Question about 1984 Suzuki GS 700 ES

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Motor hard to start, but does run , but then won't idle?

There a adjusting knob right in the center of the carbs I assume its a idle adjustment? The motor will eventually run but won't idle.

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If i recall yes that is, but a bike that old may need a good carb cleaning if it has been sitting around for a while

Posted on Jun 15, 2009

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1 Answer

Unknown knob


I think it might be the idle SPEED adjustment, that adjusts the speed of the engine at idle RPMs.
It should adjust both carbs by the one knob, as it adjusts through the linkage.

Mar 18, 2014 | 2005 Honda Shadow Spirit 750

1 Answer

Factory carb settings


This can vary from year to year, model to model, and make to make. A service manual for your specific bike may shed some light on what the default settings are on your carbs. Sometimes a simple search on your year make and model of bike with carb adjustments can return the answer to your question. Here is an example: 1979 Honda CB750 Carb Adjustments. One other factor in this is the elevation you are at. At higher elevations the air is thinner making your bike run rich as there isn't enough oxygen to mix with the fuel. Once you know where your adjustments are, you can get them fairly close by slowly adjusting them with the bike idling. You want to turn slowly (1/8 turn at a time) until you hear the motor idle increase. For multiple carbs, start with one and repeat on all other carbs. If you continue to turn your jets after the idle increases, it will eventually start idling down again. I have been taught to try to find the boundaries going each way and seek the middle ground. Once this is performed on all carbs, you may need to adjust your throttle stop adjustment screw to bring yoyr idle back to specification. Good luck with your carbs, safe and happy riding to you.

Oct 15, 2013 | Suzuki Motorcycles

1 Answer

Carb ajustment


Only Info I see is "Homelite Chain Saws" - not much to go on.
Most saws have two carb adjustment screws, Hi, and Lo.
Assuming the saw will start and run enough to warm up, then
adjust the Lo screw in, clockwise, until the motor starts to slow down,
turn only about 1/8 turn at a time. From the point where it starts to slow down, turn it out about 1/4 turn. This should give you a decent idle. Now pull the throttle, and see what happens.
A - Saw runs up to speed, but dies off, or starts to slow on it's own.
turn Hi idle screw out about 1/4 turn.
B - Saw speeds up, but runs sluggish, fat - not real hi end.
Turn Hi screw IN, about 1/8 or so, and try again, or adjust
while running at full throttle. (best way)
IF it won't run well, try turning both screws all the way in to seat them, then come back out about 1-1/2 to 2 turns. this should get you in the ballpark to set things up as above.

Once the saw is running well, adjust the idle screw to a smooth idle but slow enough that the chain stops moving.

Stay safe

Jul 01, 2012 | Homelite Garden

2 Answers

Poulan 446t Will start, won't continue to


The diaphragm in the carb is likely ruined from the gas gelling onto it. This will put pinholes in it and then it won't work properly. Pick up a carb kit and rebuild it (if parts available) and then you should be good to go. If you can't rebuild the carb, a replacement will run you 30 bucks or more.

Aug 21, 2011 | Poulan Pro 42CC 2 Cycle Chainsaw, 18"

1 Answer

I recently bought a Suzuki gs 550 and need to reduce idle speed i don't know how to do this at the carb


the idle adjustment screw is located between the number 2 and 3 carburator float bowls bottom rear. I can bairly get my hand on it, but found that a flat blade screwdriver works fine for making ajustments. backing out the screw lowers the idle speed, while running it in increases it. To adjust make sure the motor is warmed up and the choke is off. Make adjustments from the right side (looking at bike from the back), by pushing with the screwdriver on the knurals of the adjustment knob, pushing knurals up backs the screw out, conversly down runs it in. Try for around 1000 rpms for your set speed. You want it to idle smooth and low, but you want it set so it won't die out when you come to a stop when you are riding. If you can not get the idle in this range, then there is some other problem needing attention. However, the idle at times may run a little bit higher than normal when you come to a stop after a hard ride, and should return to normal set speed after it cools down some. You should also make sure that the throttle cable is set at the proper tenion, if too tight, you won't be able to lower the idle. you may have to make adjustments a few times to get it right.

Jun 12, 2011 | 1980 Suzuki Gs 550 L

1 Answer

I have a 1982 Kawasaki KZ1100D1 Spectre and have problems with it red-lining upon starting. It was running fine and idleing @ 1500rpm and I thought it was a little high so I adjusted the Idle screw and...


If you had to adjust with a screw driver you are probably altering the air bleed or mixture control and not the idle speed as a rough guide turn the screws fully in but do it gently as winding them in hard will damage the carbs and then undo the screw one and a half turns this should bring the carb back
into range
the idle adjustment is a finger adjustment knob in the center of the carbs(fuel tank lifted or removed to gain access) the problem with too high idle can be du to air leaks through the inlet rubbers leaking or being perished check for gaps bettween mating faces of carb rubbers to cylnder head

Feb 10, 2011 | 1984 kawasaki KE 125

2 Answers

SUZUKI RF 600 R, problem with idle speed and cold start, i cant control trotle at idle speed, at higher rpm the engine is working without problem but when i rellease the trotle engine is stop. What can i...


If the bike starts up and the idle speed creeps to high revs all on its' own, this indicates an air leak somewhere between the center throat of the carb and the cylinder head. This is normally a rubber seal or rubber manifold that is old, hard and cracked. I am sure the carbs need to be cleaned, remounted and adjusted. This is a nightmare for the novice mechanic. Replace all rubber fittings and seals including hose fittings and hoses.

Aug 13, 2010 | 1995 Suzuki RF 600 R

1 Answer

CLEAND CARB NEED TO KNOW HOW TO ADJUST CARB


Most carbs have the adjustment removed (EPA) but if yours still has the adjusting screws here are the seat of the pants methods:

One Screw Carb: Turn it all the way in and then back out 3-1/2 turns, start the engine and make slight turns in or out until the motor runs smooth from idle to wide open, do not get it too lean, turn in until max RPM is reached then turn out 1/8 turn and go from there.

Two Screw Carb: You adjust the one to remedy either the low or high, high is adjusted until the motor runs smoothly under load at high RPM and the low is adjusted until idle and off idle is smooth.

Feb 27, 2010 | Troy Bilt Tb70ss Gas Trimmer

1 Answer

Toro snowblower///// tecumseh# on motor is H35-45598R SER 5283B


Usually that is a sign of the carb not being adjusted right. Run it at full throttle and adjust the main mixture needle (usually on the bottom) until it runs the smoothest. Set it in the middle of the range where it runs smooth. Then set it down to idle and adjust the idle mixture until it runs smooth at idle. Accelerate it rapidly and if it bogs or hesitates turn the idle mixture a little leaner (clockwise) and try again until it works right. That should get you very close. Try tweaking it a bit from there. as the microscopic specks clean out of it, it may need more adjusting.

Nov 25, 2009 | Garden

2 Answers

How do adjust the idle on 1990 gsxr 750


the idle adjustment on the oil cooled motor is in between carb 2 and 3. you have to take the right side fairing off to do so

Oct 18, 2009 | 1990 Suzuki GSX-R 750 L

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