I just like to know what people jetting people are running with the Yoshi pipe.. Thanks
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Senior Member
I just like to know what people jetting people are running with the Yoshi pipe.. Thanks
Registered User
He also has a K&N air filter. What is everyone one running in theirs??
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Registered User
LTZ400 Full System Exhaust:
2175157, 2175500
Jetting for Stock Airbox with no modifications:
Mikuni main jet #122.5
Jetting with airbox snorkel cover removed:
Mikuni main jet #145.0
Jetting with airbox lid & snorkel cover removed:
Mikuni main jet #150.0
http://www.yoshimura-rd.com/corrections.asp
Special Thanks to 2006 Sponsor's
* RISSLER'S EXTREME ATV *
Rossier Eng.
Ars/Fx - Z-bros Racing
Custom Axis
Maxxis Tires
Cardio Stack
Tire Balls
IMS Products
Moose Racing
PRM - Products
GPR Steering Stabilizers
Fasst Co. Flexx Bars
Spider Grips
Panda Powder Coating
MSI Racing
DMR-Xc
2007:
#45 GNCC College A 16-21
2006 Open A - 7th
2005 GNCC Open A - 6th
Race Bike - 06 450ER
Practice Bike: 04 450R Feb. QOTM !!!
PERMAGRIN
I just have the Yoshi slip on and i use the stock main jet with no airbox mods and the spark plug looks great!
2001 Yellow 400 EX Loaded - SOLD
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Senior Member
150..remove air lid and snorkel.
LTR450
Senior Member
Do you have to change anything other than the main jet?
06 LTR450
04 KFX400
05 Xtreme 125cc Pit Bike
LOL I like FIRE LOL
What are the stock size jets?
2011 Can Am Commander
Just getting started with a winch for the moment.
2001 Yamaha Wolverine
2003 KFX 400
Full Yoshimura RS-3 Exhaust
Full Pro Armor Skids
Pro Armor Race Bumper
Renthal Bars
ITP Holeshot H-D Fronts
Rear-Oh, I have Tires for there! LMAO
IMS Tank
"05" Shocks
Power Now Valve
Dial A Jet
More to come!
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Senior Member
Yosh slip on stock jetting, uni air filter, no air box mods and it still eats ex's for breakfast.
Go with what Yosh says they have they dyno sheets there to. Plug looks great and it hauls
Senior Member
2003-2004 main was a 125. Yoshi calss for a 125.
2005 and up is a 130 not much bigger but you know you'll be on the safe side
LOL I like FIRE LOL
Goose--I just installed a Yoshi RS-3 Full Exhaust on my 2003. Yoshi calls for a 122.5 Main with no mods to airbox. I just took it for a ride and checked the plug and its white. If I have a 125 in there now what should I go to? A 122.5 like they call for will be leaner and the 125 is lean now. Also what about needle position?
2011 Can Am Commander
Just getting started with a winch for the moment.
2001 Yamaha Wolverine
2003 KFX 400
Full Yoshimura RS-3 Exhaust
Full Pro Armor Skids
Pro Armor Race Bumper
Renthal Bars
ITP Holeshot H-D Fronts
Rear-Oh, I have Tires for there! LMAO
IMS Tank
"05" Shocks
Power Now Valve
Dial A Jet
More to come!
2007 KLX 250 S
Just startin'!!!
2000 416EX **SOLD**
Ride Hard, Ride On and Ride Free!!!
Save our Riding Areas!!!
Bonded By Mud ATV CLub
"If ya can't get around it jump it!"
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