Motor Vehicle Maintenance & Repair Stack Exchange
Motor Vehicle Maintenance & Repair Stack Exchange

Questions tagged [choke]

The choke valve adjusts air pressure through restricting an intake manifold to deliver a richer air/fuel mixture. It is typically on carburetor engines and applied during a cold start.

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Does leaving the choke closed increase fuel consumption

I ran out of fuel using my outboard engine the other day, when I had checked the tank beforehand and thought I saw plenty of fuel. I had forgotten to open the choke for twenty minutes or so. My question is, does leaving the choke closed increase…
Nic
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Rough idle while warming up, goes away after a tiny rev

I have an 84 Ranger 2.8L V6. It seem that nearly every time I start the car, it has a pretty rough idle while it warms up. If I just rev the engine a little bit for a second and release (just barely tapping the pedal once), the idle smooths out…
Kevin Evans
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Basic operation of a choke valve

As user Steve Matthews pointed out on my last question Car interior rattles on idle The ideal use of a coke is "Use the choke until the car warms up properly. You can reduce the amount of choke gradually until it's fully off and keep the car…
EChan42
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Testing automatic choke on a scooter

My Peugeot Speedfight 2 is having trouble starting when cold. I took down the carburetor and cleaned it. The spark plug is also pretty new. I've read that automatic choke can be faulty but I don't know how would I test that. It is a choke that has…
ragezor
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Hero passion pro India Bike is only get started on choke

i am having hero passion pro new model in the morning when i start my bike with kick i have on the choke the bike started without no hesitation but when i pull of the choke after 15 seconds and restarted it ,its not restarting with reserve or in an…
faruk mahir
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What is the choke on off position in passion xpro?

Hi am greatly confused with the on/off position of choke in Hero Passion XPro (2014 model). I am able to set it in three different positions Vertical (the choke switch pointing downwards) (image below) Diagonal Horizontal (pointing towards the fuel…
AAG
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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 purchased a small engine inverter generator. It obviously has a carburetor and a choke valve. I just put in the oil and oiled the foam air filter element and am ready to break in the generator with variable resistive heater load. According to the…
juhist
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Is it OK to run a trimmer without the plate-filter support?

I've discovered the answer to this question by unfortunate experience, so I'm sharing it... I have an XT200 Weedeater Trimmer. In between the carburetor and the air filter is a thin metal plate called the Plate-Filter Support. Unfortunately, in…
anonymous2
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Engine Does Not Run with Choke off (Honda CB750)

I have a 1972 Honda CB750 that I have been working on and have a question about running the engine with the choke off. I originally posted this question (1972 Honda CB750 Motorcycle Choke) and it solved some of my problems but now that the bike is…
MillerMedia
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1972 Honda CB750 Motorcycle Choke

First, I have to preface that I am a complete newcomer to motorcycles. I don't have any people in my circle of friends that ride so I'm just diving in and learning and asking questions on here since I love it so much (so please bear with me!). I…
MillerMedia
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Does opening the throttle mean a leaner fuel to air mixture for starting?

As per the title, if I'm starting a motorcycle or lawnmower or something similar with a carburetor and I know the mixture is too rich, does opening the throttle lean the mixture out? I've got a klr650 that I can't adjust the pilot screw on yet and…
Hellreaver
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Hero Passion Pro - Choke Issues

I have a Hero Passion Pro Motorcycle. It does not get started when the choke is on. It does start when the choke is turned off? The engine produces a disturbing noise and smoke goes out when the choke is on when it's been started for the first…
user18855
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Can choke on a motorcycle compensate for dirty carbs without causing fouling?

My 92 Katana 600 dies on idle with the choke off, no matter how warm the engine. I've found that leaving it on 1/2 - 3/4 choke gives it a good balance. I know that choke can cause fouling and carbon deposits if you use it too much, but my thought…
user6086585
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Why it is necessary to use choke for starting bike?

I purchased Honda CB Shine 125 cc, When I start directly it not start, when I used choke and start bike it start and I on the choke for 10 to 15 secs(The choke case is always happen in morning time in a day). After a year still this process is…
Gourav Joshi
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Suzuki Gixxer mileage halved, could it be because of choke being on?

I recently dropped my suzuki gixxer 155 for a servicing to a new garage. I noticed that the mileage that my bike gave was almost halved, from 37kmpl to 20kmpl. Took the bike back to the garage. The guy changed the now old spark plug, which he said…
Pranav Sarda
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