Electrosport Regulator ESR 770 Electronic control unitRef : ELS00228A / 1140088

ELECTROSPORT Regulator — Manufacturer Ref: ESR770

Replace or restore the electrical regulation of your vintage roadster with this ELECTROSPORT electronic unit. Designed for 12V three-phase systems, this regulator is aimed at classic motorcycles such as the SUZUKI GT series and integrates into the original wiring harness thanks to dedicated connectors.

• Specifications: Three-phase, 12V.
• Connectors: Block A: 6 poles (4 occupied) — 3 x yellow, 1 x red. Block B: 3 poles (2 occupied) — 1 x green, 1 x red.
• Compatibility:
  • SUZUKI GT380 (1974–1976)
  • SUZUKI GT550 (1974–1976)
  • SUZUKI GT750 (1973–1977)
• Compatible battery types: lead/acid, lead/acid MF, AGM, pure lead, gel.

Warning: any technical modification of the plug or pin assignments will void the warranty. This regulator is not compatible with lithium-ion batteries — risk of damaging the battery or other electronic components.

Ideal for owners of GT750 and other vintage roadsters looking for a reliable replacement part that complies with the original configuration. Follow the provided connectors for safe installation and clean integration into the alternator wiring harness.