04-06 "oil problem" - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums

Bonesx0x2x4x · 02-04-2012, 08:07 PM

Ok so I'm thinking about buying a yfz450...I can either get an 04 for 2500 or an 08 for 3500

I like the 04 better cause it's white and looks fresh but I keep hearing about these "oil problems"...

I'm a very moderate rider...ride a lot of trails and do some minor hill climbs....do these "oil problems" only effect people who race or is it pretty bad even for the most lay back rider?

Bonesx0x2x4x · 02-04-2012, 08:08 PM

Also what exactly is the "oil problem"?

Itr.#1446 · 02-04-2012, 08:14 PM

Oil Mod Completed

GU_NORCAL_YFZ · 02-04-2012, 09:15 PM

I'd go with the 2008 it has the oil upgrade and its a 450 not 439 i had a 2005 did the oil upgrade from jtatv its easy but the power is better in the 2008

Bonesx0x2x4x · 02-04-2012, 10:14 PM

Alright so what exactly is the oil issue??...I imagine a lack of flow but to what?

SuperCrew · 02-04-2012, 10:21 PM

The oil mod puts a nozzle in that oils the wrist pin properly to prevent it from seizing up. The other benefit on the 08 that's not been mentioned is better shocks, better seat, and the 04-05 had some serious electrical issues.

becareless06 · 02-05-2012, 06:15 AM

Like wat electric issues I just got an 05

GU_NORCAL_YFZ · 02-05-2012, 11:37 AM

i never had any electrical issues with my 2005 here is some info on the oil upgrade its fairly easy to do you take yours off send it and he sends it back ready to install

YAMAHA YFZ450 OIL UPGRADE

tank1 · 02-05-2012, 11:59 AM

Personaly I perfer the 04 seat over the newer years. The 08 shocks are a little better but not by much imo. I have 2 04s and 2 05s with no electricle problems at all. I would get the 04 because you could do alot to it with the extra $1,000. I have a complete ready to bolt on and go 07 side case with oil squirter in very good condition. $100 shipped priority mail.

02-04-2012, 08:07 PM	#1 (permalink)
Bonesx0x2x4x Member Join Date: Feb 2012 Posts: 79	04-06 "oil problem" Ok so I'm thinking about buying a yfz450...I can either get an 04 for 2500 or an 08 for 3500 I like the 04 better cause it's white and looks fresh but I keep hearing about these "oil problems"... I'm a very moderate rider...ride a lot of trails and do some minor hill climbs....do these "oil problems" only effect people who race or is it pretty bad even for the most lay back rider?

02-04-2012, 08:14 PM	#3 (permalink)
Itr.#1446 Junior Member Join Date: Apr 2011 Location: Sussex nj Posts: 29	Oil Mod Completed __________________ 06 yfz450 intake baffle removed zip and cam mod

02-04-2012, 09:15 PM	#4 (permalink)
GU_NORCAL_YFZ Member Join Date: Dec 2005 Location: Yuba City,CA Posts: 87	I'd go with the 2008 it has the oil upgrade and its a 450 not 439 i had a 2005 did the oil upgrade from jtatv its easy but the power is better in the 2008 __________________ NAUTICAL PARTS & APPAREL

02-04-2012, 10:21 PM	#6 (permalink)
SuperCrew Senior Member Join Date: Jun 2008 Location: Nashville, TN Posts: 1,258	The oil mod puts a nozzle in that oils the wrist pin properly to prevent it from seizing up. The other benefit on the 08 that's not been mentioned is better shocks, better seat, and the 04-05 had some serious electrical issues. __________________ 2012 ZBROZ Rider Support Program 07 Ballance Bike< ArsFx +0.5 A-arms, ArsFx Pro Series Swinger & Linkage, EXIT 2 Shocks, ArsFx +2 antivibe stem, Fasst Flexx Bars, Houser Bounce Nerfs, Precision Pro Stabalizer, Quad Tech Hump Seat, E-Sticky Graphics, ATP Head, Rekluse Z-Start Pro, Motoworks SR4 G2 05 YFZ Practice Bike< ArsFx +0.5 A-Arms, ArsFx +2 antivibe stem, Precision Pro Stabalizer, Fasst Flexx Bars, Houser Bounce Nerfs, Motoworks SR4 G2, Ohlins Ballance Shocks, ArsFX linkage.....

02-05-2012, 11:37 AM	#8 (permalink)
GU_NORCAL_YFZ Member Join Date: Dec 2005 Location: Yuba City,CA Posts: 87	i never had any electrical issues with my 2005 here is some info on the oil upgrade its fairly easy to do you take yours off send it and he sends it back ready to install YAMAHA YFZ450 OIL UPGRADE __________________ NAUTICAL PARTS & APPAREL

02-04-2012, 08:08 PM	#2 (permalink)
Bonesx0x2x4x Member Join Date: Feb 2012 Posts: 79	Also what exactly is the "oil problem"?

02-04-2012, 10:14 PM	#5 (permalink)
Bonesx0x2x4x Member Join Date: Feb 2012 Posts: 79	Alright so what exactly is the oil issue??...I imagine a lack of flow but to what?

02-05-2012, 06:15 AM	#7 (permalink)
becareless06 Member Join Date: Jan 2012 Location: west virgina Posts: 30	Like wat electric issues I just got an 05

02-05-2012, 11:59 AM	#9 (permalink)
tank1 Senior Member Join Date: Dec 2006 Posts: 109	Personaly I perfer the 04 seat over the newer years. The 08 shocks are a little better but not by much imo. I have 2 04s and 2 05s with no electricle problems at all. I would get the 04 because you could do alot to it with the extra $1,000. I have a complete ready to bolt on and go 07 side case with oil squirter in very good condition. $100 shipped priority mail.

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