Maintenance & Technical > KX500 Original
ATF as Gear Lube
hughes:
--- Quote from: Jopiz on March 08, 2009, 04:50:32 AM ---My clymer recommends 40w for my bike, can i use 75w or 80w oil without problems?
Any comments about castrol mtx gearoils?
-J
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You do not want to use 75/85w auto diff gear oils in the gear box. Motorcycle gear oils are rated diff, The 85w bel-ray gear saver pours like ATF out of the bottle. auto 75/85w oil will be like puring cold syurp. That bel ray gear saver is great stuff but it looks and smells just like ATF and it's even the same color. If ATF can protect a trucks tranny for 50,000 plus miles of hauling boats,trailers,bikes etc then it will have no issue protecting a simple motorcycle gear box. Been using it for a few years with great results.
Motorrad:
--- Quote from: KX5 on May 27, 2009, 12:39:25 AM ---I bought ATF type F but I haven't used it yet because my bike isn't back together, It seems kind of light to me but I was wondering about 5W30? has anyone tried it? It seems like it would shift like ATF but maybe provide a longer time of protection and not break down as easy? I almost bought the royal purple stuff to try it. Also maybe if you added some Lucas trans slip it would make the ATF a little more sticky
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Never use synthetic ATF in bikes it makes the clutch plates swell. Absolutly no additives of any kind either. Just dextron 3 according to Gas Gas. I still don't run ATF in the I'd though tranny is not for it
hughes:
Always use use atf type f but I have used d3 with no issues. Type f just doesn't have all those additives.
Ahole500:
i may be a jackass but i've run automotive WYNNS 75-90 syn gear oil in mine for 1 yr now w/ no problem.i'm a GM tech and have a couple cases and some told me they run gear oil and never had any trouble so i did and i like it.but after all this ATF talk i dont know what i should put in it never oil change :|
SlideWays:
I made the switch to ATF type F a few months ago in my 98 KX 250, I had been running Royal Purple synthetic prior to switching. My clutch would stutter when cold at the beginning of the ride, since changing to ATF have not had the problem. Royal Purple cost $15.00 a quart vesus $1.98 for the ATF, I change mine at 10 hor intervals.
My 2000 KX 250 is starting to stutter now, :| so will make the change in it as well.
Slideways
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