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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1answer
27 views
Poor Uphill acceleration
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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0answers
17 views
Do you screw jets all the way in on a PZ27 carburetor?
I rebuilt a carb from a 150cc chinese atv, after adjusting the mixture and idle screw its now running pretty well. It idles fine (it used to slowly go down until the engine stop), and from 0 to wot it ...
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2answers
36 views
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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11 views
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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11 views
Carburetor float bowl not receiving fuel on a dirt bike
I replaced the leaking carburetor on my kx125 2 stroke with a carb I got on Amazon. Brand name is Koso, it's Chinese. It worked great for about an hour on the track then the bike just died and wouldn'...
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30 views
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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12 views
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
77 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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0answers
11 views
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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1answer
28 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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0answers
18 views
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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1answer
45 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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227 views
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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0answers
17 views
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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15 views
Jetting a 1985 Yamaha Maxim XJ700x for straight pipes
I have a 1985 Yamaha Maxim XJ700x. I'm going to be putting on straight pipes in place of the mufflers. I know I'm going to have to jet the carbs but do I need to change the needle jets too or just the ...
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0answers
23 views
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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0answers
610 views
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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0answers
36 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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26 views
1991 Yamaha Moto4 250 ATV
Trying to figure out best way to replace carb. Factory says it is an Mikuni BST34/1.
Can't really find any info.
Just want a basic reliable carb and any pieces to make it fit, but that seems to be a ...
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1answer
37 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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202 views
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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0answers
39 views
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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392 views
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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38 views
Engine dies after running for 30sec
so I have an old Renault 4 cylinder inboard boat engine here.
it's older than I am and has a carburettor which you initially fill with gas by pumping it manually from an external tank using one of ...
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2answers
284 views
What causes gel'd gas in float bowl?
The attached picture shows (right float bowl) accumulation after just a week after cleaning and reassembling carbs. Just after opening the bowls, they dried bits seen in the picture were similar to ...
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1answer
56 views
Suddenly milage dropped and engine started working differently
I have suzuki access 125.
Cc:125
Body Type: scooter
Engine Type: single cylinder 4 stroke(SOCH)
Fuel system: carburetor (ucal cv)(vm18-258 * i don't know what it means but found on ucal website)
Fuel ...
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1answer
141 views
cg-125, missing problem in speed bike loose power and then regain after 1 2 seconds
Whenever i increase the speed at 1st gear the bike at high speed looses the power. On start of second gear bike start to do missing. Then at high speed problem sometime occur sometime ir doesnot.
I ...
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1answer
284 views
2 Stroke making choking sound on full throttle after carb replacement
I have a Yamaha RX 135 which is a 2 stroke bike, and I have replaced it's carburetor , Previously it was stock 26mm round slide mikuni carb , and its been replaced with 30mm Flat slide mikuni.
After ...
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0answers
74 views
92 Suzuki Bandit GSF 400
I have a 1992 Suzuki Bandit GSF 400 can you interchange with another carburetor I like a GSF 600 cuz the carburetor on a GSF 400 SM parks and I can't get I was wondering if I can get another ...
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0answers
20 views
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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54 views
Gy6 howhit carb issues
So I thought I had a bad automatic choke so I got a new one and my gy6 still won't run if I plug the hole with my finger it will run all day but with the automatic choke it either won't crank at all ...
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0answers
28 views
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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0answers
180 views
Engine won't start without throttle-help when warm
My scooter won't start by using the kick start when warm, without help by twisting the throttle-handle a bit (at the same time as using the kick start).
By "warm" I mean it's been stored in a room ...
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0answers
30 views
1979 Hobda CB50 fuel leaking from drain lines on carb
how much fuel supposed to come out of a drain line on a carburetor from a motorcycle. Quite a bit is draining I've rebuilt the carburetors so i dont think its the floats getting stuck but idk
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1answer
235 views
briggs stratton 16 hp ic single cylinder
I have a Lincoln welder with a 16 hp briggs Stratton engine that will only run with the choke closed. what could cause this?
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4answers
304 views
engine rpm stay far higher than idle when hot
I bought a Yamaha XJR 1300, 4 cylinders air-cooled with carburetors.
It has a problem known from the sale (hence a very decent price), when the engine is hot, the rpm tend to stay higher than the ...
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1answer
56 views
Does the Dashpot Piston on an SU Carb effect compression test results with open throttle
I just recently got 150 PSI on my 1979 Leyland Sherpa 1.7l petrol Van with SU carb and in my limited experience thought that it sounded too high for such an old vehicle.
When you do a compression ...
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1answer
88 views
Tuning motorcycle
When should I optimize the carburetor settings of the motorcycle for better performance, is it immediately after starting or after engine got heated?
Problem which I am facing is:
1. When I change ...
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0answers
61 views
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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1answer
261 views
Purge carburetors on Yamaha XJ 600
My XJ 600 refuses to start. I checked the battery and the spark plugs. I believe there's water in the carburetors. It has been staying unused for too long in winter. Besides, it stands outside under a ...
3
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1answer
54 views
1986 Dodge B250 - EVAP cannister removed, pressure in gas tank, ramifications / solutions
I have a 1986 Dodge B250 van with the 5.2L Chrysler V8, one of the last years before they switched to fuel injection. It's a camper conversion van, has low mileage and runs/drives great.
Since I got ...
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0answers
278 views
briggs and stratton 8hp engine leaks gas from air intake tube- with new carberator
briggs engine was leaking gas from air intake tube-I rebuilt carb- still does same thing-I bought brand new carb-that does same thing-I am lost- there are no leaks in fuel line-I can see the gas ...
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1answer
40 views
What carburetor bench tests are common?
So, August of 2016 I suddenly had gas flooding down the side of the engine on my Katana 600. I pulled and rebuilt the carbs (they were super clean, but the seals and O-rings were all shot, plus a ...
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2answers
1k views
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 ...
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0answers
35 views
What is the recommended diameter of the Idle Fuel Discharge Port?
My car is a 1987 Toyota Tercel DX Wagon 1452cc 2bl manual driven car. Carburetor of it is a Aisan 14120 Two Barrel carburetor.
I heard that the Idle Fuel Discharge Port size affects for the fuel ...
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1answer
34 views
Mikuni 1GF3 Pilot Screw
I have a Mikuni !GF3 carb off of a 199 Suzuki Gz250 that was brought to me partially disassembled and I cannot find the specs for the amount of turns for the pilot screw. All I can find is "preset". ...
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3answers
283 views
Is it 'safe' to use standard Jubilee clips(Hose Clamps) instead of OEM clips on carb>Head Insulator?
I have many Jubilee clips(Hose clamps to you maybe) so it would peeve me to spend over £20 on Carb Insulator Bands if I don't really need them.
The Carb Insulator Rubbers connect the carb to the Head ...
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1answer
65 views
Gas filled my engine
I'm a little puzzled on my 33 I have a 302 ( stroker 363 )) Dart block with brodex heads with a small blower. after blowing up my power glide I pulled the engine and just now reinstalled it. after ...
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1answer
4k views
Petcock vacuum hose was detached now bike won't start
On a ninja ex250 I recently purchased I noticed the vacuum hose which attaches to the pet cock to actuate the flow of gasoline to the carburetor was detached at the connection to the petcock.
When ...
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0answers
27 views
Mikuni carburetor
I need to replace a Mikuni carburetor all that is on it is 27DW and 71x1 it is off a Wisconsin Robin 71/2 horse small engine that runs a Multiquipt welder. What is it (model) and where can I get one. ...
