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MerCruiser Engines Service Specialists
Lake Conroe Marine, LLC
Sterndrive-Inboard-Outboard Repair
 Lake Conroe Full Service Boat Repair Shop
Service & Parts....936-890-0676

4.3L Engine
Engine & Stern Drive Package


HP: 190
kW: 142
Displacement Liter/CID: 4.3/262
Cylinder/Configuration: V-6
Bore & Stroke (in): 4.0 x 3.48
Bore & Stroke (mm): 101 x 88
Compression Ratio: 9.4:1
Fuel System: 2V Carb
Full Throttle RPM Range: 4400-4800
Ignition System: Thunderbolt V
Alternator Amp: 65
Alternator Watt: 917
Drive Options: Alpha, Bravo Two, Bravo Three
Drive/Gear Ratios (primary/optional/high altitude): Alpha: 1.81/1.62/2.0:1
Drive/Gear Ratios (primary/optional/high altitude): Bravo Two: 2.2/2.0/ - :1
Drive/Gear Ratios (primary/optional/high altitude): Bravo Three: 2.43/2.2/ - :1
Total Weight (lbs./kg): Alpha: 848 / 385
Total Weight (lbs./kg): Bravo Two: 893 / 405
Total Weight (lbs./kg): Bravo Three: 902 / 410

Length (in/mm): 28/696
Width (in/mm): 30/740
Height (in/mm): 21/533
Audio Warning System: Standard
Circulating Pump Hose Drain: Standard
Color-Coded Service Points: Standard
Compact Hydraulic Steering: Optional
Easy Oil Drain System: Standard
EDP- and Ceramic-Coated Exhaust Elbows: Standard
EDP-Coated and Painted Cast Iron Manifold(s): Standard
Engine Flush Port: Kit
Jackshaft (Factory-Installed): Optional
MerCathode: Kit (Alpha) / Standard (Bravo)
Platinum-Tipped Spark Plugs: Standard
Power Steering: Standard
Remote Oil Filter: Kit
Risers 3": Optional (factory-installed)
Serpentine Belt: Standard
Water Drain System: Multiple blue hand-removable drain plugs located on port, starboard and front of engine
Water/Fuel Separator: Standard
CARB Star Rating: 3

Local Area Sales Only
Outdrives & Transom Assemblies Available Next Day

Lake Conroe Marine is your source  for
 MerCruiser Inboard And Stern Drive products serving
Conroe and The Houston Metropolitan Area.