MERCURY® MERCRUISER® New 4.5L Alpha Engine Only. Y pipe, intermediate elbow, drive and transom sold separately. The Next Generation. Featuring a host of engineering innovations, the 4.5L series establishes new standards for power-to-weight ratio, driver experience, acceleration, durability, and ease of maintenance.
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Manufacturer part number:40450069A to 40450074A
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Product Shipping specifications = pounds and inches
SPECIFICATIONS
HP / kW
250 / 186
Maximum RPM (WOT)
4800-5200
Engine type
V6, 2-valve/cylinder pushrod
Displacement (L)
4.5
Displacement (CID/L)
275 / 4.5
Bore and stroke
4.0 x 3.6" / 102 x 92 mm
Recommended fuel
Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Fuel ethanol tolerance
Up to 10%
Fuel requirement
90 RON 10% Ethanol Maximum
Unleaded Regular 87 Octane Minimum (R+M/2)
Engine control system
Mechanical Shifting with Optional SmartCraft DTS
Standard SmartCraft with Electronic Throttle Control