Maintenance & Technical > KX500 Original
OIL MIXTURE
BigGreenMachine:
http://www.maximausa.com/technical/oilmigration.html
This second article really speaks for itself. I know its old and oil has come a ways but the results are there.
http://www.bridgestonemotorcycle.com/documents/oilpremix6.pdf
gowen:
--- Quote from: BigGreenMachine on September 10, 2007, 01:49:12 PM ---http://www.maximausa.com/technical/oilmigration.html
This second article really speaks for itself. I know its old and oil has come a ways but the results are there.
http://www.bridgestonemotorcycle.com/documents/oilpremix6.pdf
--- End quote ---
Oil has come a hell of a long way since the bridgestone article. With the Maxima, I don't rely on information coming from a specific oil company. Usally it always leads back to their products.
I personally use my own experience, inexperience, what worked for me, and what screwed me, to come up with my thoughts on oil mixture.
50:1 worked for me over the years of drag racing with only 1 nuked motor (due to my own stupidity, didn't shake my can of C12 after letting it sit for a few weeks). I also believe KXCam2 got about 10+ years out of his KX500 on a single top-end running 50:1+. I doubt he "took it easy" over the years.
But, whatever works for you. MC1 @ 50:1 worked for me.
KXcam22:
12 years at 60:1 with MC1, I am guessing 400 hours. Powervalve was clean with no wear, could have almost reused the piston but found a small crack. That 16:1 talk is from the 1960's. When I was a kid, my dad had an old outboard that called for 16:1. It was a 40 pull starter(my job). I switched it to my belray MC1 85:1 race mix (recommended by belray in late 70's) and it turned into a 1 or 2 pull starter. Oil definitely does NOT make power. Cam.
PS here's my proof. Go to any 4-stoke national. The more oil that starts comming out the tailpipe the less power the bike starts making - until it makes none at all.............HaHa
kaw rider:
well next month when i test on the dyno with my new programmable ignition i will test different oil mixtures to show the haters.
Rotorised:
It sounds to me like its not getting enough air, and when you are putting in more oil you are lowering the amount of fuel in the mixture and getting a better air/fuel ratio to your jetting.
Whenever I have changed from 32:1 to 40:1 from previouse owners I havent noticed much difference in power but if you then tune it for the extra fuel you will find a bit more power.
Maybe try running say 32:1 then change to 40:1 and lean off the jets or move the needle clip and see what results you get :-)
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