Ok no ones talking about 10:1 or 15:1, they seem to be running 32:1 to 40:1. and you know were talking about dirtbikes? they don't want to do dyno runs, they just want to know why his bike eats plugs, If you know how jetting/carb works then you can see things in a different light. I'm just...
Article by Spanky:
"Throttle Ranges:
Pilot Jet/air screw:0-1/4.
Needle Jet:1/4-3/4
Main Jet: 3/4-Full open
A correctly jetted carb makes a tremendous difference in the torque, midrange pull, top-end pull, and over-rev of your engine. If you have never jetted your bike correctly, you will...
Motocross26
09-03-2006, 05:17 PM
Is there drool "spooge" running down your silencer at the end of a ride? Does your bike smoke at operating temperature? Do you foul plugs on a regular basis? Is your throttle-response poor and boggy?
If you answered "yes" to any, or all of these, your problem...
Preventing Fouling:
So you’re probably asking yourself, why are my spark plugs fouling? The answer is simple.
Snowmobile manufacturers tend to jet carburetors on the rich side as a safety factor in order to prevent engine damage and warranty claims. In addition, manufacturers have to consider...
Are you fouling plugs? Many people will tell you all sorts of band-aid fixes, from running less oil, to running a hotter plug. Both are incorrect fixes for plug fouling. It's all in the jetting.
The only way to know what jetting changes you will need is by trial-and-error. No one can give you...
Actually, you can get more horsepower out of a two-stroke engine with enough extra oil in the gas, because the oil provides a better ring seal and, therefore, more compression. People think that gas burns more efficiently with less oil, and therefore you get more performance. It almost makes...