Questions tagged [carburetor]

A device on an internal combustion engine that meters the flow of fuel at a particular dynamic rate into an internal combustion engine

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9 views

2001 Suzuki gz250

I bought a used 2001 Suzuki gz250, it was not leaking gas at all when I bought it, but for some reason now it’s a continuous stream from the overflow,when I’m running the bike or if the gas is turned ...
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32 views

Engine runs with carburetor's idle mixture screws closed [duplicate]

I have a Rochester Quadrajet on my boat and have been attempting to tune it. It seems that I'm getting too much fuel in with my mixture as I'm blowing black smoke. If I close the mixture screws ...
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Engine hesitating to start when clutch pedal is pressed

Recently I started noticing a weird problem with my car (Maruti Alto LXI 2009, Manual petrol with carburetor) that when I press the clutch pedal and the car is in gear it hesitates (it cranks but not ...
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Plenum in air intake system of automobiles

What is a plenum? What role does it play in the air intake system of cars?Do naturally aspirated engines use plenum?
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1986 Dodge B250 - sudden fast idle and low “thudding” sound from exhaust

My 86 dodge van with the 318 engine recently acted up shortly after starting. This is a carburetted engine with an automatic transmission. I was letting it sit at idle to bring the engine up to ...
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Vacuum never decreases while leaning out carburetor mixture

I have a Rochester Quadrajet 4MV carburetor that has 2 mixture adjustment pins in the front of the carb. As I understand it, you tune these by continually tightening the mixture screws while watching ...
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Carburetor adjustment ordeal: always rich on mid/high revs

So I'm trying to adjust a soviet K-22G carburetor which was placed long time ago in a Chevrolet 235 6L engine. It "works" but I don't seem to find the right spot to make it run as it should. ...
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38 views

Motorcycle V-Twin CV carbs riding poorly on 1/4-3/4 throttle after carb rebuild

Background: The bike Suzuki Intruder VS1400 model 2000, ran fantastic, but started to stall on idle when I used old fuel in it. What I did: I cleaned the two CV carbs. Didn't replace anything. I found ...
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91 views

97 Corolla won't start. New battery, spark plugs and HT wires. Carburetor coughing smoke

My 97 Corolla won't start. The battery, spark plugs and high tension wires are all brand new. When I try to start the car, it cranks until the carburetor eventually "coughs" and white smoke ...
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49cc stand-up scooter won't start fuel is flowing back in the tank instead of the carburetor

49cc stand up scooter wont start. When i prime it i can see the gas going backwards instead of to the carburetor. I have a new gas tank the carburetor is fairly new I take the spark plug out and it's ...
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Rough idle in Ford Capri mk2 1977 V6 with Solex carburetor

I know internet is filled with questions like this but I'm out of options so I turned into stackexchange as a great source of knowledge. So my old green capri has the rough idle. Car data: Ford ...
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Second butterfly valve in riding lawnmower?

So I am helping out my neighbor with her lawnmower, tuning it up and what not for the summer. I noticed that when running the lawnmower, as soon as you take it off of choke, it revs up as fast as it ...
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What is the plastic plug for on the bottom of an SU HS4 Carburettor Piston?

Please could somebody explain the purpose of this plastic plug on the bottom of my SU HS4 carburettor piston? The lip of the plug protrudes very slightly from the bottom of the piston (shown bottom ...
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Scooter stalling when idle and warm

I have a 50cc scooter gy6 and it dies when stopping at traffic lights or when idle in general. it has a brand new carburator. Things I have noticed: When it is cold it does not do it that often but ...
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Beginner bike - carburetor vs fuel injection

I'm looking to purchase a beginner motorcycle/bike. I would like something that has less maintenance / potential for issues. Which one is less likely to be an issue in a bike - carburetor or fuel ...
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My motorcycle bogs

I have a 2007 Honda shadow spirit 750. My motorcycle Boggs when I open the throttle, it idles fine. When I bought the bike the guy said the petcock was bad and that there are bigger jets installed in ...
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Which model to buy in between TVS Apache RTR 160 4v Carb or FI? [closed]

I am from Lucknow, India. I am planning to buy TVS Apache RTR 160 4v but I am really confused about whether to buy a carburetor version or fuel-injected version of the same. The ex-showroom price of ...
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Why with the addition of a gy6 50to100ccbbk,44 stroker,20mm cvk carb with 33 pilot and 105 main jets does my gy6 engine still nog down?

