Topic: Mercruiser Exhaust Manifolds for the 4.3L V6 Engine (Single Piece vs Two Piece) Question: My existing Mercruiser 4.3L V6 engine has a manifold and elbow/riser that is combined in one piece. However I cannot seem to locate the exact replacement for this manifold. Can I simply replace this with the older style 2 piece […]

TOPIC: Boat/Motor Winterization QUESTION: I used to own a boat equipped with a Mercury Outboard Motor which made winterization very simple. However I recently purchased a Sea Ray boat that is equipped with a MerCruiser Inboard/Outboard and Alpha Gen 2 Sterndrive. I’m looking to winterize my boat this year for the first time.  Is there a kit […]

TOPIC: Marine Longblock Flywheels QUESTION: I’m looking at the New GM 350 Longblock – 5.7L Vortec for Years 1996 – Current, Models Carb, TBI & MPI w/ Crank Position Sensor and noticed that is it externally balanced yet does not come with a flywheel. Can you explain how these long blocks are balanced and what balancing will […]

TOPIC: Mercruiser 4.3L Longblock Replacement and Horsepower Upgrade Options QUESTION: I have a 1997 rinker captiva 192. Merc # K170XXX. The block cracked over the winter. I am looking to replace the stock 2 barrel carb motor with hopefully a upgraded 4.3. I don’t want to go radical but justa increase in performance. Pricing is critical. I […]

Make Model Boat Length Current MPH/KPH Propeller Size No. Blades Mat’l Model Hub System Quicksilver P/N Alt P/N Description Yamaha Sterndrive Applications V-6/V-8 – 4 3/4” GEARCASE 26+ / 7.8+ to 18 / to 29 16 X 13 RH 3 AL Black Diamond 2 QA2004X QA2004X BLKDIA 16R13 (MERCURY OEM BRAND) Yamaha Sterndrive Applications V-6/V-8 […]

Barr Exhaust Catalog Barr Marine has been a leading producer of Marine Exhaust Manifolds & Risers for OEM manufacturers such as MerCruiser, Volvo Penta, Crusader, PCM, Indmar and various others since 1933. The Barr Exhaust products line is proudly manufactured in the U.S.A. with a solid 3 year product warranty. Barr Exhaust products are produced using the […]

Customer Question: Will this San Juan MC329 closed cooling kit work with the Mercruiser Bravo low water only  pickup drive at extended full speed and idling in extended  wake zone? My motors are Mercruiser 502 mag mpi twins in a Donzi step hull boat. Thank You Martin PPT Response: The Low Water Pickup (LWP) vs Dual Water Pickup (DWP) […]

Fifty years and still flipping. When things go wrong in H1 Unlimited Hydroplane boat racing they get airborne.

There’s big. And then there’s bigger. Introducing Triple Deuce, set to be the world’s biggest superyacht at a whopping 222 meters (728 feet) long. At $1 billion, it will also be the most expensive private yacht ever built. “Our client was concerned that if we built the yacht to 200 meters (656 feet), then someone […]

In the 1980s Florida Panhandle, near cities like Panama City and Fort Walton Beach, there were several distinct water sports, such as, surfing, water skiing, skimboarding, and wakeboarding. When the Gulf was flat, as it often is, surfers joined the others behind boats, but preferred to hop up on their ocean boards managing to ride […]