Yanmar Belt Tensioner

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Our Yanmar belt tensioner further enhances the performance of our SM line of marine alternators. This tensioning device is manufactured at our plant and is specifically developed for 98% of all Yanmar marine engines. This device is greatly enhanced when combined with any Electromaax serpentine pulley conversion kits.

Yanmar engine belt tensionerOur Yanmar belt tensioner easily allows you to tension your engine belt without the need of a screw driver or other tool. Simply use our belt tensioning tool to achieve the perfect level of tension needed.

Key Benefits

The following are the key benefits of our Yanmar belt tensioner on your marine engine:

  1. It substantially reduces slippage (especially when you add the specific serpentine (multi groove pulley conversion kit)
  2. It holds the alternator firmly in place
  3. It eliminates belt dust (especially when you add the specific serpentine (multi groove pulley conversion kit)
  4. It greatly increases engine belt life
  5. No additional brackets needed
  6. Currently 47 Yanmar engines are covered from 1979 – current
  7. Simple bolt on replacement and fits under the plastic cover
  8. Your engine will run much quieter (especially when you add the specific serpentine (multi groove pulley conversion kit)
  9. It adds flexibility along your belts length
  10. It increases lateral stability to your belt
  11. Easy to install
  12. Included in 98% of all Electromaax Yanmar serpentine pulley conversion kits
  13. Maintenance free performance
  14. Substantially less bending stress for your belt

* Readers note: in order to achieve the above key benefits of the Yanmar belt tensioner, your belt needs to be installed and tensioned properly.  This simple device is greatly enhanced when combined with any of our Yanmar serpentine pulley conversion kits.

SKU: ST-101-AB

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Yanmar Belt Tensioner
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