Posted November 04, 2009 - 06:55 PM
My beautifull WR450F...
The only problem is that i feel my bike is not so powerful as it should be.
I have watched many motocross / motard videos with WR450's and it looks like the bike's is going on rearwheel in every gear, just turning the throttle
My bike doing easy powerwheelies (no clutching) in the two first gears, then i can gear away all the way to 4th/5th gear
But when i use 3rd gear i have to clutch and pull the handlebars hard to get it up.... mostly of the time in 3rd, i dont get it up.
I have done Airbox mod, grey whire, throttlestop mod and exhaust baffle mod.
The exhaust baffle mod, gave me alot of more power than original, but i feel its still not enough.
It seems like it runs fine when the engine are cold and hot.
It always starts on first atempt.
So my question must be... are my bike totally normal or is there something wrong with it?
Posted November 05, 2009 - 04:38 AM
Is it posible that i need re-jetting even when my bike runs fine?
Posted November 05, 2009 - 04:30 PM
Or, do they have cam's, big bore kits, full race exhaust....you get the idea....
Also, suspension plays big part. I find hard/or firm suspension = wheelies, while soft suspension = not as easy to pull the front......
Posted November 05, 2009 - 05:10 PM
Posted November 06, 2009 - 06:28 AM
Posted November 06, 2009 - 08:44 AM
I take it you run 13-42 with 17" SM wheels, I have 14-42 on mine 07 SM and it lifts front in 1st and 2nd just by accelerating from low revs(no throttle snaping required just accelerates so hard it lifts the front), in 3rd gear would lift if I snap the throttle and pull the handlebars, in 4th or 5th I've never pulled a wheelie but wasn't tempted really and I'm no good at it, the bike has FMF powercore with quite end tip, powerbomb header, airbox opened and jeting done by a dealer, I never used the clutch for wheelies on the WR though as I'm trying to be gentle on the gearbox, I rode mates 07 YZ450 and it does in 4th what mine does in 2nd gear, not as fast in top than due to different gearbox and bike purpose, hope that helps
Getting my new Exhaust on Sunday or Monday... so hopefully there will be some action then.
But still it sounds like you're bike is a lot more powerful...
In 2'nd i have to snap the throttle to lift the front.
and in 3'rd its almost impossible still with clutch.... i can do it if i sit way bak on the bike pull hard, and snap the clutch out and i have to do it on the right RPM to get the power.
Maybe i have to bring the bike to a dealer and make them re-jet it... after i mount the new exhaust.
I don't know whats inside the carbulator or what i need. cant cost that much
Posted November 06, 2009 - 08:59 AM
Posted November 07, 2009 - 01:07 PM
Posted January 12, 2010 - 04:01 PM