Honda 500ex

[jerod400ex]

has anyone ever seen a 400ex with a 500 bore kit ive heard of 440 460 465 and 480 but wat is a 500 like would tht hurt ur engine....... does it add lots of power also?

[jerod400ex]

I talked to another guy on a forum tht had one and he said it hasnt had any problems yet.....have u guys heard of a bore this big?

[quadnut20]

I talked to another guy on a forum tht had one and he said it hasnt had any problems yet.....have u guys heard of a bore this big?

Anything that big would have a over heating problem !!

[quadnut20]

Just get a 450 and be done !!!

[jerod400ex]

Anything that big would have a over heating problem !!

he had scoops, oversized oil filter, bigger valves, larger pistons, and a bunch of other stuff to lower the temp

[jerod400ex]

Just get a 450 and be done !!!

hahahaha i want one lol.... they say in a drag a 400 bored out will eat a 450....

[quadnut20]

he had scoops, oversized oil filter, bigger valves, larger pistons, and a bunch of other stuff to lower the temp

Yea i bet the 440 kits biggest problem is that they over heat !!!! to get to 500 your gonna be stroking it and a huge bore !!! CK 1999 is the guy to ask !! on a 450R your runnin a +3 crank and 100mm bore and big time head work comes out to 511 or so !!

[quadnut20]

hahahaha i want one lol.... they say in a drag a 400 bored out will eat a 450....

nope !!! maybe a stock 450

[jerod400ex]

Yea i bet the 440 kits biggest problem is that they over heat !!!! to get to 500 your gonna be stroking it and a huge bore !!! CK 1999 is the guy to ask !! on a 450R your runnin a +3 crank and 100mm bore and big time head work comes out to 511 or so !!

Ya the kit came with bigger pistons stroked cam crank and a bunch of other stuff.... oh and so basically bottom line is keepin it from overheating if you can do tht the bore kits in general arent to big of an issue

[jerod400ex]

nope !!! maybe a stock 450

i like 450s im gonna buy one wen i turn 16.... 400s are my fav though first thing i ever drove..... and yes it might be a stock 450 not sur but the wieght diff is wat would make the 400 quicker... i personally have watched some 450s modded put up against bored stroked 400s and they just dont have near as much take off power... unless uneeded wieght is taken away tht is

[quadnut20]

i like 450s im gonna buy one wen i turn 16.... 400s are my fav though first thing i ever drove..... and yes it might be a stock 450 not sur but the wieght diff is wat would make the 400 quicker... i personally have watched some 450s modded put up against bored stroked 400s and they just dont have near as much take off power... unless uneeded wieght is taken away tht is

I was eatin 440`s at the Dunes last year with my setup

[quadnut20]

here is the specs on a 04 400ex !!!

2004 Honda Sportrax 400EX Specifications - Honda.com

[quadnut20]

here is the specs on a 04 400ex !!!

2004 Honda Sportrax 400EX Specifications - Honda.com

it actually weighs more than my 05 450R

[jerod400ex]

I was eatin 440`s at the Dunes last year with my setup

ohh u got lots done to urs:yes:

[jerod400ex]

it actually weighs more than my 05 450R

wow!!.... of course ya might be tru with stock but reduced axle wieght and discs and diff things might be lil diff..... the ones i watched were set up to be lightwieght with bore kits and all those goodies

[quadnut20]

wow!!.... of course ya might be tru with stock but reduced axle wieght and discs and diff things might be lil diff..... the ones i watched were set up to be lightwieght with bore kits and all those goodies

mines also a kicker ! I have no starter or batt

[jerod400ex]

mines also a kicker ! I have no starter or batt

cool!!!! i want a kicker..... less weight:yes: