i am doing a rebuild on my 400 sport i have decided to take some weight off by removing the starter and battery i just want to make sure i won't damage the cdi or the coil i know it will damage the lights so i have taken them off my friend said it just need the wires coming from the motor for it to run[img]i/expressions/face-icon-small-cool.gif[/img]

 

You can get a WB battery eliminator kit (just a big capacitor) so that you can keep your headlights without the battery and not damage anything.

 

i was thinking about getting one but i am going to race so i don't want my headlight

 

You will probably end up blowing out your taillight and dummy lights too due to an electrical surge from the stator. There is a capacitor that you can get from Radio Shack instead of the WB kit. Hopefully someone with one can chime in and give you more info on that

 

If you want you can totally remove the lighting coils and just have the ignitor coil for spark reference. I don't have any electrical at all, besides what it takes for spark. The big mess of wires under the front plastic hood are no more!

 

those are gone to there are no lights[img]i/expressions/face-icon-small-wink.gif[/img]

 

hey if your going light weight, just lose all the lights man. Its a good thing to do. race cut your fenders, make some nerf bars. Remove plastic covers next to engine. if you dont want nerf bars cut off the floor boards and leave the rear peg and weld pegs to it. replace what u can on the frame in chromemoly. I have seen a guy get a 400 sport to 380 pounds. THats 40 less then a predator. Do upper and lower control arms from a banshee. GO the distance with it man.

 

i do have the fenders cut and that piece of plastic off and some other stuff but i want to know how you got a 400 sport to 380 lbs i know the hpd built 400s are about 490 lbs and that have race chassies that are chromemoly

 

I think your wrong on the hpd chassis, it's more like 390! Cut most of the bracing off the frame (undercarriage) if you haven't. Put an aftermarket swingarm on it, that'll shave around 4 lbs, grind down any non load bearing welds smooth. This is all small stuff, but it will really add up. Have you removed the floorboards, very heavy, have the flywheel race lightened.

 

If you just duning or racing, removed the front brakes, that's about 10 lbs and have the front hubs turned down where the rotors mount that's another 1-2lbs or rotating mass and that's worth more than just weight. Also remove guard around the sprocket if you haven't already, also get an aluminum rear sprocket.