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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What causes an engine idle to increase briefly?
I have an 82 Honda 450 Nighthawk motorcycle that I'm rebuilding and I need to tune/balance the carbs. I have them bench-balanced and reset the idle screw on both. Now it runs a lot better, but every ...
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Honda XL250R-C Carb ISSUES
I have a UK Honda XL250R-C 1982 pro link just purchased, I was told it had the wrong carb fitted which was a (PD70A) which is why it was running so bad, I was also given at the time of purchase a carb ...
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1st and 2nd cylinder not combusting in dual carburetor'red setup
So I have a Maruti Esteem engine with a dual carburetor on an engine dyno and everything was already installed when I joined this lab. We seem to have a problem when trying to fire the engine. 1st and ...
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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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Is my bike running rich or lean - I have both symptoms
Symptoms of Lean or Rich carb settings on a motorcycle
I have a '71 Honda CB350 that is new to me. I recently rebuilt the carbs and replaced the petcock and had it running pretty good for awhile. I ...
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Inverting the A/C VSV Switch
I bought a 2E Carburetor for my 4G13 Engine. My Problem is that 2E Carburetor Idle Up A/C Vacuum Actuator needs vacuum when the engine is on and when the A/C is On, the idle up vsv will be Off (or no ...
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What is the glue called sealing the joint between the air box and carb boots on motorcycles? What's an alternative?
I've got two older motorcycles, one 1992 and the other 1997. They've both got specifically shaped airboxes, and both connect to the carbs through four rubber boots, similar to those that go between ...
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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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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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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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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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Suspected slow leak in carb, mileage low only when time taken to consume fuel
I have a weird mileage issue in my CB Honda Hornet motorcycle. This is a version specific to India, https://auto.ndtv.com/honda-bikes/cb-hornet-160r
It has a 160cc engine.
During the first 1000 Kms, ...
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Royal Enfield Classic 350: Dislocating Carburetor Clamp
I own a classic 350. While starting my vehicle, sometimes the carburetor hose becomes disconnected from the mounted clamp area.
Has anyone faced this issue? If you have, please help me out.
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Weed Wacker Not Running Properly
I have a Remington weed wacker that is ~2 years old. It worked great for the first 2 or 3 months but then I could not get it to work properly. I have tried new gas, new plug, adjusting the idle on ...
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When I shut the bike down there is horrible fuel smell
2003 Harley-Davidson FXDL.
After I shut it off, I get this horrible fuel smell. The bike has Mikuni 42 carburetor, Pingel shutoff valve, carburetor rebuilt, Pingel holding strong. I do not have the ...
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Honda NX 250 Carburetor vacuum pipes
I'm building up a 250cc grass kart, and I've bought a Honda NX 250 engine for it including a ignition system and carburetor. It is a single cylinder 4-stroke DOHC, simple ignition with 1 magnet on a ...
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China yy50cc qt-6 scooter fires up but when throttled it will choke out and stall
I can't get it to fully open wide and run. 2013 model, any help would be great.
P.S. had a 80 cc modification done and also the jets were upgraded as needed. I'm thinking all my air hoses are out of ...
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Idle RPM is not setting properly sometimes
I have an Apache RTR 180 (Carbureted)
Sometimes, when I downshift, and when shifting down to 1st gear (to stand still), the RPM shows somewhere around 2000. The normal idle is around 1200 - 1400 RPM.
...
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Is it possible to swap the carburetor of a Briggs & Stratton 5hp?
I want to use a 5hp Briggs & Stratton engine for a kart project. That engine is based on a carburetor that is above the fuel tank, pumping the fuel thanks to the diaphragm.
I am thinking about ...
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2005 Suzuki katana 600 carburetors not delivering fuel
I have a 2005 katana that was given to me I cleaned the carbs and it ran ok. I was riding it for a few weeks then overshot a corner and crashed, the damage wasn’t too bad scratched some plastics and ...
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32/36 Weber carb MGB dies when accelerating but when the progressive second butterfly throttle valve opens it revs fine at high rpm
i have a 1977 MGB with a 2 barrel progressive throttle 32/36 Weber carb. it will idle, but if i try moving at low rpm, the engine will jolt on and off. like if i was pressing the gas but rapidly ...
