Mercury 205
$1,095.00
Mercury 205 Outboard Lower Unit
SUPERIOR QUALITY: Mercury 205 outboard lower unit offers the best products at affordable prices. We assure you that our products are of superior quality and brilliantly polished with a seamless design.
GREAT PERFORMANCE: Mercury 205 lower units are manufactured with high-quality materials resulting in better performance and efficiency. As a result, it can perform even in the most extreme water conditions.
MUST CHECK: Lower unit mercury 205 is an excellent product. Before buying this, you have to verify some specifications of your engine such as Lower units gear ratio, engine type, two-stroke carb, DFI (Direct Fuel Injection), or 4-stroke and shaft length.
SHAFT LENGTH: Mercury 205 lower unit is an efficient lower unit. Before ordering, you must verify your shaft length. Your model # can tell you the shaft size. An L is a 20″, and an XL is a 25″. There is also an LL model, which is a 22.5 Inch Shaft. We do not offer this shaft size.
SUITABLE FOR: Mercury 205 lower unit is perfect for most 3 & 4 Cylinder 2-Stroke 1987 and newer 70-125 HP engine also fits most of the 75-115 HP 4-Stroke below Serial #OT801000. And this unit will also work with a 4-1/4 bullet diameter.
DOSEN’T FIT FOR: Mercury 205 outboard lower unit will not fit the model with a plastic water pump housing and three jaws lower unit unless you change the shift shaft in the midsection.Mercury 205 Outboard Lower Unit Features:
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- Replaces most 3&4 Cylinder 2-Stroke 1987 and newer 70-125 HP
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- Also replaces most 75-115 HP 4-Stroke below Serial #OT801000.
- This unit will not replace a 3 jaw lower unit unless you also change the shift shaft in the midsection.
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- This unit will only work if you have a 4-1/4 bullet diameter.
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- This unit will not replace models with a plastic water pump housing.
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- You must verify your Gear Ratio. See Table 1 Below
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- 2.31 ratio is no longer available. 2.33 is the proper replacement.
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- You must verify your engine type, Two Stroke Carb, DFI (Direct Fuel Injection), or 4-stroke.
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- You must verify your shaft length. See Figure 1 below.
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- Your model # can also tell you the shaft size. An L is a 20″ and an XL is a 25″. If in doubt, please verify.
- There is also an LL model which is a 22.5 Inch Shaft. We do not offer this shaft size.
Table 1(Below):
| Gear ratio | Pinion tooth count | Fwd. and Rev. tooth count |
| 2.07 | 14 | 29 |
| 2.31 (NLA Use 2.33) | 13 | 30 |
| 2.33 | 12 | 28 |
Figure 1(Below):
| Ratio/Type/Shaft |
2.07/2-Stroke Carb/20" ,2.07/2-Stroke Carb/25" ,2.07/2-Stroke DFI/20" ,2.07/2-Stroke DFI/25" ,2.07/4-Stroke/20" ,2.07/4-Stroke/25" ,2.33/2-Stroke Carb/20" ,2.33/2-Stroke Carb/25" ,2.33/2-Stroke DFI/20" ,2.33/2-Stroke DFI/25" ,2.33/2stroke 50-60HP Bigfoot/20" ,2.33/4-Stroke/20" ,2.33/4-Stroke/25" ,2.33/4stroke 30-50HP Bigfoot/20" ,2.33/4stroke 40-60HP Bigfoot/20" ,2.33/4stroke 40-60HP Bigfoot/25" |
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