Replacement fuel valve petcock switch assembly Compatible with Yamaha XS 400 Maxim. Compatible with model years 1977 to 1983. Vacuum actuated design. Direct OEM replacement. Prime, on, and reserve settings included for convenient operation. Center to center measurement of 34mm ensures perfect fit Compatible with Yamaha XS 400 Maxim models from 1977 to 1983.

Key Features:
- Replacement fuel valve petcock switch assembly
- Compatible with Yamaha XS 400 Maxim (1977-1983)
- Vacuum actuated design
- Direct OEM replacement
- Prime, on, and reserve settings
- Center to center measurement: 34mm

eBay integration by