Actually, I can do thsi on pretty much any fuel injected bike ive ridden within the first minute of operation. The best way to un-flood an engine is by removing the spark plugs, turning the choke off, and turning your motor over to drain all the excess gas. I tried starting the bike without the cold start on thinking that maybe the starting circuit was too lean but after 10-12 kicks I … A system and method for facilitating cold starting of a direct injected, two-stroke engine. On the other hand, what most riders like about fuel injected engines is that cold starts are much more simpler. Originally created for carbureted motorcycles, it can also be applied to motorbikes with fuel in… ... $750 less than the newly fuel-injected cruiser Z1000. Motorcycle Carburetor Vs. Fuel Injection ... doesn’t care if it’s hot or cold out or if you’re at sea level or riding over a mountain pass at 10,000 feet. What I'm finding though is sometimes the bike fires right up and sometimes it just cranks. Gas should not be used if it has been sitting for longer than 6 months. If you have time, allow the motorcycle to sit until everything evaporates. Won't start. From there, the fuel tap (petcock) has to allow fuel to flow. The process takes seconds to do but will help alleviate potential problems such as running out of fuel shortly into your ride, or a bike that jumps away at start up. RevZilla photo. The cold start on these bikes has no other function but to allow extra air into the intake, it is not really a choke at all cause it doesn't adjust the fuel at all. When it's cold outside the gasoline is less likely to evaporate. The replacement of choke by software-controlled "cold start enrichment" in fuel-injected engines, which lasts 2 minutes or less, with major reductions after 30 seconds, is why most modern engines (car) will last more than 100,000 miles. Should I add a little pre-mix oil to the gas? Most carbureted motorcycles do not have a fuel gauge. Because a cold engine doesn't vaporize gas as well as a hot one, you must put in a larger quantity of fuel to get enough vaporized gasoline to start the engine. This engine is combined with and advanced PGM-FI Fuel Injection Which means, Improved cold-weather startups, no-drama high-altitude riding and no … To start viewing messages, select the forum that you want to … Disadvantages of Fuel Injected Engine. Ninja 250 Rough Idle (cold start, then hard to find a happy idle at normal rpms) - Duration: 2:30. Fuel injection system is a complex electronic controlled device that related and connected with few electronic sensors and complex engine control unit. For the most part, motorcycles and carburetors have come to a parting of the ways. Stabilized gas should not be used after 6-12 months. Here’s a quick list of things to remember if you’re trying to start up a bike that ain’t fuel-injected. And stabilizer does not stop fuel evaporation. Riding while it is on can be a challenge as the revs are higher than in a car making gear changes painful and requiring a good degree of attention. On a fuel injected engine, the on-board computer will see the throttle open while cranking and shut off the fuel … Is it bad to lay a motorcycle on it’s side? Get gas into the carb. It is located in the middle of the upper intake manifold plenum. 1,905 Posts . Vic, see if your 14 wont do the same...Lets say, under 50 degrees. While a few carburetor-equipped bikes are still on the market, the vast majority of street bikes are now equipped with some form of electronic fuel injection, which despite the complication it adds, is both a better way to go, and undeniably here to stay, protests from the Luddites notwithstanding. Fuel injected vehicles that sit often have stuck or gummed-up injectors and stuck, inoperative fuel pumps. Testing procedures for these vary, so you'll need to refer to the shop manual for the correct method. The alternative for people who can’t or don’t want to store their bike with a full tank is to pour a few ounces of heavy oil — 50W at a minimum — into the empty tank. Some motorcycles, primarily those using remote fuel tanks or fuel injection, use an electric fuel pump. The first production bike I remember seeing was a Kawasaki. Dont tell anyone, but its very common. d) Dirty Carbs Normally I turn the key to the on position and listen to the fuel pump. No. Older, carburetted models have a poor cold start, so you may need to idle your motorcycle for some minutes. A hot engine quickly vaporizes fuel from the carb. New plugs seems to be an intermittient spark, Fuel pump comes on - Answered by a verified Motorcycle Mechanic These needs led to the development of fuel injection systems, which are used by the majority of cars and motorcycles today. I then have to shut the bike down and start over. From this fact, it can be further deduced that auto mobiles may have different problems in starting their engines. Most modern fuel injected bikes have an auto choke. My step dad is insisting that they have know clue what they are talking about because all I will do is flood it. Honda recommends the full-tank method for all its fuel injected bikes, and other manufacturers will most likely agree. I have a 1996 Ford windstar that is fuel injected, last week when