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Technical Articles and Specifications

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Marine Engines Repower – Bayliner Cierra 2655, 1991 model Mercruser MCM 5.0l LX
Dennis, Thanks for your inquiry and the opportunity at earning your business. Since Mercruiser made both Alpha and Bravo sterndrive models with that engine I would not be able to tell you without knowing which one your engine is setup for. Can you give me the original engine serial number? Or can you tell me if [...]

4.3L Marine Engine Longblock Performance Specification
Mike, Thanks for your inquiry and the opportunity at earning your business. The Hp rating for longblocks is determined by the fuel system that’s install back onto the engine. For example since GM only produced one marine version of the 4.3L during this timeframe Mercruiser used this same longblock on their 190 Hp 2 barrel carb [...]

Marine Engines – Replacement marine engine for my boat 5.7 mercruiser 1992 #0d763634
Marty, Thanks for your inquiry and the opportunity at earning your business. Using the links below you can review your options. Let me know if you need any further technical information or help placing your order. In either case I will be glad to assist! Link to Block Code/Serial Number Location http://www.perfprotech.com/store/app_themes/PPT/images/block-casting-no.jpg Link to Remanufactured Longblocks http://tinyurl.com/68kcet8 Link to Remanufacturing [...]

Suzuki Marine Outboard Motors – Replacing a Fuel Pump on a DF70
Step by Step Video Instructions illustrating how to change an electric fuel pump on a Suzuki DF70 outboard motor. Watch Video

Boat Trailer Parts and Accessories – How to Replace a Boat Trailer Hub
Step by Step video instructions illustrating how to replace a leaky oil filled hub on a boat trailer. Watch Video

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Alpha Gen 1 - Used until 1991 - Link To Pricing

Alpha Gen 2 - Used from 1991 thru 1993 (Old round gear lube bottle with brass fitting through the gimbal housing):
Technical Specifications
Link to Pricing

Alpha Gen 2 - Used from 1994 & Up (Newer style square gear lube bottle with plastic fitting through the gimbal housing):
Technical Specifications
Link to Pricing

Select this link for more information regarding - Alpha Gen 1 versus Alpha Gen 2 

 Bravo Transom Specifications

  • Bravo Production Transom, die cast gimbal ring
  • Bravo Magnum Transom, sand cast gimbal ring
  • Bravo HP Magnum Transom, no trim sender, solid hinge pins
  • Bravo Smartcraft Transom, Digital trim sender

 

  • The diesel transom has a bypass fitting located on the inside of the plate near the location of the inlet water fitting.
  • The diesel transom assembly comes with a new trim pump that may or may not be needed
  • The gimbal bearings are all the same now
  • The exhaust bellows differs between the gas and diesel transom assemblies.

 

Bravo Transom Specifications & Pricing 

Mercruiser Transom Cut-Out Template