How do I Adjust the Fuel Screw for a Yamaha WR450F?

Answer The Yamaha WR 450-F is a 449-cc liquid cooled four-stroke motocross dirt bike. On the lower right side of its carburetor is an adjustable air screw, which controls the gas-air mixture. The bike own... Read More »

Top Q&A For: How do I Adjust the Fuel Screw for a Yamaha WR450F

How to Adjust the Pilot Screw on a Yamaha Raptor 50?

The carburetor used by Yamaha's Raptor 50 all-terrain vehicle relies on a constant flow of air to draw fuel into the engine. An adjustable pilot screw controls the carburetor's pilot system, which ... Read More »

The screw on my eyeglasses came out...(ultra tiny screw) anyone know of a tool small enough to screw it in?

Everyone is right...they sell little eyeglass repair kits at most drug stores. I've even seen them at the check-out at some grocery stores. Don't lose that screw though. The screws in those kits... Read More »

How to Adjust a Headlight Screw?

Headlights can become misaligned due to rough driving, fender benders or the basic ravages of time. Keeping them pointed in the right direction can be the difference between safe driving and a cost... Read More »

How to Adjust the Idle Screw on a '94 or '95 Mustang?

The engine in a 1994 or 1995 Ford Mustang has an idle screw on the throttle body that adjusts how high or low the engine idles. This can be handy for fine-tuning your idle, particularly if it's idl... Read More »