The first fuel injected dirt bike was from ATK in the early/mid 90's, followed by Cannondale, then GasGas followed with one in 2003.
It's found on all four stroke motocross bikes and it helps you start your engine when it heats up by changing the fuel/air mixture ratio.
yes all Yamaha dirt bikes are fuel injected
fuel effeciency is the main reason why honda bikes prefer fuel injection carburetor.
You should use a minimum of 91 octane in street bikes, ATV's or Dirt bikes
Bad fuel, dirt in the fuel filter, dirty air filter.
You can prevent fuel injection flooding by not pumping the gas pedal when trying to start the engine. Fuel injection systems do not need any additional fuel when starting the engine.
Perhaps in 2008?
You need to prime the fuel injection system.
The quicker 2 stroke dirt bikes use a gas/oil mix. Most bikes you see on the road are 4 stroke and use regular gasoline.