Heurofosh Tilt Trim Switch for Yamaha Outboards 8–250HP — 703-82563-02 Plug-and-Play Replacement, Ergonomic Rocker

Heurofosh 703-82563-02 is a direct-replacement tilt/trim switch designed to restore reliable up/down control on compatible Yamaha 2- and 4-stroke outboard engines from 8 to 250 HP.

Designed as a plug-and-play alternative to original Yamaha parts, this compact switch meets or exceeds OEM specifications and replaces several Yamaha reference numbers. It provides a familiar ergonomic rocker action for trim and tilt functions and is sized to fit dash panels and control housings on older and newer outboard installations (1984–2003 models listed). The unit is built for straightforward installation without cutting wires or modifying factory harnesses.

Which Yamaha motors and part numbers does this switch work with?

This Heurofosh switch is compatible with a wide range of Yamaha 2- and 4-stroke outboards, covering small tiller engines through high-power models. It replaces multiple Yamaha part numbers so you can swap it directly into existing control setups for years listed.

• Compatible HP range: 8, 9.9, 15, 25, 30, 40, 50, 60, 70, 75, 80, 90, 100, 115, 130, 150, 200, 225, 250.
• Model years covered: 1984–2003 as specified by Yamaha fitment lists.
• Replaces Yamaha parts: 703-82563-02-00, 703-82563-01-00, 703-82563-02, 703-82563-01.

How easy is installation and what tools are needed?

Installation is intended to be simple and minimal: the switch is a plug-and-play replacement that uses the existing connector and mounting footprint on compatible control boxes. Most installers will only need basic hand tools and a few minutes to swap the part.

• No cutting, splicing, or custom wiring required for matching harnesses.
• Typical tools: small screwdriver, panel trim tool, and wrench or socket for mounting hardware.
• Ergonomic design aligns with dash openings used by Yamaha in the listed years.

What are the build and user features you’ll notice on the water?

The switch offers a tactile rocker action with a low-profile housing that’s comfortable to operate and resists snagging in confined helm spaces. It’s compact and lightweight for easy handling and fits into common control panel layouts while providing consistent trim and tilt control.

• Durable construction meeting or exceeding OEM performance expectations.
• Ergonomic, comfortable press surfaces for quick +/- adjustments while underway.
• Compact footprint for neat installation and reliable mechanical feel.

Will this switch affect my outboard’s electronics or warranty?

This replacement part is designed as a direct substitute for the OEM switch to keep your electrical system unchanged when the connector and mounting match. It does not modify engine control electronics; however, warranty effects depend on manufacturer and dealer policies.

• Connects directly to the existing harness when used with compatible Yamaha systems.
• No reprogramming or electronic calibration required for trim/tilt operation.
• Check your Yamaha dealer or warranty documents for any policy specifics before installation.

Who is this for? If you own a compatible Yamaha outboard from the listed years and HP ranges and you need a dependable, easy-to-install replacement for a faulty tilt/trim rocker, this Heurofosh switch is built to match OEM fit and function. It suits do-it-yourself boat owners, marine technicians, and fleet managers who want a direct-fit, ergonomic control part that reduces downtime without the need for wiring changes.