Skip to main content

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

Filter by
Sorted by
Tagged with
1 vote
1 answer
40 views

Jetting a custom built motorcycle engine where to even start

I've bored up, stroked up, oversize valved, and change the carburetter on a Honda Tiger 200 cc Single cylinder engine. It is now 233 cc, 66 mm diameter piston and 68.2 mm stroke. I also have a cam ...
SV Savannah's user avatar
0 votes
1 answer
73 views

Is it possible to run a car without a carburetor?

Is it possible to run my car without a carburetor, or will doing so cause damage and prevent it from running? Does it damage or wear anything? what actually happen to the car.
Helix Nebula's user avatar
0 votes
1 answer
43 views

Idle mixture, or idle throttle stop?

This particular situation is related to a motorcycle (1986 rebel 450) but I see myself encountering this problem occasionally and I'd like to understand at a conceptual level how to work through it. ...
Brydon Gibson's user avatar
1 vote
1 answer
41 views

Replacing metal fuel line with braided hose - Need 1/2 and 7/16 fittings for pump and carb

I changed a fuel pump (mechanical mounted below the alternator) on an IH V-345 motor with a 2bbl carb. The carb has a 7/16 inlet and the fuel pump has a 1/2 inlet, both are female. EDIT: Here is the ...
mikeb's user avatar
  • 125
0 votes
0 answers
11 views

Engine sputtering when turning left [duplicate]

I have a 1988 Jeep Cherokee, and recently I’ve had this issue where whenever I turn left, the engine will sputter and sometimes go to nearly 0 rpm. I heard it could be an exhaust issue or a carburetor ...
Zane 's user avatar
1 vote
1 answer
47 views

Engine only runs on full choke

Ford 390 Autolite carburetter Starts ok but only runs on full choke the two fuel needles don’t seem to make a difference. ( they used to be ok before cleaning). This carburettor did work ok, but I ...
Neil Willis's user avatar
0 votes
0 answers
114 views

I have a new NIBBI racing carburetor for my 212cc

I just bought a new NIBBI carburetor for my 212 cc predator motor and the old one only had one line which was the gas line and this one has three so I’m not sure what to do with them one of the lines ...
Jonas L's user avatar
0 votes
0 answers
19 views

Tune carb for short trips

I've got a Honda CB600S (CB600F II) from 2001. When I bought it, the carb was worn, causing it to run way too rich. Fuel consumption was absolutely terrible, see my previous post: Honda CB600S 2001 ...
Daniël van den Berg's user avatar
0 votes
1 answer
96 views

How do I attach this carburetor part on an Evinrude 8HP?

We have an Evinrude 8HP outboard motor from 1996. It had been operating normally until yesterday, when the motor suddenly stopped responding to the throttle. When we opened it up, we found loose parts:...
Tashus's user avatar
  • 109
0 votes
0 answers
18 views

Is there a carburettor that will fit a Laro R11

I have just bought a Laro R11. I have found out that I can't get a carburettor or a kit for the carburettor. Does anyone know if there's another brand of motorbike that's interchangeable with a Laro ...
Tony Cini's user avatar
1 vote
2 answers
108 views

Honda CB600S 2001 carb rebuild

I recently bought a 2001 Honda CB600S, with 35000km on it. Unfortunately fuel consumption has been terrible, and I drive roughly 1 liter per 12km. When taking it to a specialist in carburateurs, he ...
Daniël van den Berg's user avatar
0 votes
0 answers
50 views

Holley carburetor flooding my engine

I am running a standard 600 CFM Holley carburetor on a Windsor 347 stroker engine. After running it hard one night the engine started to flood and became very hard to start. High amount of gas is ...
Chris Core's user avatar
1 vote
0 answers
66 views

2 stroke motorcycle is fouling spark plugs after stator change

I got a 1998 Yamaha TDR 125 (4FU) 2 stroke motorcycle. It has a Mikuni TM28SS/1 flat side carburetor. I recently had to change the stator coil (the previous one burned down, due to wet conditions), ...
Erik Csipak's user avatar
1 vote
1 answer
283 views

Scooter wont start or idle without using choke

2007ish Honda activa doesn't start or idle without using the choke. It also bogs down or shuts off when giving 25% throttle (but runs fine with choke, tho it isn't good for the scooty) . I have tried ...
Knight King's user avatar
1 vote
0 answers
41 views

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 ...
Taekahn's user avatar
  • 111
2 votes
1 answer
105 views

Ariens 911016 mower fuel intake problems

Started up mower this season after sitting all winter with fuel in the tank. Engine will start up for a few seconds very robustly and then sputter out. It was running last season, not perfectly but no ...
Nick Cherry's user avatar
2 votes
1 answer
353 views

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 ...
Matt Lacey's user avatar
1 vote
2 answers
390 views

Air filter turned black due to exhaust manifold leakage

Hi. As can you see my new air filter(that was original yellow color)is turned to black after only 2000 km due to a leakage in the exhaust manifold,which caused the burned gases(probably unburnt gases ...
xchcui's user avatar
  • 197
1 vote
1 answer
287 views

What does a throttle valve actuator do in carburetors?

i tried looking online but could not find much information about throttle valve actuators in carburetors. I think they look like this part in the picture below circled in red. What is the purpose of ...
Timothy Scherer's user avatar
0 votes
0 answers
266 views

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 ...
Zeus's user avatar
  • 1
0 votes
1 answer
500 views

On carbureted vehicles, are vacuum lines exposed to gasoline vapors?

