Author Topic: Gear Oil?  (Read 9054 times)

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zedancinwrench

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Gear Oil?
« on: June 30, 2005, 06:32:45 PM »
I have a 1991 KX 500 that I just picked up, and need to know what kind of lube I should be running in the bottom end.


Thanks!


Travis

mikesmith

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Gear Oil?
« Reply #1 on: June 30, 2005, 09:34:05 PM »
I run 80w Bel Ray gear saver.

Offline 5dracing

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Gear Oil?
« Reply #2 on: July 01, 2005, 02:33:38 AM »
I use AMSoil for everything. I am currently reading and looking at the 75wt gear oil that they have out. It is to be high in shear strength and is to be good in wet clutch applications. $13 a quart though.
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Offline hughes

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Gear Oil?
« Reply #3 on: July 01, 2005, 12:52:06 PM »
Bel-Ray gear saver 80wt. mixed 50/50 with ATF.
Open Class 2-Stroke Kawasaki KX500
Yamaha 2005 YZ250
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Offline Timbowe

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Gear Oil?
« Reply #4 on: July 01, 2005, 05:49:20 PM »
Ams 20w 50 in every bike ive had.
KX500
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Offline hughes

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Gear Oil?
« Reply #5 on: July 02, 2005, 08:50:51 AM »
I am going to run full ATF this weekend without the bel-ray mix.
Open Class 2-Stroke Kawasaki KX500
Yamaha 2005 YZ250
Richard Hughes
Dirt Hammers - Online Off-Road Journal
hughes@dirthammers.com
http://www.dirthammers.com

Offline Timbowe

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Gear Oil?
« Reply #6 on: July 02, 2005, 05:12:26 PM »
I've heard a few bad stories about the ATF being run in bikes lately. Any one else? Good oil is cheap in the long run...
KX500
Weapon in the hands of the Master

Offline beastrider500

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Gear Oil?
« Reply #7 on: July 03, 2005, 01:05:54 AM »
Castrol GTX 10W40. It's cheap enough to change after every ride and seems to work quite well.
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Offline hughes

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Gear Oil?
« Reply #8 on: July 03, 2005, 10:17:56 AM »
I ran full atf this weekend with no clutch problems. If you think about what goes on in auto transmission with all the moving parts and gears it should be o.k for a simple gear box and clutch. The bel ray looks and smells just like AFT. My clutch acts up if I use standard 10w-40. The gear saver and the AFT seem to work the same for my clutch with no slipping. I just think AFT should have more shear strength then anything else. I change it after every ride(still using Alum. plates in clutch).
Open Class 2-Stroke Kawasaki KX500
Yamaha 2005 YZ250
Richard Hughes
Dirt Hammers - Online Off-Road Journal
hughes@dirthammers.com
http://www.dirthammers.com

Offline hughes

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Gear Oil?
« Reply #9 on: July 29, 2005, 07:28:43 AM »
Just update. I have been using ATF now for about the last 20 hours with exl. clutch operation and butter smooth gear shifting. I am using ATF type F which doesn't have all the friction mods. I have spoken with several people out at the track and alot of people are using ATF. I spoke with a local bike tuner that preps. race bike for racers and he using ATF type F. This stuff is less than $1.50 a quart at wal-mart.
Open Class 2-Stroke Kawasaki KX500
Yamaha 2005 YZ250
Richard Hughes
Dirt Hammers - Online Off-Road Journal
hughes@dirthammers.com
http://www.dirthammers.com

Offline Timbowe

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Gear Oil?
« Reply #10 on: July 29, 2005, 09:38:00 AM »
How long has ATF been popular with bikes? Like does it have a proven track record?
KX500
Weapon in the hands of the Master

Offline hughes

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Gear Oil?
« Reply #11 on: July 29, 2005, 01:05:33 PM »
Good question. I know of one person that has used it from day one in his YZ250. This bike is 5 years old now. My local bike tuner has been using it for 10+ years. I am going to stick with it and see what happens.
Open Class 2-Stroke Kawasaki KX500
Yamaha 2005 YZ250
Richard Hughes
Dirt Hammers - Online Off-Road Journal
hughes@dirthammers.com
http://www.dirthammers.com

Offline hughes

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Gear Oil?
« Reply #12 on: September 14, 2005, 05:39:19 AM »
Just keeping this updated. I have about 4 more rides with AFT Type F scents late post. This stuff really works. I encourge you to try it and you can feel the diff. in the shifting. Just my two more .02 cents
Open Class 2-Stroke Kawasaki KX500
Yamaha 2005 YZ250
Richard Hughes
Dirt Hammers - Online Off-Road Journal
hughes@dirthammers.com
http://www.dirthammers.com

Offline Johnniespeed

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Gear Oil?
« Reply #13 on: September 14, 2005, 01:09:09 PM »
I have used spectro clutch saver 10w30 for almost a year, recently the local dealer ran out so I tried spectro 80w gear oil. The 80w seems to downshift into first better at a stop. Keep us posted on the type F  ATF  because it would be a whole lot cheaper. I change trans oil once a week, which is about ten gallons of trail riding time. KX500 big hit is the best!
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red

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Gear Oil?
« Reply #14 on: September 14, 2005, 06:20:27 PM »
It's all about the ATF type F.have been using it on all the bikes i've ever had,no problems.