HUGE starting and low speed improvement on my '07


2 replies to this topic
  • Polar_Bus

Posted April 21, 2007 - 04:02 PM

#1

I swapped my pilot jet to a #48, and 1 3/4 turns out on the screw, and wow, what a big improvement on cold starting, warmup, and low speed snap!!! 2 kicks cold, and my bike lites right off, let the engine run for like 45 seconds, shut off the choke, and off I go! Bike runs excellent. 2 Kicks with the hot start lever and it starts right up hot also. I will probably end up going back to stock jetting in the hotter summer months, but for now my 450 runs perfect. I also bumped my main jet to a 162 while it's cool here in New England.

Heres a pic the day I brought it home:

Posted Image

Visit the ThumperTalk Store for the lowest prices on motorcycle / ATV parts and accessories - Guaranteed
  • Bigcr

Posted April 22, 2007 - 06:24 AM

#2

That's an EXCELLENT combination of bikes you have.


Arigato

  • Polar_Bus

Posted April 22, 2007 - 02:06 PM

#3

That's an EXCELLENT combination of bikes you have.


Arigato


What's up, "past" friend! :applause:





Related Content

Forums
Photo

BIGBORE FOR YZ450F 2006? by Taattie94


Dirt Bike   Make / Model Specific   Yamaha   YZ 400/426/450
  • 5 replies
Forums
Photo

James Stewart back on a YZ450F by YamaLink


Dirt Bike   Special Interest Forums   Pro Racing
  • Hot  47 replies
Reviews

Yamaha YZ450F 2017 by Chris.GVS


Yamaha YZ450F 2017
  • * * * * *
  • 1 review
  • Last review by Tommyk_55
  • On January 15, 2017
Forums
Photo

Should I buy this bike? help....... by Numsa Hul


Dirt Bike   General Dirt Bike Forums   What bike should I buy?
  • * * * * *
  • 10 replies
Forums
Photo

Chubby dad, looking at bikes , First trip to the orange/black forum ! by Slow_ride


Dirt Bike   Make / Model Specific   KTM   250-530 EXC/MXC/SXC/XC-W/XCR-W (4-Strokes)
  • Hot  28 replies
 
x

Join Our Community!

Even if you don't want to post, registered members get access to tools that make finding & following the good stuff easier.

If you enjoyed reading about "" here in the ThumperTalk archive, you'll LOVE our community. Come join ThumperTalk today!

The views and opinions expressed on this page are strictly those of the author, and have not been reviewed or approved by ThumperTalk.