I'm restoring a 1985 Chevy G30 Van 5.7L, but these questions apply broadly to carbureted vehicles. The vehicle is carbureted, and most controls for the emissions system and climate control system are ...
JoseOrtiz3's user avatar
0 votes
1 answer
803 views

Two stroke engine with unreliable idle

I am currently restoring a Partner 22 GBI leaf blower and facing some weird issues. I have removed the carb, cleaned it in the ultrasonic and restored everything to factory settings. After running ...
Yanick Salzmann's user avatar
0 votes
0 answers
136 views

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 ...
George's user avatar
  • 1,123
1 vote
1 answer
86 views

What could this part be circled in green of this Bizzarini 5300?

The Bizzarini 5300 GT has the Chevrolet 327 l76 small block. In some versions it has the 4 barrel holley and it looks like the regular l76 327 from chevrolets of the day but when they put 4 Weber DCOE ...
Timothy Scherer's user avatar
0 votes
2 answers
305 views

Motorcycle poor acceleration

I have a Yamaha V-Star 650 that bogs down when I try to accelerate. My first thought was the carbs, but she revs just fine with the clutch engaged. I don't think that was the case the last time I had ...
Phil Loden's user avatar
0 votes
1 answer
112 views

Audi 100 C3 engine stops mid drive

I have an Audi 100 C3 from 1985 (66kw). It has a carburetor, which is tuned automatically. On random occasion engine stops working mid-drive. This usually happens 2-3 minutes into the drive- engine ...
Kaarel Allemann's user avatar
0 votes
0 answers
18 views

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
James Peters's user avatar
0 votes
0 answers
85 views

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 ...
bharal's user avatar
  • 101
0 votes
1 answer
162 views

Do carburetors protect intake valves from carbon deposits?

For a long time, most car engines were using multi-point port injection that sprays fuel directly at the intake valves. Today, engines are increasingly commonly direct injected. A problem of direct ...
juhist's user avatar
  • 14.6k
0 votes
0 answers
101 views

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 ...
Omar Khoali's user avatar
0 votes
1 answer
611 views

How to identify a carburetor by measurements

I have looked for {model} carb, I have searched the numbers and letters stamped onto the carb, and I finally resorted to measuring it to just try to find a compatible one based on the size (28mm for ...
Cfomodz's user avatar
  • 101
1 vote
1 answer
48 views

I have a 1983 ford f250, can i straight pipe it?

I have a 1983 ford f250, and I want to know if I straight pipe it, will it mess with my carburetor?
Aaron's user avatar
  • 11
0 votes
0 answers
5k views

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 ...
Yanick Salzmann's user avatar
2 votes
2 answers
647 views

What causes the noise when carburetors are out of sync?

When carburetors are not synchronized, the engine does not sound smooth. At first I thought this is because the frequency of each piston is different, but I guess that is not possible, since they are ...
Andrej's user avatar
  • 123
0 votes
4 answers
221 views

Does a carburetor have constant fuel mass flow, constant liquid volume flow, or constant molecule count flow?

I have a generator with carburetor. It seems to consume a bit more fuel than I expected, 0.44 liters per hour for 386 watt production, or 1.14 liters per kWh. I'm also bit more annoyed by the exhaust ...
juhist's user avatar
  • 14.6k
4 votes
1 answer
245 views

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 ...
juhist's user avatar
  • 14.6k
1 vote
2 answers
2k views

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 ...
fallais's user avatar
  • 111
1 vote
0 answers
421 views

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 ...
Nicholas's user avatar
0 votes
0 answers
25 views

My bike is dying on random

Okay so I’ve had this bike (2004 gs500) for roughly two weeks and it’s ran perfect. Today I was riding with perfect preformence when I throttled and noticed it waited a second before doing anything ( ...
Matthew king's user avatar
1 vote
1 answer
73 views

Gas Generator Stalls Every Few Seconds

This is a Champion Global Power Equiptment 9000 Peak Watts/7000 Running Watts (Gasoline) 8100 Peak Watts/6300 Running Watts (LPG) Electric Start Dual Fuel Generator. The following is a video of what ...
user65325's user avatar
1 vote
0 answers
333 views

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 ...
Tony's user avatar
  • 11
2 votes
1 answer
108 views

Is my mixture too rich?

I've been running this single cyl scooter with this plug to about 30K KM (~19K miles). Replaced it today and it seems a bit dark. Is the engine's mixutre too rich? enter image description here
BlackNinja's user avatar
-2 votes
1 answer
106 views

Regular carburettor vs chainsaw carburettor

Could someone explain their differences? By regular carburettor i mean the one which you usually find on motorbikes
Stelios Liakopoulos's user avatar
1 vote
2 answers
180 views

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 ...
Justin Millerrr's user avatar
0 votes
1 answer
1k views

Wood chipper engine won't start after being turned on side

I have a Merry Mac LSC wood chipper (similar to https://www.mackissic.com/product/mighty-mac-leaf-shredder-chipper-lsc/). I made the mistake of turning it on its side to remove debris from the blade. ...
zwiebelspaetzle's user avatar
1 vote
0 answers
220 views

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 ...
user60826's user avatar
1 vote
0 answers
822 views

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. ...
C_HAD89's user avatar
  • 11
1 vote
1 answer
2k 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 ...
Ryan Griffith's user avatar
1 vote
1 answer
350 views

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 ...
Nilabja's user avatar
  • 243
0 votes
1 answer
109 views

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?
Isha Roy's user avatar
  • 111

1
2 3 4 5