Fuel injected bikes start much easier in cold weather vs carbureted motorcycles, however a well functioning and tuned carburetor will have no issues with cold starts.
You take the bike out start it up, and immediately when you take the choke off the engine dies? This problem can usually be attributed to a clogged pilot jet. A pilot jet is an orifice in the carburetor which supplies fuel to the engine at low throttle conditions. However once you push the choke in, all that air rushes in and creates a lean fuel mixture. The engine struggles to create power and dies. Function of a Motorcycle Choke A choke is used to help engines start.
How to Use the Choke Learning to use a choke can sound like challenge to new riders, but its actually very simple. The choke is shown in the closed position not restricting air flow When you go to start your motorcycle you should pull the choke out as shown in the image below.
When Should the Choke Be Used? Do Fuel Injected Bikes have Chokes? Share this: Twitter Facebook. This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish. Close Privacy Overview This website uses cookies to improve your experience while you navigate through the website.
Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. How to start a motorcycle with a choke? Push down the kick-start lever and turn over your engine without using the starter button or electric start just yet. What to do if my motorcycle engine only runs on choke?
Why it is best not to ride with the choke on? Removing the Choke: How long should I wait? Can I turn off the choke while riding my motorcycle? Is it harmful to my motorcycle to ride with the choke on? When is it better to ride with the choke on? Do all motorcycles have a choke? Claim Freebies. About The Author. We love to explore everything the world has to offer We will continue to provide even more valuable content that keeps you riding safely! More To Explore. DIY Read More ».
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Our team are always on hand to help guide you in the right direction and ensure you feel comfortable in whatever you need. The store will not work correctly in the case when cookies are disabled. How a Choke Works in Motorcycles. Tuesday, 27th August Categories: News. Why is it that starting a motorcycle on a cold winter morning can be a struggle? But what exactly is a choke valve or cable and what do bike owners need to know about it?
What is a Choke Valve? Simply put, the choke is about making more fuel available for the engine to use. Using a Choke on a Motorcycle There is no harm using the choke to start an engine. Using it unnecessarily will only lead to increase fuel usage but no damage to the vehicle. Helpful People Motorcycle Clubs, Events. Why come? Locations Discussions Tell your story! Tell your story! Host a meeting! Photo Contest! DVD Free Newsletter! Support Horizons Unlimited.
Already have an HU account? Become a Contributing or Gold Member here! New to HU? Tips: New to the Forum? Or maybe haven't checked out the FAQ? Hey guys, Any advice or tips on the best way to use the choke on a motorcycle? Turns out my bike has got one and the mechanic recommended I use it each time I start the bike up from cold.
But how much choke should I use? How long should I keep it open? Should I use it every time I start up the bike? Share Share this post on Digg Del. It's one of those things you get to know I've had bikes that didn't like full choke, some like a whiff of throttle, some have tested my patience and endurance trying to start them. One bloke I knew pushed a bike up and down a very big hill trying to start it, he failed, and on the last run down the hill let it free wheel and jumped of as it launched into the river!!!!!
Patience and understanding. If you leave the choke on too long the bike will stutter and hold back. If you knock it off too soon the bike will die as you open the throttle, you'll get to know the spot on the road where the motor is warm and happy with no choke and knock it off at that spot automatically.
Last edited by oothef; 22 Jul at Reason: Thought. Your mechanic is right. When the engine is cold some of the fuel it gets from the carburettor condenses on the walls of the combustion chamber, so the mixture becomes too lean.
The choke compensates for that. It will also open the throttle slightly, compensating for the fact that the engine needs more force to turn, because the oil is cold.
How much to use depends on your bike and the ambient temperature. Start off by putting it to full on. Once the engine is running smoothly you should ride off, don't warm up the engine standing still. You should be able to put the choke back fairly quickly. Experiment, you will soon find out what works best for you. Yes, you can do damage if you leave the choke on for a very long time: too much petrol gets into the engine and washes off the oil film, so the piston will have insufficient lubrication.
On many bikes you will notice that it won't run right, but on some you don't. You will have to remember it, just like you must remember to retract the side stand before riding off. Don't use the choke if the engine is warm. Europe to NZ Seriously though, Why not? Is there a mechanical reason for this I always use the choke if engine is cold and let the bike warm up to operating temperature before closing the choke and riding away.
Only takes minutes and it feels more sympathetic to the bike it has feelings! I think it's because you're using fuel and going nowhere:- bad for the environment. However pulling out onto a main road and stalling could be very bad for your environment! Originally Posted by garmei. Good point, well made, I've obviously been sat idling too long!
Hi Ho Silver Most intersesting Beddhist. I getcha. OK, minutes was an understatement. Basically, the bike is pretty close to operating temp before I leave as it dles smoothly and revs right feels right. What interests me is the idea that the best way to warm the engine up is to ride it gently , this being the most efficient and quickest way, thereby minimising the amount of time the engine runs cold. I've never considered this before and it does make sense.
My thinking is that the higher revs used when riding would be more damamging to a cold-ish engine even though the warm up period is a lot shorter than it would be if warming up stationary.
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