Gy6 50 to 100cc Tao Tao atm-a1 50 scooter. I've tried: Going up and down on jet sizes Cleaning carb Replaced carb New pod filter Advance timing 2 degrees New cdl Checked fuel flow from carb Changed ...
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56 views

Primer bulb not drawing fuel

I had an old 21cc two stroke weedwacker engine that I had lying around and was trying to rebuild it for use in a possible hobby project. It sat with gas for a very long time so I disassembled the ...
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1answer
40 views

2004 Honda CB599 cylinders 1 and 2 don't run

Hello I appreciate any input you might have. This all started yesterday, I have a 2004 Honda CB599 carbureted. I was using a little tire pump to put air in the tires and the bike suddenly died. I ...
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What is the exact name of this RC nitro engine specific carburator part?

I've a Traxxas Pro .15 engine with me. The rubber boot attached to "Throttle lever" on my carburetor is cracked (picture given below). The engine has been in storage for the last one year. Yesterday ...
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38 views

motorcycle sputters and temporarily dies

Recently, my motorcycle (2008 Ducati Hypermotard 1100) has been temporarily dying while riding it, usually on the lower RPMs of the lower gears. I thought it was the heat, but today in the rain it ...
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1answer
48 views

Fuel was chocking while entering into the carburetor

I'm having an old model TVS Scooty ES, as the petrol was chocking while entering into the carburetor. After cleaning the carburetor and replacing a new spark plug and I had neither rotated the Air/...
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Coleman ct200u ex minibike starts, then stalls

Have problem with my Coleman ct200u ex that is driving me batty. It starts, runs for about 15 seconds, then dies, almost as if it ran out of gas suddenly or the kill switch was pressed. Will not ...
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373 views

Why 3 x 2 barrel carbs on a v8 does not 4 x 2 make more sense with one two barrel per two cylinders

You hear of a "Six Pack" and "Tri-Duce" (carb setup with three two barrel carburetors) ... Wouldn't 4x2 barrels or 2 four barrels be better?
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59 views

Unidentified component on carburetor

A couple of days ago I went over to a friend who owns an older KTM motorcycle and as I was having a look on his motor I noticed a component on his carburetor which looked like something electronic but ...
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32 views

Sym jet sport 50cc 2 stroke cutting out

Starts up fine from cold, can ride it for around 5mins then cuts out and won’t start until cold, it’s got a good spark, competition and is getting fuel. I’ve change the spark plug, ht lead and ...
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359 views

carburetor Leaking gas oil mix when fuel lines replaced

Disclaimer I know this is for a blower not an engine, but was not sure where exactly to pose the ? I'm trying to assemble the fuel lines for the Ryobi BP42 two cycle blower, someone else took it ...
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New carburator gas coming out of small tube inside

I installed a new carburator on a 6.5 hp Tecumseh motor for a wood chipper. After hooking the fuel line back, gas flows steadily out of the small tube inside the carb. I am not very mechanically ...
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66 views

What screw is missing from this carb (photos included)

I'm repairing a carb and the part (screw?) which goes in here broke, and I'm struggling to find a replacement as I'm not sure what to search for! What's it called? As shown in the picture it's a ...
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54 views

1998 Suzuki Intruder 1500VL Back Fires After Replacing Alternator

The bike has ran fine for around 100 miles just days before I replaced the alternator / magneto because it wouldn't keep the battery charged and would barely maintain while running high RPM's. ...
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Will a carbureted engine have different fuel consumption rates based on external load, with the same RPM?

