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Carburetor vs Fuel Injection - Why Motorcycle Riders Should Think Again

Nov 12, 2021
that's a tough question this is a

carburetor

but you don't see it because the

fuel

injector replaced it as a better way to spew gas but it's because there's a subtle misconception and plain lie that bikers have bought into here and they both came from the automotive world primarily when we hit the gas we're not actually adding

fuel

we're opening this throttle valve to let more air through wind would be a more accurate expression so try that next time you drive your lady for a ride since our wind is flowing in one direction there aren't as many random air particle collisions which means there isn't as much air pressure and all we have to do is offer a fuel source here and it will be sucked into our intake tube because it has higher flow and lower pressure than charlie sheen's left nostril, you don't need an injector, just physical a, so how much fuel do we want? 8 8 18 18 so 25 seems like one part for every 12 and a half parts Air ish and that's a complete burn w here all the fuel makes all the power and not just the useless emissions problem is sometimes your engine pumps slow to times fast how do we make sure it feeds the right amount of gasoline? first you need a fuel line and a float to connect it this way our gasoline always starts at the same baseline so we can control its delivery rate so we have a jet that is the perfect width to deliver fuel at idle speed as the throttle needle rises it gradually exposes the main jet it is trimmed about a quarter to a quarter of the throttle then half trimmed three quarters trimmed but wide open the main jet is precisely the width of your drawers finally we need a way to manually throttle the air supply and trim the fuel mix this is only for special cases like when the air is thin in colorado then you have to screw the idle fuel level to match or when the fuel is cold on start no it vaporizes a lot, so you need to turn your air supply down to match ti pulling the choke knob and some people find it Inc.
carburetor vs fuel injection   why motorcycle riders should think again
It's convenient to pull the knob once or twice a day, but nine out of ten men don't give a voila, a purely mechanical route to near-accurate stoichiometry in a wide range of uses. People say that carbohydrates are simple once you understand them. Hell no so we invented electronic fuel

injection

you play with the throttle just leave it up to the engine sensors to measure how much air you let in so the engine computer can tell this little man how much fuel

should

squirt perfect simple and a complete lie and cars do custom refueling in real time but

motorcycle

s don't what really happens is they run a prototype on a dyno fast slow hot cold to determine the ideal amount of fuel for each condition this information is recorded in a fuel map which is then uploaded to each ecu that hits the showroom floor means i need a throttle sensor to read my idiot input a crankshaft sensor to read my throttle sensor rpm temperature pressure sensor the bike pulls all that information into its fuel map a and says that this it is the closest condition we experiment with.
carburetor vs fuel injection   why motorcycle riders should think again

More Interesting Facts About,

carburetor vs fuel injection why motorcycle riders should think again...

Let's test that amount of fuel. It knows how to start without choking. The maps have holes where you find quick throttles on many modern

motorcycle

s, not to mention no two machines are identical. The prototype is a grand piano that has all the strings tuned, but the fuel map your bike imports isn't tuning, it's just hitting the piano with someone else's hammer and hoping it sounds good, so both just provide almost precise stoichiometry so under your butt you can't tell the difference between them but keep fuel injected straight into the chamber leaves more room for air more air intake more boom

should

give more power and this gas spray cools the chamber directly which means we have a denser charge to compress a higher compression ratio

again

there should be more power yes yes it's all true and good in cars motorcycles can't squeeze direct

injection

because they accelerate so fast that there isn't enough time for the gasoline to spread out before it needs to fire

again

, so motorcycle fuel injectors Lets are all port injectors spraying in the same place as a

carburetor

same performance the big gains from fuel injection were always more relevant to cars motorcycles are just a drop in the ocean dragged in the wake of a ship that has already sailed There hasn't even been a carbureted car since 1990, the same year, coincidentally, Congress amended the Clean Air Act to encourage the use of fuel from corn and gasoline; ethanol gas separates into a gummy substance in a matter of weeks and the only reason it's not a major sticking point is because all cars now run on high pressure injectors which cleared the gun meaning motorcycles with carburetors recently became a pain in the butt if you forget this harley for four rainy weeks like i did it wont start Clogged ethanol jet which requires a thorough carb cleaning every four weeks so carbs and fuel injectors They work great, but injectors are the future because they enabled future fueling that made carbs a thing of the past and that's a clever trick.
carburetor vs fuel injection   why motorcycle riders should think again

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