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12 votes
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Does leaving the choke closed increase fuel consumption

It absolutely does use more fuel. What the choke does is creates a restriction in the carburetor, which in turn creates a higher vacuum so the engine will draw more fuel when it is cold. This is ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
8 votes
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Basic operation of a choke valve

You should avoid over-use of the choke if possible, as over-fuelling the engine will cause more carbon build up, shortening the life of the plugs and reducing the time before the engine needs a "...
Nick C's user avatar
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4 votes

Hero Passion Pro - Choke Issues

I assume you mean that when the engine is cold, it requires the choke, but then if you stop and try to restart, then you have to turn off the choke. This is by design. The choke is a tool to allow a ...
Rory Alsop's user avatar
  • 18.6k
4 votes

Basic operation of a choke valve

What is the optimal use of a choke? Knowing how to use it as explained by Nic C What are the cons of using it incorrecly? Fouling spark plugs which will cause a misfire even after it warms up. ...
Moab's user avatar
  • 7,990
4 votes
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If I start a previously unfueled small engine, do I keep choke on for first pull only or until it starts?

I think you're overthinking it a bit. Just follow the directions. As far as fuel in the float bowl, if the fuel tank is above the carb (which I believe is the case ... especially if it doesn't have a ...
Pᴀᴜʟsᴛᴇʀ2's user avatar
3 votes

Why it is necessary to use choke for starting bike?

When the motor is cold, it needs a higher ratio of fuel to air in the cylinders in order to get them to fire, i.e. you need to add "extra" fuel in order to get it to start. Once warm, however, the ...
errantlinguist's user avatar
3 votes

Does opening the throttle mean a leaner fuel to air mixture for starting?

No (or maybe more accurately – not for long), that is why you have a choke. Opening the throttle does allow more air in, but should also be causing more fuel to come in as well to preserve the mixture....
dlu's user avatar
  • 14.5k
3 votes
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Hero passion pro India Bike is only get started on choke

Turn the choke ON to start a cold engine. Once it is running, set it to PARTIAL until the engine is warm. Once the engine has been running a few minutes, set the choke to OFF. Choke helps the engine ...
rpmerf's user avatar
  • 8,403
3 votes
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Is it OK to run a trimmer without the plate-filter support?

No. The manufacturers knew what they were doing. They put the plate there for a reason: and that is so that the air filter doesn't get stuck in your choke and get torn up. I discovered this by ...
anonymous2's user avatar
  • 5,235
2 votes
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1972 Honda CB750 Motorcycle Choke

Your carburetor looks like a Mikuni VM series, though I could be mistaken. Usually, pulling up the choke engages it, meaning that more gas per amount of air is flowing into the engine (air input is ...
anonymous2's user avatar
  • 5,235
2 votes

how to start a older car with an automatic choke?

An automatic choke is just a bimetallic spring. When the temperature gets cold enough the spring will pull the choke closed. There are two catches here. The first is that while the spring will put ...
vini_i's user avatar
  • 16k
2 votes

How to raise front of car safely?

If you require full clearance for both front and rear, consider that a set of vehicle lift ramps will work well and provide appropriate safety for a bit of extra work. As Solar Mike suggests, use a ...
fred_dot_u's user avatar
  • 4,640
2 votes

How to raise front of car safely?

You need a level solid surface and chocks both sides of the rear wheels. Soft ground, gravel etc can lead to problems so avoid that type of surface.
Solar Mike's user avatar
  • 34.6k
2 votes

I get confused to understand the choke on or off position of Yamaha Saluto RX

The BikesIndia page has a good picture of the choke switch on a Saluto: This shows clearly where on and off are. If yours is different, just try it. When cold, it may not start at all without the ...
Rory Alsop's user avatar
  • 18.6k
2 votes
Accepted

About choke in two wheeler

The choke is a cold starting device and should only be used until the engine is up to operating temperatures. Depending on ambient conditions, this could be less than the first km. Indeed in certain ...
Steve Matthews's user avatar
2 votes
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While riding bike , Pressing clutch turn off the motorcycle

If when you put the choke on the engine does not quit, it indicates the engine is running too lean (not getting enough fuel). This can be caused by a carburetor that is dirty or needs to be adjusted,...
CharlieRB's user avatar
  • 9,015
2 votes
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Why it is necessary to use choke for starting bike?

Yes this used to happen with me too. In the morning the motor is very cold and needs more fuel for burning. Thus without choke the normal mixture of air and fuel goes inside the engine, which it is ...
SaharshJ's user avatar
2 votes
Accepted

Engine Does Not Run with Choke off (Honda CB750)

My bet would be an air leak in you intake, this causes the mixture to go excessively lean. Consequently, it only runs decently when you choke it, and even then it may run badly because the mixture is ...
Bart's user avatar
  • 2,954
1 vote

Suzuki Gixxer mileage halved, could it be because of choke being on?

It's entirely possible that the application of choke would contribute to reduced fuel economy. In an engine that uses a carburetor, with no choke applied, the airflow past the fuel jet(s) provides for ...
fred_dot_u's user avatar
  • 4,640
1 vote

1982 Virago 750 starting problem; not starter problem but carburetor problem

I would recommend adjusting the pilot screws in both the front and rear carbs. To do this, get the bike warmed up, then turn a pilot screw in under the bike starts running rough, and turn that same ...
James's user avatar
  • 199
1 vote
Accepted

Turn push/pull motion into up/down?

Use a Bowden cable - think of the cable used for brakes on a bike... It is flexible and has been used for throttle cables for years... Connect it to the servo or mechanism on the body or handle bar ...
Solar Mike's user avatar
  • 34.6k
1 vote

What is the choke on off position in passion xpro?

Check this out.. It's the same question on another forum. Based on the markings on other motors I have, that should be closed/on and up would be open/off. Post a picture of the switch in the ...
kyle_engineer's user avatar
1 vote

What is the choke on off position in passion xpro?

Turn the choke ON to start a cold engine. I cannot see the image, so I do not know if this is vertical or horizontal. If you can look at the choke blade, the choke is ON when it is blocking the path....
rpmerf's user avatar
  • 8,403

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