCA, LF200XB, LF200XCA, LF200TXR
- LZ200TXR, LZ150TXRC, L200TXRX, L150TXRX
- L200TXRS, L200TXRR, L200ETXD, L200ETXG, L150ETXH
- Older V6 2-stroke counter rotation: L150TXRU, L200TXRU, L150TXRW, L200TXRW
- Part Numbers: 90-418-A25, 90-418-A25F, 90-418-B25F
Note: Always verify gear ratio and shaft length before ordering.
Product Comparison Table
Feature / Spec | Our Yamaha Aftermarket Lower Unit | OEM Yamaha Lower Unit |
---|---|---|
Fitment | Yamaha 150-200 HP V6 2-stroke & inline 4-stroke (Counter Rotation) | Yamaha 150-200 HP V6 2-stroke & inline 4-stroke (Counter Rotation) |
Rotation | Counter (Left-Hand) | Counter (Left-Hand) |
Gear Ratio Options | 1.81:1 and 2:1 | 1.81:1 and 2:1 |
Drive Shaft Length | 25″ | 25″ |
Fully Assembled (Ready to Install) | ✅ Yes (Includes gears, water pump, shift shaft, driveshaft) | ✅ Yes |
Paint Finish | Black primer (paintable to match Yamaha colors) | Factory Yamaha paint (gray) |
Warranty | 3 Years | Typically 1 Year (OEM warranty) |
Corrosion Resistance | ✅ Yes (Saltwater and freshwater rated) | ✅ Yes |
Cost Savings vs OEM | ⚡ Significant (High-quality aftermarket alternative) | ❌ Expensive (OEM direct only) |
Availability | Usually in stock & ready to ship | Limited availability, high lead times |
Why Choose This Counter Rotation Lower Unit?
- Built to last in harsh marine environments — reinforced for both 2-stroke and 4-stroke counter rotation models.
- ⚙️ Available in OEM-matching gear ratios — 1.81:1 and 2:1 to suit all major Yamaha setups.
- ️ Exact OEM fit — no modifications needed for models like LF150XB, LF200XB, LF175XCA, and LZ200TXR.
- Save thousands over OEM pricing — without compromising on performance or warranty.
- Paint-ready finish — match your motor’s color perfectly.
- ✅ 3-Year Warranty — giving you unmatched peace of mind and value.
Counter Rotation Yamaha 4-Stroke 150-200 HP Lower Unit | Heavy-Duty OEM Replacement
❓ 1. Does this lower unit fit Yamaha LF150XB 4-stroke counter rotation engines?
✅ Yes! This counter rotation Yamaha lower unit is a direct fit for LF150XB models from 2011 to 2018. It comes fully assembled with a 25″ drive shaft and gear ratio (2:1 or 1.81:1 depending on part number) to match OEM performance.
❓ 2. Is this lower unit compatible with Yamaha 90-degree V6 2-stroke engines like L200TXRX and L150TXRX?
✅ Absolutely! This counter rotation Yamaha lower unit replaces original units on 90-degree V6 2-stroke outboards like L200TXRX, L150TXRX, and many others, offering OEM-spec fit and durability.
❓ 3. Can I use this lower unit for Yamaha LF200XCA and LF175XCA models?
✅ Yes! If you’re running a Yamaha LF200XCA or LF175XCA (2013–2018), this counter rotation lower unit (part #90-418-A25F) with 1.81:1 gear ratio and 25″ drive shaft is fully compatible.
❓ 4. Is this lower unit compatible with Yamaha LZ200TXR and LZ150TXRC counter rotation models?
✅ Yes! This heavy-duty Yamaha lower unit is a direct replacement for LZ200TXR (2006-2012), LZ150TXRC (2004), and similar counter rotation V6 models, delivering smooth and reliable performance.
❓ 5. Does this lower unit fit Yamaha LF150TXR and LF150TXRD 4-stroke models?
✅ Yes, this lower unit is perfect for Yamaha LF150TXR and LF150TXRD 150HP counter rotation outboards (2005-2011), available in both 2:1 and 1.81:1 gear ratios based on your specific needs.
❓ 6. Is this a suitable replacement for Yamaha 150TXRW and 150TXRU?
✅ Yes! If you’re running older Yamaha 150TXRW (1998) or 150TXRU (1996) V6 counter rotation outboards, this unit will fit without modification, giving new life to your boat.
❓ 7. Can I use this lower unit for Yamaha 200HP models like L200TXRS, L200TXRR, and L200ETXD?
✅ Definitely! This unit covers many counter rotation Yamaha 200HP V6 outboards, including L200TXRS, L200TXRR, L200ETXD, and more, as long as you’re matching the gear ratio and drive shaft size.
❓ 8. Does this lower unit come pre-painted or paintable to match my Yamaha engine?
✅ This counter rotation lower unit comes in black primer finish, so you can paint it to match your Yamaha outboard color for a seamless look.
❓ 9. What’s the difference between part number 90-418-A25 and 90-418-B25F?
✅ Great question!
- 90-418-A25 (1.81:1 gear ratio) is for many V6 2-stroke and some early 4-stroke models.