it got cold it wouldnt start, so we had it towed in to be repaired. ... stalling issue when the engine is warm is the most common idle problem and it is mostly related to the very lean air/fuel ratio on the modern fuel injected motorcycle engine. Fuel injected engines would not become so easily moved by vapors as compared to other engines. Turn the ignition key to the start position and crank the engine for no more than 30 seconds, keeping the throttle pedal to the floor. Your motorcycle purposely runs “rich” and compensates for this initially by adding more gasoline to the air-vapor mixture. As fuel evaporates, it thickens and becomes gummy. Open the tank and check the fuel level. Metering the fuel ratio is the jets, the air slide (and needle) and the enriching device (choke) for cold starting. You won't be able to push start the bike fast enough to keep it going if it was completely dead. How do you all go about starting your fuel injected Dyna's? We say three to six minutes because that is the average time most riders spend on pre-ride activities – putting on bike wear, checking indicators, etc. You start bike and immediately drive off. started fine since new. The motorcycle is built on a strong twin-loop full-cradle steel chassis with a modern geometry, which is perfectly suited for the requirements of this class. Petcock position. Multiple European companies Moto Guzzi, BMW, all started models from Magnetti Marelli EFI around the same time. Unstabilized gas in a motorcycle can start going bad in about 30 days. 2002 fuel injected twin cam motor. B.S. Once its finished priming I hit the start button. Fuel stabilizer is usually good for some months, maybe a year. lately it is becoming hard to start cold, It cranks well (spins over) but won't fire on first start of the day but starts well there after. Yes the bikes are fuel injected and some people assume there might be damage or that its just not correct to use throttle while starting a fuel injected bike. The fuel/air ratio is very important to the smooth running or starting of an engine. That's the problem, you're actually putting extra fuel into the combustion chamber to make it burn and some of it … Motorcycle carburetors have either an enriching circuit, a choke or … My experience is that pulling the knob makes it start harder. The exposure to oxygen eventually changes the chemistry of gas which can lead to gum and varnish deposits. The same process can be used on motorbikes with fuel injection with minor changes. Discussion Starter • #1 • Mar 21 ... "never push start a motorcycle" What you should do, is charge the battery, or replace it with a new one. On models like this, three to six minutes is a good duration for pre-ride warming up. But as a rule of thumb, you can test the pump by one of two methods. No cold start issue in fuel injected engine so no need for manual chocking. Difficulty in starting a cold engine is really a problem especially to those living in cold areas. Klix 14,674 views KTM claims that you should pull the cold-start knob (which adds air) to compensate for the additional fuel. How to Start a Motorcycle (Fuel Injected or Carbed): One of the first things we learn in our motorcycle safety course are the letters FINE-C which is the sequence of processes for starting up a motorcycle. With a carbureted engine, you should turn the petcock into the "off" position, loosen the float bowl drain screw, and catch the fuel in a container. Another one of the fuel issues to check when your motorcycle won’t start is flooding. The motorcycle engine often stalls at idle after warm up. Back in the "carb" days, an engine was typically worn out, due for rebuild and TRADED IN by 100K. The Cold Start Injector is the responsible for supplying more fuel into the intake manifold for an easier start on cold temperatures. Both my c 14, and ninja will do this. Maybe with only the low beams on if you tied a rope to a truck and tried going 60mph it would work if the battery had a tiny bit left in it, but it would still die if the battery was COMPLETELY* dead. You may have to register before you can post: click the register link above to proceed. A modern engine should be able to cope with idling until the auto choke switches off at which point it is safer and more enjoyable to ride off. If you won't be riding your motorcycle for several weeks (if it's carbureted) or several months (if it's fuel injected), you'll want to make sure your fuel delivery systems are ready for inactivity. battery checks good under cranking load, new plugs, and fuel pressure is good. The tow truck driver, and the mechanic both then told me when its super cold out to lightly step on the gas, less than half way, when starting it. 2) Why a cold engine is hard to start? 2003 Harley Classic, fuel injected. That was from the earliest 1980s. Start by disconnecting the fuel line from the carburetor or injector. A look back at the origin of motorcycle fuel-injection on the 1980 Kawasaki Z1000 Classic. MOTORCYCLE TOPICS; Mods, Being Technamikle & Product Reviews; If this is your first visit, be sure to check out the FAQ by clicking the link above. Cranking for more than 30 seconds can damage the starter. 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