Engine - Mercruiser, 5.7L, Carb, Alpha (#MercBob-57LTKS-A)
PRICE:
$6,249.00
Part #: MercBob-57LTKS-A
This product is no longer available.
A new 5.7L Mercruiser carbureted bobtail engine to be used with an Alpha sterndrive.
For factory installed engine options, see the table below.
Click here to go to the shim kit that is necessary to mount all new Mercruiser bobtail engines.
An adapter is required when repowering a boat and replacing an engine that had the old style 10 pin connector used up through approximately 2006. Click here to go the adapter.
| Specifications | |
| Power | 250 HP (186 kW) |
| Full Throttle Range | 4400 - 4800 RPM |
| Displacement | 350 CID (5.7L) |
| Engine Type | V8 |
| Bore & Stroke | 4.00" X 3.48" (101mm X 88mm) |
| Compression Ratio | 9.4:1 |
| Fuel Requirement | 87 Octane (R+M)/2 |
| Fuel System | 2V Carb with Turn Key Start & Electric Fuel Pump |
| Induction System | Dual Plane Iron Intake Manifold |
| Ignition System | Thunderbolt V with Knock Control |
| Charging System | 65 Amp/917 Watt Alternator |
| Water Drain System | Multi Point Drain - Hand Removable Blue Drain Plugs |
| Exhaust System | EDP Coated Iron Manifold with EDP Coated Dry-joint Elbow |
| Cooling System | Thermostatically Controlled, Raw Water |
| Accessory Drive System | Serpentine Belt |
| Recommended Engine Oil | MerCruiser Full Synthetic Engine Oil - SAE 20W-40 |
| Engine Guardian System | Low Oil Pressure, High Coolant Temperature, Low Drive Lube |
| Dimensions (LxWxH) in | 32 x 30 x 22 |
| Dimensions (LxWxH) mm | 814 x 740 x 559 |
| Weight w/ Alpha (lbs./kg) | 946/430 |
| Weight w/ Bravo One (lbs./kg) | 987/449 |
| Weight w/ Bravo Two (lbs./kg) | 1004/456 |
| Weight w/ Bravo Three (lbs./kg) | 1013/460 |
| Optional Freshwater Cooling | Kit |
| Options | |
| Alpha Counter Rotation | MercOptACR-1 |
| Compact Hydraulic Steering | MercOptCHS-1 |
| 3" Riser | MercOpt4R-1 |
Go here to see our Mercruiser sterndrive rigging.
This engine comes with a limited 3 year corrosion warranty.
Select the following link to add the required Mercruiser Refundable Container Deposit to your cart. This Product/Container Deposit must be added to your cart when purchasing any Mercruiser Engine or Engine Package products. This deposit will be refunded after the container is returned back to Mercruiser at their expense.
For Hawaii, Alaska, or international shipping prices, please call.
Specifications and prices are subject to change without notice.