Blaster21996   Posted July 5, 2005 I drag raced a freind on his new KTM 450exc, and he smoked me! Is Yamaha going to a 6 speed trany soon, or do I need to put a 25" tire on my bike? 🙂 Share this post Link to post Share on other sites
Matty05 Â Â Posted July 5, 2005 the WR has a lot of crap on it to tame it down. How much you have ridden it also helps. Mine had done about 1200kms and the engine revs so much more freely and is making great power now. It was lame when I first got it. Have you done all the free mods and got it jetted properly? It makes a huge difference. Share this post Link to post Share on other sites
Rip Wheeler   My Rides (11) Posted July 5, 2005 I drag raced a freind on his new KTM 450exc, and he smoked me! Is Yamaha going to a 6 speed trany soon, or do I need to put a 25" tire on my bike? 🙂 Interesting because I ride with several guys and one has an 05 KTM EXC450, the other runs a 04 WR450, it has been uncorked, but stock muffler and everything else. The WR rider weighed more and they "dragged" also, the WR pulled the KTM, didnt blow it away, but just kept pulling further away. The KTM has 11.0 compression while the WR uses 12.5 or 12.3 for th enewer ones. More compression means more "energy". The KTM had a 6 spd, the WR had a 5. But the KTM did swap to a 13 tooth up front, but this would technically give it more grunt you'd think. Share this post Link to post Share on other sites
simon@vic   Posted July 5, 2005 IMHO the yami 5 valve motor is better. and can be woken WAY up with a YZ cam. but my next bike will be an EXC {575cc &sx cam}. i personally cant live with a 5 speed trans any more if I'm buying new. sob sob sob. Share this post Link to post Share on other sites
Dan_Lorenze   Posted July 5, 2005 An uncorked WR has the edge, I race my friends all the time same results, the WR. Share this post Link to post Share on other sites
Blaster21996 Â Â Posted July 5, 2005 I have stock chain wheels, with all the mods except the YZ cam advance. JD jetting Red #4 #48 Leak 160 MJ Throtle stop BRP insert Grey wire Boysen AP cover Share this post Link to post Share on other sites
Dan_Lorenze   Posted July 5, 2005 I have stock chain wheels, with all the mods except the YZ cam advance. JD jetting Red #4 #48 Leak 160 MJ Throtle stop BRP insert Grey wire Boysen AP cover You'll barely beat a PW50 with this thing: It's gotta go.... Share this post Link to post Share on other sites
Blaster21996 Â Â Posted July 5, 2005 What's got ot go? Share this post Link to post Share on other sites
clark4131 Â Â Posted July 5, 2005 You need to get rid of the silly straw inside the pipe as well as the bolt on tube under the cap. Also, a 160 main in Florida sounds awfully lean. I'm in Reno, NV at 4500' and I've been running a 165 and I need to bump mine up. You might want to try a 48 Pilot as well...SC Share this post Link to post Share on other sites
beezer   Posted July 5, 2005 What he means is get rid of the stock silencer. It makes a huge difference. Share this post Link to post Share on other sites
Dan_Lorenze   Posted July 6, 2005 What's got ot go? See the attachment in my post.. Share this post Link to post Share on other sites
Blaster21996 Â Â Posted July 6, 2005 What silencer is recomended? I read about the YOSH in "Dirt Bike" magazine's pipe test, it sounds like the pipe to get...... any other preferences? Gary Share this post Link to post Share on other sites
deadcarnahans   Posted July 6, 2005 Poor photography. Share this post Link to post Share on other sites
Dan_Lorenze   Posted July 6, 2005 Poor photography. Bite me! Share this post Link to post Share on other sites
drzjay400e   Posted July 7, 2005 What you should do is kick the wr into the pond and pick up a 525exc. Then you might beat the 450exc :-) Share this post Link to post Share on other sites
simon@vic   Posted July 7, 2005 What you should do is kick the wr into the pond and pick up a 525exc. Then you might beat the 450exc :-) besides being an 🙂 ,he has a point!!! the 510/540/575cc ktm motors fly. so does the hus 650fse. and they both have 6 gears......... more $$$, but well worth it. 🙂 Share this post Link to post Share on other sites
Blaster21996 Â Â Posted July 7, 2005 Crow will be served cold, cheese will be followed with a nice house wine ! Share this post Link to post Share on other sites
Texas4play   Posted July 7, 2005 What silencer is recomended? I read about the YOSH in "Dirt Bike" magazine's pipe test, it sounds like the pipe to get...... any other preferences? Gary I'm running stock pipe with pmb insert. If I was to do a pipe it would be the Yosh ... Share this post Link to post Share on other sites
Blaster21996   Posted July 8, 2005 Yea, that seems to be the pipe! I just ordered a 47 rear chain wheel and a 15 front...... maybe this will help against the 6 speed in the KTM 450 for top speed on road! 🙂 Share this post Link to post Share on other sites
