New vacuum petcock has prime, On, and Res. The on will only flow with vacuum from the engine, stops the carb from flowing gas into the oil in the case. Prime is free flow to pump. It is best to replace the vac line and the fuel filter. Vacuum line may be a different color.
Part # 44300-03G02Fit Models;Suzuki LT-A 500 F Vinson Auto 4x4, (2004-2007Suzuki LT-F 500 F Vinson Manual 4x4, (2004-2007)
Suzuki Vinson LT-A500 LT-F500 Petcock Fuel Valve 44300-03G02 vac line, filter
$27.00Price