rear end problems - Yamaha YFZ450 Forum : YFZ450, YFZ450R, YFZ450X Forums

brandon-08 · 12-22-2011, 03:31 PM

hey guys i was recentaly riding at the mx track and heard squeaks and popping from the rear end so i instantaly stopped riding, anyways long story short the carrier bearings had somehow went all to hell and ruined everything in the rear end, which is gonna cost alot of money im sure atleast 1000$. any ideas on what may of happened and how to prevent it next time?????

jriffeIVlif3 · 12-22-2011, 04:45 PM

chain is prolly too tight

'05 YFZ Racer · 12-22-2011, 05:01 PM

Yeah the chain may have been too tight. When you get new bearings, press them in, spray them with White Lithium and wait for it to solidify. Don't go light on it either. Pick the seals on the bearings and spray them too. Make sure the chain tensioners are the same length out and there should be 1" of play in the chain with you on the quad. I run QuadBoss bearings and have never had a problem but some people run OEM and won't run anything else. Both are great but OEM tends to be a little pricey. Good luck.

brandon-08 · 12-22-2011, 08:05 PM

Quote:

Originally Posted by '05 YFZ Racer

Yeah the chain may have been too tight. When you get new bearings, press them in, spray them with White Lithium and wait for it to solidify. Don't go light on it either. Pick the seals on the bearings and spray them too. Make sure the chain tensioners are the same length out and there should be 1" of play in the chain with you on the quad. I run QuadBoss bearings and have never had a problem but some people run OEM and won't run anything else. Both are great but OEM tends to be a little pricey. Good luck.

pretty sure the chain wasnt too tight im almost positive the dust seal was damaged when powerwashing and crap got in the bearings... or they may of rusted. but anyways the manufacturer says i now need a new axel housing and a sproket collar... so idk looks im out of commision for awhile. thanks for the advice too!

'05 YFZ Racer · 12-22-2011, 10:36 PM

Can you possibly post some pictures of the damage? The dealer told me I would need a new carrier when my bearings went but I got my machinist to take care of it and cleaned it up and it's fine. And the collar might be salvagable also. If you post up pics I could tell you for sure.

brandon-08 · 12-23-2011, 10:05 PM

yeah im goin to the dealership tomoro will post pics of everything and tell me what you think and let me know if im bein screwed

'05 YFZ Racer · 12-23-2011, 10:26 PM

Alright sounds good. They may be charging you for parts that you don't even need. They make money that way. Darn stealerships.....lol

SuperCrew · 12-23-2011, 10:52 PM

One thing to make sure of once you do get it fixed is never spray directly at the sides of the carrier with a pressure washer. All you are doing when doing that is trying to force water past the dust seals. Another thing I always is force pack some high quality water proof grease like BelRay into the bearings before installation. I personally am not a big fan of lithium grese but that's just me.

funyun · 01-23-2012, 11:14 AM

Any updates? What would cost $1000 to replace? My carrier bearing went bad on my old raptor, metal shavings all over the place. Someone I was riding with had a spare carrier, popped it in and everything was fine.

12-22-2011, 03:31 PM	#1 (permalink)
brandon-08 Junior Member Join Date: Dec 2011 Location: east nc Posts: 7	rear end problems hey guys i was recentaly riding at the mx track and heard squeaks and popping from the rear end so i instantaly stopped riding, anyways long story short the carrier bearings had somehow went all to hell and ruined everything in the rear end, which is gonna cost alot of money im sure atleast 1000$. any ideas on what may of happened and how to prevent it next time?????

12-22-2011, 04:45 PM	#2 (permalink)
jriffeIVlif3 Member Join Date: Nov 2011 Location: Missouri Posts: 76	chain is prolly too tight __________________

12-22-2011, 05:01 PM	#3 (permalink)
'05 YFZ Racer Senior Member Join Date: Aug 2011 Location: Warren, PA Posts: 569	Yeah the chain may have been too tight. When you get new bearings, press them in, spray them with White Lithium and wait for it to solidify. Don't go light on it either. Pick the seals on the bearings and spray them too. Make sure the chain tensioners are the same length out and there should be 1" of play in the chain with you on the quad. I run QuadBoss bearings and have never had a problem but some people run OEM and won't run anything else. Both are great but OEM tends to be a little pricey. Good luck. __________________ Paul York #77 York Racing "RACE FOR A CURE" 2005 YFZ450 Modifications from York Racing, Pro Armor, Hot Rods, Wiseco, ITP, TUSK Offroad, and MAXXIS. Big Thanks To All Of the People Who Have Helped Me Over The Years: Mom And Dad Grandpa And Grandma Tom Carlson At TC Racing Nate McNett At McNett Performance ~In Loving Memory Of Dave Morelli, Thanks Grandpa~

12-22-2011, 10:36 PM	#5 (permalink)
'05 YFZ Racer Senior Member Join Date: Aug 2011 Location: Warren, PA Posts: 569	Can you possibly post some pictures of the damage? The dealer told me I would need a new carrier when my bearings went but I got my machinist to take care of it and cleaned it up and it's fine. And the collar might be salvagable also. If you post up pics I could tell you for sure. __________________ Paul York #77 York Racing "RACE FOR A CURE" 2005 YFZ450 Modifications from York Racing, Pro Armor, Hot Rods, Wiseco, ITP, TUSK Offroad, and MAXXIS. Big Thanks To All Of the People Who Have Helped Me Over The Years: Mom And Dad Grandpa And Grandma Tom Carlson At TC Racing Nate McNett At McNett Performance ~In Loving Memory Of Dave Morelli, Thanks Grandpa~

12-23-2011, 10:05 PM	#6 (permalink)
brandon-08 Junior Member Join Date: Dec 2011 Location: east nc Posts: 7	rear end problems yeah im goin to the dealership tomoro will post pics of everything and tell me what you think and let me know if im bein screwed

12-23-2011, 10:26 PM	#7 (permalink)
'05 YFZ Racer Senior Member Join Date: Aug 2011 Location: Warren, PA Posts: 569	Alright sounds good. They may be charging you for parts that you don't even need. They make money that way. Darn stealerships.....lol __________________ Paul York #77 York Racing "RACE FOR A CURE" 2005 YFZ450 Modifications from York Racing, Pro Armor, Hot Rods, Wiseco, ITP, TUSK Offroad, and MAXXIS. Big Thanks To All Of the People Who Have Helped Me Over The Years: Mom And Dad Grandpa And Grandma Tom Carlson At TC Racing Nate McNett At McNett Performance ~In Loving Memory Of Dave Morelli, Thanks Grandpa~

12-23-2011, 10:52 PM	#8 (permalink)
SuperCrew Senior Member Join Date: Jun 2008 Location: Nashville, TN Posts: 1,260	One thing to make sure of once you do get it fixed is never spray directly at the sides of the carrier with a pressure washer. All you are doing when doing that is trying to force water past the dust seals. Another thing I always is force pack some high quality water proof grease like BelRay into the bearings before installation. I personally am not a big fan of lithium grese but that's just me. __________________ 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.....

01-23-2012, 11:14 AM	#9 (permalink)
funyun Senior Member Join Date: Sep 2009 Posts: 2,571	Any updates? What would cost $1000 to replace? My carrier bearing went bad on my old raptor, metal shavings all over the place. Someone I was riding with had a spare carrier, popped it in and everything was fine.

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