150 – 200 HP Counter Rotation – 90 Degree

Replaces 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

⚙️ 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

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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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.

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❓ 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