688-85540-00 CDI Electronic Ignition Unit

For Yamaha Outboard Engines | High-Reliability Electronic Ignition System | Stable Ignition • Fast Starting

The 688-85540-00 CDI is an electronic ignition controller developed for Yamaha outboard engine ignition systems. It receives the engine trigger signal, controls the ignition timing of the high-voltage ignition coil, and converts electrical energy into stable high-voltage ignition pulses to provide reliable spark ignition.

It is suitable as a replacement, repair part, or spare for the original CDI. For outboard engine operating conditions involving long operating periods and humid environments, the electronic component configuration and circuit reliability are designed with these application requirements in mind.

1. Product Features

• Compatible with Model 688-85540-00
Designed as a replacement CDI ignition unit for 688-85540-00, facilitating repair and component replacement.

• Stable Ignition Control
Electronic control precisely processes the trigger signal to provide stable ignition control and help maintain normal engine operation.

• Fast Starting
Stable ignition signals and high-voltage output control help improve ignition reliability during engine starting.

• Suitable for Outboard Engine Operating Conditions
Designed for the long-duration operation and humid environments associated with outboard engines, using high-reliability electronic components and protection design.

• Plug-in Replacement Concept
Designed to correspond with the connector and wiring configuration of the actual vehicle/engine model, helping reduce the complexity of maintenance and replacement.

• Ideal for Repair and Spare-Parts Applications
Suitable for outboard engine repair shops, parts suppliers, and DIY maintenance as a replacement component when the original CDI fails.

2. Product Specifications

Item	Specification
Product Name	Electronic Ignition Unit (CDI)
CDI Model	688-85540-00
Type	Capacitor Discharge Ignition Controller (CDI)
Applicable System	Yamaha Outboard Engine Ignition System
Function	Ignition Signal Control / High-Voltage Ignition Control
Ignition Method	Electronic Ignition
Installation	Install according to the original equipment connector and wiring configuration
Application	Repair / Replacement / Spare Part
Housing	Electronic Module Protective Structure
Recommended Use	Outboard Engine Maintenance and Electronic Ignition System Updates

Important Notice

Different model years, engine models, and market versions may use different CDI specifications. Before purchasing, please verify the original CDI model, connector, wiring, and engine model.

Contact Us

Company: Hsin Hua Electronic Innovation Co., Ltd.

Address: No. 1, Anxin 2nd Road, Anding District, Tainan City 709007, Taiwan

Tel: +886-6-2456156

Fax: +886-6-2558586

E-mail: hsinhua.edos@msa.hinet.net

Official Website: www.thh-electric.com.tw

Professional Quality, Advanced Technology — Keeping Your Engine Running More Reliably!