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I have a 1999 yamaha r1 and it bogs out really bad
So I've cleaned the carbs twice on this bike and its like it's not getting enough fuel because it will only run on starting fluid and I've cleaned the tank and got new hoses and still the same problem ...
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1987 Yamaha Riva XC125 starts high then falls to low rpms and stalls out slowly after a rough idle
Intro:
Hi guys, I wanted to start by letting you all know that I'm new to motorcycles and just vehicle repairs in general and this is my first bike. I believe I have reached the point where my lack of ...
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Gas leaking from carburetor while ATV not running
I bought a Coolster (chinese) atv for my daughter and had to do some extensive work on it. But finally got it good as new, until today. I pulled the atv out of the shed for us to ride and started it. ...
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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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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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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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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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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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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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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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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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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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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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2000 Suzuki Intruder 1400 losing Prime
Bought the bike few weeks ago not running and here is where i am today. Bike will start on choke and ide all day. I get on it and give it gas it will die. Only way it will start back up is if i take ...
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Coleman ct100u engine, no start
Verified igniton system is good, cleaned and gapped plug. The engine is is essentially pushing out gas from the carb side and not wanting to start, I don’t know what else to add I’m not really ...
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Spark plug fouling every ride
I have a 2004 husqvarna cr125. Was wondering if anyone else was having the same issues with the spark plug fouling out often. Anytime I ride for over 40 minutes or so I’ll have to change the spark ...
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Float Height old keihin ve17b Carb Honda GB250
I have a GB250 that was fitted with a racing carb. I am trying to go back to stock.
The carb I have is a keihin ve17b a Carb.
There is only a float needle and a float. The float is plastic and ...
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Problem with float height on a Honda CB400T
I might have a problem with the float height on my CB400T from '78.
It seems to be running rough at a constant speed, however when i accelerate it'll go away until constant speed again. It's like ...
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Carb adjustment on carb where L and H aren't marked
I'm working on a string trimmer currently whose adjustment screws are not labeled - or the labels have worn off with time. :) For reference, the carb is a Zama. It seems to me that there is a ...
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Rpm falls below idle when declutching at high rpm
I've got this problem that I can't find the cause of.
When starting the engine, which goes very easily, it idles smoothly and stable, rising the rpm a bit still gives no problems. But when driving at ...
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Cannot locate broken part on maintenance diagram - YAMAHA 2018 XV250
The following part broke off the carb, and I don't know what it is and cannot locate it on the vehicle diagrams.
As you can see, its just to the left of where the throttle cables attach, and just ...
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Coleman CT200U EX starts when dies
I initially was putting a new carb on but decided to just keep the stock one. I have put it all back on. But when I started it it instantly when full throttle. So I did some research and learned about ...
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Does a new small-engine carb need to be adjusted?
(Stihl FS55 string trimmer)
After years of regular use, the engine degraded fairly suddenly to barely keeping alive, uselessly low power, and running very rich. For reasons good or not, I decided to ...
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Royobi BP42 took off carb cleaned and new fuel lines now starts idols then shuts off but restarts again ould it be gasket where vacuum hole is
Removed carb cleaned reassembled with new fuel lines starts runs for awhile and dies but restarts gasket vacuum hole may be leaking
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Is turning off the engine when stopped at traffic lights bad for the car?
What (if any) mechanical issues will be caused if a person regularly turns off their engine while stopped e.g. a traffic lights?
Assuming regular production gasoline-only (non-hybrid) cars as they are ...
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Why doesn't my engine rev up when closing choke valve?
So I just installed a manual choke cable on my Mustang 1967 (Holley carb 4 bbl), and upon startup I pull the choke and see the valve close but the engine does not rev up at all. I go as much as to ...
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Carburetor not drawing fuel from tank
So the title is kind of generic, but I am facing a bit of a weird situation. I am going to explain it first, but I also have some pictures at the end that might help.
I have bought a cheap 2 stroke ...
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