Jump to content
Sign in to follow this  

2005 WR450 misfire

Recommended Posts

Stone stock except for the throttle stop mod. Runs great at slow speed/small throttle openings but misfires when I open it up on a flat road. I'm in Phoenix (1100 feet) and the temp was about 75 degrees.

The bike has about 50 miles on it.

Share this post


Link to post
Share on other sites

If it is cutting out at full throttle you may be rich on your main jet. What jetting are you at? I would run a 160 main, stock needle clip #4 and 45 pilot for your conditions. 😢

Share this post


Link to post
Share on other sites

Jetting is as delivred from the dealer which means I have no clue!!

I did the gray wire and muffler restrictor mods last night and will retest tonight.

Share this post


Link to post
Share on other sites

Here's the latest. I did the gray wire mod and removed the snorkle from the exhaust. The bike is now perfect, no wait PERFECT! No misfire, starts easier, reves quicker...all's well.

Share this post


Link to post
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Reply with:

Sign in to follow this  

×
×
  • Create New...