Maybe the answer is obvious but...

tlhamon · April 11th, 2010, 03:03 PM

Despite being mechanically inclined, I have never done much in the way of tuning an engine. I can take it apart and put it back together, but adjustments are beyond my current knowledge.

So here is my question:

I put my new slip-on on this weekend AND installed a K&N filter AND removed the snorkel. I have to ride the bike 16 miles to the dealer to have it rejetted and Dyno-ed. The bike is going to be running lean, obviously. Will running it with the choke slightly on compensate for this? It seems that the purpose of the choke is to reduce air intake and increase fuel intake. Is this a practical solution for my short ride?

Momaru · April 11th, 2010, 04:21 PM

On the ninjette the choke simply increases fuel supply. I wouldn't be overly concerned on a short ride like that getting too lean, but running with the choke on would likely help even things out between home & the shop.

In short: yes, it should.

ztrack157 · April 11th, 2010, 05:49 PM

It may be a little lean but not enough to do damage with a slipon.

Snake · April 12th, 2010, 03:14 PM

^^^ Yes but he has also installed a K & N filter which will lean it out even more.

April 11th, 2010, 03:03 PM	#1
tlhamon ninjette.org member Name: Thomas Location: Traverse City, MI Join Date: Feb 2009 Motorcycle(s): None Yet Posts: 183	Maybe the answer is obvious but... Despite being mechanically inclined, I have never done much in the way of tuning an engine. I can take it apart and put it back together, but adjustments are beyond my current knowledge. So here is my question: I put my new slip-on on this weekend AND installed a K&N filter AND removed the snorkel. I have to ride the bike 16 miles to the dealer to have it rejetted and Dyno-ed. The bike is going to be running lean, obviously. Will running it with the choke slightly on compensate for this? It seems that the purpose of the choke is to reduce air intake and increase fuel intake. Is this a practical solution for my short ride? __________________________________________________ It's not worth doing if you aren't completely stressed out about it.

April 11th, 2010, 04:21 PM	#2
Momaru ninjette.org certified postwhore Name: Paul Location: Roanoke, VA Join Date: Jun 2009 Motorcycle(s): 2008 Candy Plasma Blue 250R Posts: A lot.	On the ninjette the choke simply increases fuel supply. I wouldn't be overly concerned on a short ride like that getting too lean, but running with the choke on would likely help even things out between home & the shop. In short: yes, it should. __________________________________________________ Proud member of the Blue Army

April 11th, 2010, 05:49 PM	#3
ztrack157 The Sportisi Master Name: Matt Location: Chico Join Date: May 2009 Motorcycle(s): 2008 Ninja 250 Posts: A lot.	It may be a little lean but not enough to do damage with a slipon. __________________________________________________ Sportisimoto USA is born.

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April 12th, 2010, 03:14 PM	#4
Snake ninjette.org certified postwhore Name: Rick Location: Alexandria, Louisiana Join Date: Jan 2009 Motorcycle(s): 05 Blue Ninja 250 Posts: Too much. MOTY - 2017, MOTM - Jan '19, Oct '16, May '14	^^^ Yes but he has also installed a K & N filter which will lean it out even more.