I have a small Briggs and Stratton Model 19 engine, net power of 10.0 HP. If I ran the engine at full throttle without any external load connected to the output shaft, would it consume the same amount ...
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2001 katana 600f

I bought this bike not running. Did simple stuff like plugs, fresh fuel, air filter, and so on. My problem ous the bike starts great and runs strong for about 5 to 10 min or approximately a mile or 2 ...
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1answer
132 views

Poor Uphill acceleration [duplicate]

I have a Honda CBF 125 2010. It had a new chain and sprocket set fitted about 3-4 months ago and I have tightened the chain again since then (about a week ago). I have poor acceleration when I come to ...
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Leaving Bike unused for 3 months

I am going out of country for 3 months is it okay if i leave the bike unused for 3 months ? and what to do to protect my bike for any loss ?
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Where to hook up my carburetor hoses on a 1998 Yamaha Breeze

1998 Yamaha breeze Four wheeler. Where do the carburetor hoses hook up
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Why might I lose power when I open the gas too quickly?

My 1990 Honda Super Cub has a problem that seems to occur mostly after it gets wet. Sitting in neutral, if I slowly open the gas it will reach full revs easily, but if I twist straight to full ...
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1972 international Harvester Scout II 345 engine - LOUD bang & PLUMES white smoke from engine

Just put water in radiator, heard and felt VERY LOUD BANG from engine and massive amounts of white smoke blew from engine when trying to start. Engine didn't turnover & turned off key ASAP. ...
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1answer
808 views

Gas leaking from this tube,wondering what exactly this tube is

Hello, I'm fairly new to mechanics of motorcycle(riding for 2 years but never tried to repair it myself till last month). As I noticed I am using way more gas than usual and there was gas odor, then ...
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1987 skidoo elan carb issues

I am trying to figure out either what model carb I have (to purchase a rebuild kit) or spec settings on the fuel/air jets. Tried to start her up tonight, ran for a minute then got flooded. Anything ...
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1k views

Vehicle suddenly shuts off while riding

I've been an owner of pulsar NS200 2017 model for about 1.5 years now , recently when I was commuting in my city at around 30kmph , the bike began to lose power and shut off . I pulled over and after ...
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Motorcycle won't start at all

I have a 2006 Honda TMX 155 which has 155 cc 4-stroke OHV honda engine. It was garaged for about two years and I decided to make it my first project to get it up in running. I'm new to motorcycles, ...
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381 views

150cc chinease dirt bike powerloss bad backfire and no idle

I have a 150cc Chinese dirt bike. About a month ago it started to bog a lot. It could only start on choke, so I took apart the carburetor, cleaned it and put it back together. The problem still there. ...
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Trying to identify Mikuni carburators on a 2.0l ford zetec engine

The only information I can find on them is stamped on the side, G549.A, T5X6, I believe they came off a Yamaha motorcycle.
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Trouble Starting Scooter after Replacing Carbeurator

Background Recently my scooter was having trouble getting up to full speed and was jerking slightly, but only when I gave it a lot of gas or going above around 35 miles an hour. After some research, ...
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Suzuki SD 110 cc

bike almost 9 years old, replaced carburetor once so it is 5 years working perfect. few days ago i changed gas filter because it was looking too sluggy. (petrol filter that not actually installed by ...
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Engine bogs out at full throttle

It's a 2002 Yamaha vstar 650 classic. Engine quit running overnight. Wouldn't even idle. So far I've fixed the intake leaks, a stuck diaphragm, unclogged two of the jets, replaced the needle valves ...
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62 views

right turn stall, starving for fuel?

I have a 1998 96" s&s with a super e carb - runs great straight up and leaning left turns but when I make a right hand turn it seems to starve for fuel and begins to stall. the turns are leaning, ...
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137 views

Bajaj discover 125(2011model) runs like always giving reserve fuel warning even when fuel is sufficient

I have Bajaj Discover 125 (2011) model which has always been taken care by me. as i dont ride bike much it only ran upto 20,000 km till now in plains. (Punjab). Everything was fine and the bike ...
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Can someone please tell me what model this mikuni carburetor is?

I've been doing some work on this one, and I'd love to find a diagram or some type of parts book for it. Thanks! Edit: It came off of a suzuki df115 outboard. There are no letters or anything on the ...

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