18-3782 Sierra Nut Kit

$41.00

Sierra Propeller Nut Kit for the following Yamaha Outboard Applications:

  • 115-300 HP (1984-Newer)

Kit Includes:

  • 1ea. Bronze Castle Nut
  • 1ea. Stainless Splined Spacer Washer
  • 1ea. Stainless Cotter Pin
SKU: 18-3782

Description

Sierra Propeller Nut Kit for the following Yamaha Outboard Applications:

  • 115-300 HP (1984-Newer)

Kit Includes:

  • 1ea. Bronze Castle Nut
  • 1ea. Stainless Splined Spacer Washer
  • 1ea. Stainless Cotter Pin

Additional information

Weight 1 lbs
Dimensions 1 × 1 × 1 in

Specifications

Manufacturer: Sierra
Part Number: 18-3782
Includes: Bronze Castle Nut 18-3726
Splined Spacer Washer 18-4274
Stainless Cotter Pin: 18-3735

Prop Basics

Propeller Basics

  • Diameter
  • Pitch
  • Cupping
  • Rake
  • Ventilation
  • Cavitation

Propeller Characteristics

  • 3 Blades or 4?
  • What’s the advantage of a left-hand prop?
  • How do wheel diameter, pitch, and slip affect performance … and how is it measured?
  • What is the difference between thru-hub exhaust, over-hub exhaust, and non thru-hub exhaust?
  • Aluminum vs. Stainless Steel?

Determining RPM

  • Determine your Wide Open Throttle (WOT) RPM
  • Test for Maximum RPM
  • RPM Higher Than Recommended
  • RPM Lower Than Recommended
  • Effect of Prop Pitch on RPM

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