- 90-418-B25F (2:1 gear ratio) fits newer LF150XB 4-stroke counter rotation outboards.
Be sure to match gear ratio and drive shaft length with your original unit for proper fitment.
❓ 10. Does this lower unit support both freshwater and saltwater use?
✅ Yes! This Yamaha aftermarket lower unit is engineered for saltwater and freshwater durability, built from corrosion-resistant materials.
❓ 11. Is this lower unit under warranty?
✅ Yes! It comes with an industry-leading 3-Year Warranty, covering manufacturing defects, materials, and workmanship, so you can order with confidence.
❓ 12. Can I install this Yamaha counter rotation lower unit myself?
✅ If you have moderate mechanical skills, you can install this unit yourself. However, professional installation is recommended to ensure proper alignment and optimal performance.
❓ 13. Will this lower unit work for Yamaha inline 4-cylinder 4-stroke counter rotation engines?
✅ Yes! Select inline 4-cylinder 4-stroke Yamaha outboards, like LF150XA, LF150XB, and LF200XB, are fully compatible. Always confirm your gear ratio and shaft length when ordering.
❓ 14. What gear ratio does my Yamaha LF200XB use for counter rotation?
✅ The Yamaha LF200XB (2012-2018) typically uses 1.81:1 gear ratio, which matches part #90-418-A25F. Always verify before purchase to ensure exact compatibility.
❓ 15. Can this replace Yamaha 1987-1990 counter rotation models like L150ETXG and L200ETXH?
✅ Yes! This is a perfect replacement for older Yamaha 150-200 HP counter rotation models, including L150ETXG, L200ETXG, L150ETXH, L200ETXH, when matched with proper ratio and shaft size.
Note: Some of the lower units may be on Back-order. Please confirm the ETA first by emailing, calling or texting us If you need it delivered soon.
Technical table for part number 90-418-A25 (1.81:1 gear ratio and 25″ drive shaft)
YEAR | ENGINE MODEL NUMBER |
2012 | LZ200TXR |
2011 | LZ200TXR |
2010 | LZ200TXR |
2009 | LZ200TXR |
2008 | LZ200TXR |
2007 | LZ200TXR |
2006 | LZ200TXR |
2005 | LZ150TXRD |
2005 | LZ200TXRD |
2004 | LZ150TXRC |
2004 | LZ200TXRC |
2003 | LZ150TXRB |
2003 | LZ200TXRB |
2002 | LZ150TXRA |
2002 | LZ200TXRA |
2001 | LZ150TXRZ |
2001 | LX200TXRZ |
2001 | LZ200TXRZ |
2001 | LX150TXRZ |
2000 | LX200TXRY |
2000 | LZ150TXRY |
2000 | LX150TXRY |
2000 | LZ200TXRY |
1999 | L200TXRX |
1999 | LX200TXRX |
1999 | L150TXRX |
1999 | LX150TXRX |
1998 | L200TXRW |
1998 | L150TXRW |
1997 | L200TXRV |
1997 | L150TXRV |
1996 | L200TXRU |
1996 | L150TXRU |
1995 | L150TXRT |
1994 | L150TXRS |
1994 | L200TXRS |
1993 | L150TXRR |
1993 | L200TXRR |
1992 | L150TXRQ |
1992 | L200TXRQ |
1991 | L150TXRP |
1991 | L200TXRP |
1990 | L150ETXD |
1990 | L200ETXD |
1989 | L150ETXF |
1989 | L200ETXF |
1988 | L150ETXG |
1988 | L200ETXG |
1987 | L150ETXH |
1987 | L200ETXH |
1987 | L150ETXJ |
1987 | L200ETXJ |
Technical table for part number 90-418-B25F (2:1 gear ratio and 25″ drive shaft)
YEAR | ENGINE MODEL NUMBER |
2018 | LF150XB |
2017 | LF150XB |
2016 | LF150XB |
2015 | LF150XB |
2014 | LF150XA |
2013 | LF150XA |
2012 | LF150XA |
2011 | LF150TXR |
2010 | LF150TXR |
2009 | LF150TXR |
2008 | LF150TXR |
2007 | LF150TXR |
2006 | LF150TXR |
2005 | LF150TXRD |
2004 | LF150TXRC |
Technical table for part number 90-418-A25F (1.81:1 gear ratio and 25″ drive shaft)
YEAR | ENGINE MODEL NUMBER | DRIVE SHAFT |
2018 | LF175XCA | 25 |
2018 | LF200XCA | 20 |
2018 | LF200XB | 25 |
2017 | LF175XCA | 25 |
2017 | LF200XCA | 25 |
2017 | LF200XB | 25 |
2016 | LF200XCA | 25 |
2016 | LF200XB | 25 |
2015 | LF200XCA | 25 |
2015 | LF200XB | 25 |
2014 | LF200XCA | 25 |
2014 | LF200XB | 25 |
2013 | LF200XCA | 25 |
2013 | LF200XB | 25 |
2012 | LF200XB | 25 |
Ratio/Shaft/Engine | 1.86/25" shaft/2-stroke, 2.00/25" shaft/4-stroke, F200/F175/4 Cycle/1.86 4 stroke/25" shaft |
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