New Quicksilver MerCruiser 3.0 TKS 135 HP Engine 4111225UU 8m0116645 8M0116646 8M0187358

3.0L ALPHA TKS – 8M0116645 ss to 8M0187358

Quicksilver now builds the iconic 3.0L engine to repower your classic sterndrive runabout. Affordable and fun, this is the only logical repower for 2.5L & 3.0L sterndrive engines from 1963-2010. This engine comes in the most popular configuration with a front engine mount and no power steering.

• Turn Key Starting carburetor
• EZ Water Drain System
• Remote oil filter
• Power steering requires the addition of dealer installed kit

3 year Warranty is only valid if installed or inspected and registered by a MerCruiser dealer! 

3.0L TKS Alpha Sterndrive Engine Only. 135 HP @ 4800 RPM. 181 Cubic Inch
Fully Dressed Marine Engine. Engine Features: Non‑Power Steering. Front
Engine Mount. Turn Key Start Carburetor with Mechanical Fuel Pump. It is built
with 100% new Quicksilver: cast iron block, large fillet radii crankshaft, Tri‑metal
bearings, 9.3:1 pistons, revised TKS carburetor calibration, 140F degree
thermostat, NGK spark plugs, and 1.5:1 rocker arms. Quicksilver cast iron cylinder
heads that feature: hardened seats, screw in studs, Black‑X valves, & an exclusive
Quicksilver combustion chamber allowing 4 deg BTDC base timing. Audio warning
horn for overheat, low oil pressure, and low drive lube levels. It uses EST Analog
Ignition, Single‑Point Water Drain Using Blue Hoses, and 14‑Pin Harness.
Provision is made in the block for dealer installation of side engine mounts. Pilot
bore machined into crankshaft to accept dealer installed Volvo couplers. Shipped
with MerCruiser Alpha Coupler. Runs on 87 Octane Fuel.
NOTE: Because this is a completely new engine and not a major repower
assembly, the old engine being replaced is to be returned per EPA 1068.240.
135 HP 100% New Quicksilver Sterndrive Engine
Replaces 3.0L Alpha sterndrive engines.