![First time fixing a bike need some advice - which port on the carby does the fuel line connect to, and what's the one on the bottom? Bike is a 1998 CB250n : First time fixing a bike need some advice - which port on the carby does the fuel line connect to, and what's the one on the bottom? Bike is a 1998 CB250n :](https://i.redd.it/9zqo0zufwkca1.jpg)
First time fixing a bike need some advice - which port on the carby does the fuel line connect to, and what's the one on the bottom? Bike is a 1998 CB250n :
![Dual Sport Hose Routing - Converting to Closed Course, the fuel tank and carb must vent openly and the vacuum fitting is blocked - JD Jetting Dual Sport Hose Routing - Converting to Closed Course, the fuel tank and carb must vent openly and the vacuum fitting is blocked - JD Jetting](https://jdjetting.com/wp-content/uploads/pbase/66331134.jpg)
Dual Sport Hose Routing - Converting to Closed Course, the fuel tank and carb must vent openly and the vacuum fitting is blocked - JD Jetting
![Max-Flo | 10' CARBURETOR VENT HOSE LINE OVERFLOW KIT KEIHIN MIKUNI CARB | OVER 20 COLORS – Max Motorsports Max-Flo | 10' CARBURETOR VENT HOSE LINE OVERFLOW KIT KEIHIN MIKUNI CARB | OVER 20 COLORS – Max Motorsports](http://www.max-motorsports.com/cdn/shop/products/max-motorsports-solid-honda-red-max-flo-10-ft-uncut-carburetor-overflow-vent-hose-kit-keihin-mikuni-carb-20-colors-carburetor-vent-hose-kit-34520719032508_1200x1200.jpg?v=1677483497)
Max-Flo | 10' CARBURETOR VENT HOSE LINE OVERFLOW KIT KEIHIN MIKUNI CARB | OVER 20 COLORS – Max Motorsports
![maintenance - Two hoses that run from the carburetor - Is the upper hose cut and zip tied? Is that's the one that brings fuel to the carburetor? - Motor Vehicle Maintenance maintenance - Two hoses that run from the carburetor - Is the upper hose cut and zip tied? Is that's the one that brings fuel to the carburetor? - Motor Vehicle Maintenance](https://i.stack.imgur.com/je4lX.jpg)
maintenance - Two hoses that run from the carburetor - Is the upper hose cut and zip tied? Is that's the one that brings fuel to the carburetor? - Motor Vehicle Maintenance
![1998 CR250 KEIHIN PWK carb dumping fuel from overflow after fresh rebuild. Jets, seals and needle replaced. Rode it for 3 hours, ran perfect, sat for 1 hour then took it for 1998 CR250 KEIHIN PWK carb dumping fuel from overflow after fresh rebuild. Jets, seals and needle replaced. Rode it for 3 hours, ran perfect, sat for 1 hour then took it for](https://preview.redd.it/1998-cr250-keihin-pwk-carb-dumping-fuel-from-overflow-after-v0-teb6iwlnius81.jpg?width=640&crop=smart&auto=webp&s=e5a6d7440678a4d441a5425d6ed885e87a4b75d3)