My bike wont starte I nhave 883 hugger 2003 all the lights work but head light wont come on or dash lights showing neutral or or oil and no crank I chand relay and head lamp

Make sure your battery cables are tight at both ends. The ground connection on these bikes has a habit of vibrating loose.

Excess motor oil that blew out the oil cap ,when you've parked for a long time the oil in the tank will drop down in the crankcase,then when you start the motor it will go back in the oil tank and then overflow the oil level...You must have to drain the oil tank again and refill it at the correct oil level....

It could be either the bulb, wiring, or the neutral indicator switch. The switch is located behind the front sprocket cover. Remove the cover and it's located just forward and down on the side of the case. Unplug the wire from the switch, turn the ignition on, and ground the connector to the engine. The indicator light should come on. If not, you have either a wiring problem or the bulb is bad. If the light does come on, the switch is bad and must be replaced. Hopefully, just the wire is off of the switch.

Good Luck
Steve

Rebuilding the master cylinder is relatively easy. Simply purchase a rebuild kit, take the master cylinder off the bike, Take the lever off and then most of the internal parts will simply come right out. With the internals out, you'll probably need to lightly hone the bore with a flex hone of the proper size. Lubricate the parts and install them just as they came out and reassemble the master cylinder. Then bleed the cylinder, hook up the brake hose on the bike and bleed the brakes at the caliper.

Go here to see an exploded view of your front master cylinder.
http://www.bikebandit.com/2003-harley-davidson-sportster-883-standard-xlh883/o/m18404#sch609894

Good Luck
Steve

with engine off and key on the oil light should be on i would think all my vehicles do it..oz

check the neutral switch wire on the case under the sprocket cover, then check the little bulb. most of your display lights get power from the same circut. the fuse block, that can be found under the seat.

If the neutral light is not on, try pulling in the clutch and cranking the bike. Also check the kill switch on the bike, that will also keep it from cranking although that should not affect the neutral indicator. If the neutral indicator isn't working you may have to get into the transmission to repair it.