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EUR 569,00
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Electromaax Serpentine Pulley Kits For Yanma Engines GM Series

Electromaax Serpentine Pulley Kits For Yanmar Engines

Serpentine Pulley Upgrade Kits are a permanent solution to belt dust buildup on your boat engine.  Pulley Upgrade Kits available for Yanmar, Volvo, Nanni, Perkins, Westerbeke, Universal and more!

Discover how ElectroMaax can help you substantially increase the output and performance of your alternator when charging at idle, when on the hook.

The Benefits of Our Serpentine Pulley Kits

Finally there’s a permanent solution to belt dust buildup on your engine and more importantly you can now substantially increase the output of your alternator without the fear of damaging your engine or electrical system – quite the contrary – you can now put the required load on your engine, when charging at idle, when on the hook.

ElectroMaax pulley kits are used in conjunction with our High-Output Marine Alternators ranging from 80 to 250 amps.

Most Name Brand Alternators Fit

We have now developed serpentine (multi grooved) kits form most Yanmar marine engine from the mid 1970s and all current models. In addition we have developed a new tension-arm for all JH, GM and YM Yanmar series engines. This simple device makes tensing the belt easy, no need for screw drivers or large wooden sticks to help position the alternator and can be purchased separately. Kits for other popular brands of marine engines are either available or are currently under development.

ElectroMaax optimum charging solutions are designed and manufactured in the USA with top-quality materials. We use a serpentine 10-rib belt ( as in all automotive vehicles) in place of the single-V belt or double-V, for improved performance and reliability:

  • Wide serpentine 10-rib belt – Smooth, better traction for improved output
  • Machined 6061 aluminum structure – Light and strong
  • Anodized type II – corrosion prevention
  • Grade 8 and 10.9 zinc plated flange head bolts and nuts– quality and function

How will these serpentine pulleys benefit YOU!

Firstly you will eliminate the build up of fine belt dust that penetrates vulnerable engine and electronic components. NOW you are able to drive a high output alternator that actually allows you to run the engine at idle as it (the alternator) creates load that keeps the engine in good fettle without damage to the engine. If you have the space you can also add a second alternator to further enhance your engine life.

Nearly Triple Your Amperage!

While a gallon of diesel at a marina is now $5.00 dollars plus, if you reduce this by 60% when running the engine to charge the batteries, what will you save? Most of our customers say it paid for itself within months, more importantly the piece of mind it gave them was priceless.

Increases the vessels range

For those of us who cruise, the reduction of fuel consumption has a more significant value than just financial savings, it dramatically increases the range of our boat which keeps us cruising longer and allows us to stay in pristine spots when other cruisers have to leave due to refueling.

What do you think that belt dust is?

Well it’s your single-V-belt disintegrating due to slippage, why do you think the auto industry switched to serpentine 30 plus years ago?

Eventually the belt snaps (never on the dock) normally at sea when the engines hot and the sea is rough. The end result could be serious damage to your engines systems. Industrial 10 groove serpentine belts do not slip consequently they do not wear, and with a life time warranty you will never need to buy a new one.

Your current single-V-belt concentrates the tension in one small area on the pulley, which stresses the bearings, the serpentine spreads the stress over three times this area running smoother (without belt slippage ) and quieter which helps to further preserve the life of your engine.

Product variants

ElectroMaax PK-2GM Uprade Kit for Yanmar 2GM
EMPK2GM
Yanmar 2GM EUR 569,00
ElectroMaax PK-2GM20 Uprade Kit for Yanmar 2GM2020
EMPK2GM20
Yanmar 2GM20 EUR 569,00
ElectroMaax PK-2GM20F Uprade Kit for Yanmar 2GM20F
EMPK2GM20F
Yanmar 2GM20F EUR 569,00
ElectroMaax PK-2GM20F-YUE Uprade Kit for Yanmar 2GM20F-YUE
EMPK2GM20FYUE
Yanmar 2GM20F-YUE EUR 569,00
ElectroMaax PK-2GM20-YUE Uprade Kit for Yanmar 2GM20-YUE
EMPK2GM20YUE
Yanmar 2GM20-YUE EUR 569,00
ElectroMaax PK-2GMF Uprade Kit for Yanmar 2GMF
EMPK2GMF
Yanmar 2GMF EUR 569,00
ElectroMaax PK-3GM Uprade Kit for Yanmar 3GM
EMPK3GM
Yanmar 3GM EUR 569,00
ElectroMaax PK-3GM30 Uprade Kit for Yanmar 3GM30
EMPK3GM30
Yanmar 3GM30 EUR 569,00
ElectroMaax PK-3GM30F Uprade Kit for Yanmar 3GM30F
EMPK3GM30F
Yanmar 3GM30F EUR 569,00
ElectroMaax PK-3GM30F Uprade Kit for Yanmar 3GM30F
EMPK3GM30FYUE
Yanmar M30F-YUE EUR 569,00
ElectroMaax PK-3GM30-YUE Uprade Kit for Yanmar 3GM30-YUE
EMPK3GM30YUE
Yanmar 3GM30-YUE EUR 569,00
ElectroMaax PK-3GMF Uprade Kit for Yanmar 3GMF
EMPK3GMF
Yanmar 3GMF EUR 569,00
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