Skip to product information
Ignition Main Key Switch Assembly 703-82510-43-00 for Yamaha Motor Control Box

Ignition Main Key Switch Assembly 703-82510-43-00 for Yamaha Motor Control Box

Write Review

Your Source for Aftermarket Parts

$48.39
Sale price  $48.39 Regular price 

Available to Order

Usually ships in 2–4 business days.
This Ignition Main Key Switch Assembly is a key switch assembly compatible with Yamaha Motor Control Box and matches OEM Part# 703-82510-43-00.
Industrial Retailer parts support representative

Need help finding the right part? Talk with a parts expert today.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

Call us

I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This ignition main key switch assembly is a direct replacement for Yamaha outboard motor control boxes, featuring OEM part number 703-82510-43-00. It restores starting and electrical control functions on compatible Yamaha engine models. Designed for boaters needing a reliable ignition switch for their Yamaha outboard control box.

Key Features & Performance

  • Genuine Yamaha replacement part for perfect fit and function
  • Includes key cylinder, switch body, and electrical contacts
  • Provides three positions: Off, On, and Start
  • Weather-resistant construction for marine environments
  • Directly replaces worn or damaged ignition switches on Yamaha control boxes

Fitment & Compatibility

  • Compatible with Yamaha outboard motor control boxes using part 703-82510-43-00
  • Fits many Yamaha 2-stroke and 4-stroke outboard models (verify compatibility with your control box)

Common Uses

  • Replacing faulty ignition switch on Yamaha boat control boxes
  • Restoring starting functionality on outboard motors
  • Upgrading worn key switches on older Yamaha control systems
  • Marine repair and maintenance for fishing boats, pontoons, and runabouts

Technical Specifications

  • Part Number(s): 703-82510-43-00
  • Type: Ignition Main Key Switch Assembly
  • Position: 3 Position (Off/On/Start)
  • Material: Plastic/Metal
  • Application: Yamaha Outboard Motor Control Box

Frequently Asked Questions

Q: Will this switch work on a Yamaha 225 HP outboard? A: It is compatible with many Yamaha outboard models that use the 703-82510-43-00 control box; verify your control box part number before purchasing.

Q: Does the assembly come with keys? A: Yes, this genuine Yamaha switch assembly includes a key that matches the cylinder.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

Customers also purchased

Keywords (Used as search references only) View IP policy.