I own a '99 400EX and just today raced a 2day old stock 450R with the R getting victory 4 of the 5 300 ft. runs but they were less than 2 bike lengths, so I don't feel too bad. I heard the 450Rs were supposed to be faster than that.


Oh yeah what kind of tire would be better that what i have for everyday ridding, mine are 18x11-8 Turf Tamer AT (they don't hook at all in grass or anything loose) and were thinking of stepping up to a 20" tire

 

It sounds as if this is all about the rider. I have both (400ex and 450r) and there is "NO WAY" a 400ex will beat the 450r even one out of five times. As far as the two bike lengths go, your opponent on the R needs to hit the throttle.

 

how much more does a yoshi 450 cost??? Yeah spend the 3000 on a trx in maybe an lrd or sparks engine kit and you can easily beat a yoshi 450.

 

The z is known for how well it responds to mods such as a pipe kit. Not saying it would beat a 450r with a pipe but what do you mean dosen't add a lot of power? Just bought the 06 z an hp numbers are 36.6 I think the 03's were around 30 Either way installing an hmf full system (With recommended jetting) and increasing your hp by 13 ponies adds tremendous power. On the 03's that's almost 50% of orig hp. On 06 about a third. When your hp numbers are that small a 13 hp increase is huge, not like a 13 hp increase on a 500 hp stang where you might not even notice.
Doug Gust seems to do a pretty good job on his z400 against 450r's, but his is probably a wee bit more modded than the average Joe's

 

Whoops!!! Sorry this is the one I meant to quote.

 

thats a 13 hp gain over the entire rpm range look at the gains separately and you will see they aren't that significant

 

WTF are you smoking. 13 xtra ponies with a HMF full system. If your saying your z with an HMF fullsystem puts out the stock 36.6hp (which seems alittle high) + 13 and have 49hp at the rear wheel then you better go back to mechanics class and read more issues of dirtwheels. A full exhaust with airbox lid off and proper jets will at most give the z400 3.5hp (from the pipe shootout issue 2003 in dirtwheels and that was the ct racing pipe which gave the biggest gains...btw the hmf did about 3.1). A tudor performance z450 motor puts out right around 45hp. Oh and Doug Gusts z450 modded to the max puts out 54hp give or take 1 or 2hp. Also if piped z's are giving as much power as you think why arent they waxing piped raptors and predators (raptor 37hp, pred 40hp). The trx450 will annahilate any piped z400 running cams and port and polished head. Trx450's put out 41hp. have fun with your very powerful piped z400 and no matter what you think your wrong so if you want to think your right then keep on puffing.

 

Well pass in on over then, and I will take a few puffs, hey. First off, go back and re-read s l o w l y. I never said rear wheel hp. 36.6 is the number they give me on my title, and I would assume Suzuki lists the hp at the crank. Just as well as the 9hp hmf s/o or 13hp full. Now also the test you were refering to was with the 03 z, which we all know was not Suzuki's best effort. They're pretty much junk. Not only were the frames extremely weak, it was their first go at the z and the motor was weak. Look on your title, see what the hp is, if I remember right it's around 30 (+/-). That's why I chose to go buy a brand new one rather than get this 03 with 15 hours on it that got stolen and the frame f'd up.
Now, go back and read very s l o w l y again, hey. Did I argue that it would smoke a 450r? No,"Not saying it would beat a 450r with a pipe but what do you mean dosen't add a lot of power?" is what I said, so keep on arguing with yourself, hey.
I don't know if you have a case of z envy or something, but don't go flaming me for it and read post a few times if that's what it takes for you understand what someone is saying.(Here I'll even help you a bit), read post a few times if that's what it takes for you understand what someone is saying.,read post a few times if that's what it takes for you understand what someone is saying.

 

Putting a pipe on a bike be it full system or otherwise is never going to make it run like something in a different class. Can you feel the difference? Yeah, you should be able to. If not, check your jetting, but there is no way just adding a pipe to a Z is gonna make it run like either of the new 450's. Not saying the Z isn't a fast bike but its just not made for the same thing.

 

Yes I agree with you 100% I was never saying that it would make the z beat the 450r as Torbinx tried twisting it to mean. I was politely disagreeing with hondanutcase. The hp numbers added might not be very high, but considering the <u>percentage</u> of hp increase I do consider it a lot. It should definetely add enough to notice a significant difference. Both my brothers had 01 ex's at one time, my younger brother's has an e-series while my older brothers was stock and there was a big difference between the two. Just wanted to clarify that I never said A piped z would beat a 450r, just that it does add " a lot" of power (When considered on percentage of original hp) And yea, definetely designed differently. That's why I bought the z. I won't be on the track. I'll be riding around in trails with reverse and electric start.