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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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7 votes
1 answer
2k views

Old Briggs Dies After Running / Tilt Kills

I've got an old (1988) 8HP Briggs & Stratton engine (195422-0751-01) on a leaf blower with some problems. Symptoms: After ~10 minutes of running okay, (choke open, 1/3 to 1/2 throttle), it ...
user2280110's user avatar
4 votes
4 answers
7k views

Carburetor question, attempting snowblower repair

I have a Craftsman Snowblower, model 247.889702. Unit is a few years old, and I can't get it to start. Unfortunately, I left gas in it one winter and over the summer and of course when I tried to get ...
rsbarro's user avatar
  • 143
5 votes
2 answers
990 views

Why does the bike idle lower after balancing carburetors?

I have just balanced my bike's carburetors (they were initially way out of sync). It idles lower and seems to smoke more when I rev it (smells rich). Returning it to it's previous out of sync setting ...
Jeremy M's user avatar
5 votes
5 answers
9k views

High altitude adjusment for carb 4stroke. (honda xr650l)

Hi I am having some problems with my honda xr650l (1995). During acceleration I experience a sort of stuttering loss in power. Almost the same feeling as runnning out of gas in the main tank. but the ...
BryanK's user avatar
  • 193
3 votes
4 answers
4k views

Derbi Senda 50cc - Low Compression, will not run properly

I have a Derbi Senda SM 50 2005 plate. It has a good spark, however, it's not reading any compression. It's had a new top end and gaskets! What could be wrong? Sometimes it starts when you bump ...
Kye Maclennan's user avatar
3 votes
1 answer
2k views

What does the Carburetor Secondary Venturi Do?

We know that on the left side is the primary Venturi where air and fuel mix together. On the right side is the secondary Venturi. What is the role of the secondary Venturi?
Bon's user avatar
  • 201
1 vote
3 answers
2k views

How to increase fuel economy

What is the normal fuel consumption for carburetor type Toyota 3A engine? My 1986 Toyota Carina AT 150 gets 11 km/l in city and 14 km/l on highways. How can I increase could I increase the fuel ...
tenna's user avatar
  • 59
2 votes
3 answers
15k views

One cylinder not firing, GSX R 750 W

What could be possible reasons that one of the four cylinders (the left or first one) is not working? It was working before, than it did not, then it did again and now not again. I was able to start ...
Christian's user avatar
  • 121
2 votes
1 answer
14k views

Briggs-Stratton Lawnmower motor losing power

My Toro lawnmower featuring a Briggs-Stratton 7.25HP motor has been losing power lately. It is about 2 years old and I've used the maintenance kit (spark plug, air filter, oil, & fuel treatment) ...
kjgregory's user avatar
  • 185
0 votes
2 answers
219 views

Can I install nano fuel economizer for carb type toyota 3A engine?

Can I install nano fuel economizer for carb type toyota 3A engine? Will it help to improve fuel consumption of my car without any issue?
tenna's user avatar
  • 59
0 votes
1 answer
2k views

what is the advantage of octane 90 petrol vs octane 95? how it effect to fuel consumtion of a car? [duplicate]

i need to know about advantages of octane 90 petrol VS octane 95 or unleaded. how it effect to fuel consumption of a car?
tenna's user avatar
  • 59
5 votes
1 answer
20k views

How to determine what carburetors will be compatible with a motorcycle?

What are the parameters to determine whether or not motorcycle carbs are compatible with a certain engine? Is it just the size? For example, I have a 1978 Suzuki GS1000 with Mikuni carbs, and it's ...
alexv's user avatar
  • 75
2 votes
0 answers
471 views

2008 Honda Rebel 250 idle problem [closed]

I have a Honda Rebel and it's been running great for the last year. It does have about 8000 miles on it but I haven't had any serious issues. Lately, I noticed the idle was higher than normal. It ...
user4618's user avatar
4 votes
1 answer
5k views

Kawasaki ZZR600 - Engine idles ok. Choke ok. Cuts out when open throttle. Possible causes?

I have a 20 year old Kawasaki ZZR600. She was running fine in December. I didn't ride her for a few weeks in January. Left the battery on maintenance trickle charge. A few weeks or so ago I fired her ...
Stewart's user avatar
  • 761
3 votes
1 answer
359 views

What is the right way to attach the Micarb to the engine head of my Enfield Bullet 500?

Before an upgrade to a new Hitchcock conical air filter, the carburetor was held in place by both the original (massive) air filter and the rubber manifold attached to the engine head, and it was fine....
Nicolas B's user avatar
1 vote
3 answers
2k views

Mercedes W123 engine "jumpy" when cold

I have a weird problem with the engine of my W123 (the engine is gasoline, 2L, 80kW with a Stromberg 175CDT carb). When the engine is cold (less than ~50C or so), it acts weird. When I want to ...
Pentium100's user avatar
2 votes
1 answer
362 views

Swapping the carbs on my ducati m600

The mixer screws are totally seized on the carbs of my 1994 ducati m600, I have found a good set of carbs from a 1997 m600 but will they fit my bike?
Alex's user avatar
  • 21
2 votes
1 answer
678 views

Squeal (vacuum leak?) and high idle after rebuilding carbs on '82 Yamaha XJ 750 Maxim

I've got an '82 Yamaha XJ 750 Maxim. I rebuilt the carburetors this weekend, and after putting it back together, it seems like it's got a vacuum leak. There's a loud squeal every time a cylinder fires....
Littlegator's user avatar
2 votes
2 answers
511 views

SB350 cutout at freeway speed, revs fine in neutral

Was hoping someone could help me out with an issue I'm having since I'm running of ideas... In case it helps, its a 71 Nova with a small block 350. Carbuerated and HEI, without any computer chips or ...
Mercurybullet's user avatar
5 votes
3 answers
5k views

straight pipes and carb rejetting?

