Maintenance & Technical > KX500 Original
ATF as Gear Lube
5dracing:
I ran the ATF for about a month or aproximately 2000 miles. Decide to go back to 20-40. The egine leaks seemed to have sealed up (no puddles under the bike after a couple days) and the valve seals seemed to have tightened up (not as much smoke on cold startups). The ATF was very dirty when I took it out looking almost black. I put in the HP4 Honda oil and all seems well. Still ride it everyday except in rain now (its a little colder) and it runs just fine. I did notice something right away in the shifting of the bike when I went back to oil, I had to make a more positive shift. What I mean is I have to really step down on the shifter (heal toe shifter) and there is more "noise" during the shift than with the ATF. I've had a few false neutrals with the oil also. The outside air temp is lower now than when I made the change so that may have a little to do with it. I may go back to ATF in the winter just to see how it works.
So, until the snow flies I'll be riding.
hughes:
--- Quote from: 5dracing on September 24, 2007, 05:27:05 AM ---I ran the ATF for about a month or aproximately 2000 miles. Decide to go back to 20-40. The egine leaks seemed to have sealed up (no puddles under the bike after a couple days) and the valve seals seemed to have tightened up (not as much smoke on cold startups). The ATF was very dirty when I took it out looking almost black. I put in the HP4 Honda oil and all seems well. Still ride it everyday except in rain now (its a little colder) and it runs just fine. I did notice something right away in the shifting of the bike when I went back to oil, I had to make a more positive shift. What I mean is I have to really step down on the shifter (heal toe shifter) and there is more "noise" during the shift than with the ATF. I've had a few false neutrals with the oil also. The outside air temp is lower now than when I made the change so that may have a little to do with it. I may go back to ATF in the winter just to see how it works.
So, until the snow flies I'll be riding.
--- End quote ---
After reading your first sentence I realized you are using ATF to lube the gear box and engines crank/pistons/valves. Key word was valve seals :? ATF works great for gear box/clutch but not to lube the entire engine. Is this correct for what you were using the ATF for? Some motorcycles share the gear box oil with engines crank/pistons/valve train.
FactoryPhil:
Yeah if you are using it in a Goldwing the engine oil lubricates the clutch and trans also. I don't think ATF is an appropriate lubricant for the plain bearing crankshaft in that bike.
alan:
Same kind of bearing that are inside automatic transmissions as well as clutch plates! I am having trouble understanding that logic..........
Alan
hughes:
I could be wrong but I think trans(auto and motorcycles) have roller style bearings not plain bearings. Plain bearings requires oil pressure and film of oil between two surfaces. The ATF most likely did a o.k job of lubing the internals of the engine just wouldn't be my long term choice.
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