Suzuki Wagon R Manual page 1282

09919-47020
Quick joint remover
5) Connect fuel hoses (1) and vapor hose (2) to pipes as shown in
figure and clamp them securely.
CAUTION:
When connecting joint, clean outside surfaces of pipe
where joint is to be inserted, push joint into pipe till joint
lock clicks and check to ensure that pipes are connected
securely, or fuel leak may occur.
6) Connect negative cable at battery.
With engine "OFF" and ignition switch "ON", check for fuel leaks.
SPECIAL TOOL
ENGINE FUEL 6C-9