I have a 1984 Honda GL 1200 standard wing and I am going to put straight pipes on it, however some forums say I will need to upjet the carbs, and others say I will not. Has anyone on this site ever ...
kevin bierer's user avatar
8 votes
2 answers
23k views

Carburetted motorcycle stalls when accelerator is applied

My father has 1995 Kawasaki VN 800 Vulcan with low kilometrage (18 000, 11 000 miles). We had installed new Vance & Hines pipes on it (in hindsight, way, way too loud, but that’s beside the point, ...
theUg's user avatar
  • 2,400
5 votes
1 answer
8k views

How do I prime a carburetor safely?

I have an old Falcon that's been sitting for six months and won't start. The battery is fine -- I'm pretty sure the issue is that the gas in the carb has evaporated. As I understand it, the solution ...
J.T. Grimes's user avatar
2 votes
1 answer
444 views

Moped bike motor problem carburetor

I have tried many technicians but none have solved my problem. I had problems in the past past, but one day my bike started to make a noise while opening the throttle when cold after about 50km/h ...
GorillaApe's user avatar
0 votes
2 answers
9k views

Hesitation and backfiring on sudden acelleration when warm

I have an old Mitsubishi Triton Utility 1993. It has a 4g54 4 cyl petrol engine with a carby. No computers or anything like that to check error codes. If you press down on the accelerator quickly the ...
Tim's user avatar
  • 465
8 votes
4 answers
27k views

Motorcycle popping on acceleration

I have a 1975 Honda XL250 that I bought earlier this summer. Up until recently its been running great. It was leaking a little gas, but nothing too serious. When it started to get worse, I opened up ...
Willem Ellis's user avatar
12 votes
2 answers
2k views

Motorcycle Four Body Carburetor Synchronization Balancing

I would like to adjust four-body carbs by myself, in order to avoid spent money every time. What are the basic rules, tools and secrets of synchronizing multiple carburetor bodies?
emanuele's user avatar
  • 277
1 vote
2 answers
2k views

What can cause a 1973 BMW 2002 stock solex carburetor to idle badly but run well at high RPMs?

When the engine revs are high it runs well, the air adjuster screw is set at recommended setting (1.5 turns) and at low rpms the engine sputters out, but isn't flooding. I've tried a replacement carb ...
Auguste Gosselin's user avatar
4 votes
1 answer
1k views

How to let off the carburetors of a 1993 Suzuki GSX-R 1100 for winter storage?

My '93 Gixxer is in the shed for winter. I had it fully tanked, the shed is (moderately) warm, and every couple of weeks I attach a trickle charger to its battery. However, I know that there is still ...
Ruben Tavernier's user avatar
5 votes
2 answers
3k views

Aprillia Pegaso 650 won't start after cleaning carbs, what might be wrong?

I have a 1999 Pegaso 650 which has been sitting idle for about 7 years. The carbs were quite bad shape when I got it. The first time I cleaned the carbs I was able to get the bike started but it was ...
Ian Oakes's user avatar
  • 668
6 votes
1 answer
1k views

Why do NASCAR (Sprint) cars still use carburetors?

The wikipedia entry for carburetor tells me that the last US domestic carburetted engines were produced in the early to mid-90's. So why does NASCAR still use them? Are they easier to build, repair, ...
kmm's user avatar
  • 375
7 votes
2 answers
2k views

Ducati Monster M600 - Engine Vibration/Cold Cylinder

I have a 1995 Ducati Monster M600. Recently I noticed an engine vibration and whilst trying to figure it out I noticed that the horizontal cylinder exhaust is hot (hot enough to burn leather gloves) ...
Mauro's user avatar
  • 2,655
5 votes
3 answers
12k views

Motorcycle Leaking Fuel (1999 CBR600 F4)

Just fired up my motorcycle after 3 years in storage. Changed the oil and replaced the fuel in the tank. It starts easily. It is leaking fuel from somewhere under the gas tank. The engine has a ...
Brian Low's user avatar
  • 155
25 votes
4 answers
459k views

Symptoms of Lean or Rich carb settings on a motorcycle

I have a 1981 Yamaha XS650. I recently put in K&N stock replacement filter (ie, they are in the airbox and conform to the size of the original), however they may be leading to a leaner mixture ...
user avatar
12 votes
3 answers
3k views

How do you get the carburetors out of a 1983 Kawasaki KZ1000 P?

It's a 4-cylinder engine, and the carbs are really wedged in there. The best way I know is to loosen the boots on both sides, pull the carbs back, and try to slip them out sideways, but what a pain! ...
Jay Bazuzi's user avatar
  • 2,437

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