Yanmar Flexible Shaft Coupling - Poly Flex 424

Poly Flex 424

4" Poly Flex Shaft Coupler for Yanmar Transmissions

The Poly Flex transmission coupling provides a damper between the gearbox and propeller shaft to isolate torsional vibration from the engine and gearbox. It also reduces shock of forward and reverse gear changes.

Four bolt couplings are used on four bolt hole output flanges. Spigots can be either male or female, as determined by the flange. Poly Flex couplings are configured to the flanges.

Poly Flex Model 424

Yanmar / Kansaki transmissions

Made in Australia

Cross reference: Drivesaver 424Y

Flange Diameter: 3.937"

Holes: 4

Hole Diameter: 0.39"

Bolt Circle: 3.07"

Pilot Diameter: 1.97"

Coupling Diameter: 4 1/4"

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  • Product Code: 424
  • Availability: 6
  • $356.02