Question about Harley Davidson FXDL Dyna Low Rider Motorcycles

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Runs great ticks over to fast when warmed up. dont know where idle screw is.

Ticks over fast when hot. where is idler screw.

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  • 77 Answers

Need more info. What year and engine size? Carburetor or fuel injected?

Posted on Dec 01, 2014

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Posted on Jan 02, 2017

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SOURCE: 2005 CRF450R Hard to start and wont idle

Hi
I would suggest that you have the valve clearances checked.

Also, check that the carb is clean. Pay particular attention to the PILOT JET as this opperates the idle circuit.

Jon

Posted on Mar 05, 2009

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How do i stop the engine running at a fast idle


Assuming it is a completely mechanical system with no electrical or electronic control there is no actual fast idle facility unless it is provided by a Waxstat cable device fitted into the cooling system.

I think what you mean is the engine idle speed is too fast rather than it is running at "fast idle" which is a term used for a raised idle speed when an engine is cold and decreases as the engine warms until at normal operating temperature the idle speed should be normal. On an old diesel engine it is the Waxstat device if fitted that provides this facility or a hand operated throttle. Very old cars and trucks had hand throttles for fast idle but later this function was provided by the choke or strangler mechanism. Some luxury cars had an electrical device fitted but the fast idle of modern engines is invariably provided by electronics.

I expect you need to adjust the throttle stop screw of the injection pump. This is at the lever where the throttle linkage connects to the pump and there is generally two stop screws fitted that limit the travel of the lever. One screw limits the maximum travel of the lever and therefore the maximum engine speed and this is generally set during manufacture or remanufacture and sealed to prevent tampering.
The other screw is the idle screw which the lever is pulled against by a spring when at rest.
Before adjustment it is necessary to ensure the throttle linkage is not maladjusted and preventing the lever contacting the stop. Disconnecting the linkage until the idle speed has been adjusted will ensure this and then slacken the stop screw locknut, start the engine and turn the screw in or out as applicable until the desired idle speed is achieved, allow the engine to warm up and make further adjustment if necessary and tighten the locknut and reconnect the throttle linkage. Do not adjust any pump screw except the idle screw.

Good luck!

Mar 01, 2015 | John DEERE CONSTRUCTION LOG SKIDDER NIP...

1 Answer

Anyone k how to set the fuel and air screw on 84try zinger 60cc 3wheeler carberator ?


As long as you know where the air bleed screw is, then do the following; Screw the screw in until it goes no further, (dont force it). Wind the screw out for about 1 and a half turns. Start the motor, you may have to adjust the throttle stop screw t keep the motor running. When the motor is running (at a fairly slow tick over) adjust the air bleed screw outwards a turn or so, if the motor goes faster then your turning the right way, if not, then screw in a bit. What you aim to do is to get the motor running as fast a tickover as possible. When the moto speeds up adjust the throttle stop screw to keep the tickover at a slow speed, It's as easy as that, this setting should be finally made again when the motor has fully warmed up (as the cold start may be in action if the motor is cold).Good luck

Jan 14, 2014 | Motorcycles

1 Answer

My 2005 r1 ticks over too fast when warm and wont slow down with idle screw


First off a 05 dont have slipper clutch or idel screw I have an 05 only 08 & up has slipper if it's ticking its cam chain tentionr or clutch assmbly plates springs ect or valves need adjusting

Apr 13, 2013 | 2005 Yamaha YZF-R1

1 Answer

Tickover to fast when warmed up.


I don't know the term tickover. If you mean it idles to high then lower the idle. It's a carbed bike right? Idle screw is on backside near front of carb but remember these Twin cams run on oil volume not oil pressure. The bike needs to idle between 1000 - 1200 rpm to maintain proper oil circulation. If you turn the idle down to get that lope or potatoe sound from the bike you can starve the engine of oil and burn it up. These aren't throw away rice rockets of yesteryear.

Jan 19, 2013 | 2000 Harley Davidson FXDL Dyna Low Rider

1 Answer

Tickover to fast when warm, 2000dyna low, where is adjuster.


Idle adjustment on back of carb near front of bike. As stated in another post. The bike NEEDS to idle at 1000 - 1200 rpm for proper oil flow.Anything less and you could starve the bike of proper oil circulation and damage the motor.

Jan 19, 2013 | Harley Davidson FXDL Dyna Low Rider...

1 Answer

V-Star 1100 high idle after warm up


Hi, Gordon and the usual suspects are:
1. Throttle cables improperly adjusted, pinched or need lubrication.
2. Idle adjusting screw needs to be backed off.
4. Air fuel mixture adjusted too lean start with 2 full turns.
5. Intake system air leak.
6. Fast idle choke ramp is not releasing.
7. Broken throttle return spring.
8. Damaged diaphragm or slide.
9. Faulty MAP, TPS, ATS, O2, sensors or wiring/connector
10. Multi carburetors not in sync.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
high idle when engine is hot
http://www.starbikeforums.com/forums/49-v-star/896-high-idle-after-warm-up.html
Yamaha XVS1100 Service Manual
OEM parts for Yamaha
YAMAHA XVS1100 Owner Manual

Oct 02, 2012 | 2000 Yamaha XVS 1100 Dragstar Classic

1 Answer

2004 Vstar 1100 idles too fast when hot. It sat for a while and when I first started riding it consistantly I would have to keep partial choke on to maintain idle. Recently it started idling too fast when...


2004 V Star 1100 Custom, It has been sitting for several months, Bike starts and runs, It just Idles out of control when it is warmed up. ??? Any Sugestions ??

Oct 16, 2011 | 2004 Yamaha V Star 1100 Custom

1 Answer

What kind of carb does the 76 c10 4x4 come with need to adjust


mcdevito75 here, The fast idle is needed when the engine is cold to make the air and fuel mixture rich to keep the engine running while cold, the carb. choke doew this with a bi-metalic spring in that balck round box on the side of the carb, a screw also hepls keep the choke closed until warm up, this screw can be adjusted tpo control how tight it holds the choke cloesed, here"s how to adjust this screw to slow fast idle speed, Locate on the carb, where the gas pedal connects, have a friend operate the gas pedal with the engine off, once you locate the linkage, you"ll also see 2 screws with springs around them, 1 is for fast idle the other for regular idle, you want the fast idle screw, notice this screw will lay against and Half moon shaped tab, while the other screw lays against a shaft, you need the screw that lays against the half moon shaped tab. Start the engine and step on the gas pedal slightly and relaease, at the screw that lays against this half moon, simply turn it counter clockwise or toward you just 1 2 or 3 turns very slowly, you'll hear the fast idle come down but you don"t want the fast idle to low, listen to the engine very carefully, slow it down just a bit, it should still race though but not out of control. Of course for a full carb, adjustment the shop should handle that., but this info will help.

Mar 29, 2010 | 1978 Chevrolet C1500

1 Answer

When the bike is cold it ticks over ok but it cuts out when warm


ive got a wre 125 husky n its fine when cold try and hot ticking over try adjusting the idling screw on carb when started not sure how many turns from the in position

Jun 20, 2009 | 2003 Husqvarna WR 125

1 Answer

Hard starting after rebuild


My name is Dennis and I also have the model you are having difficulty with and I can only repeat the instructions from the owners manual (with personal comments) because they have always served me adequately I hope that will serve your needs.
IDLE ADJUSTMENTS:
There are three adjustment screws on the carburetor labeled
H (for High speed MIXTURE)
L (for low speed MIXTURE)
T (for idle SPEED SETTING)
They are located just above the primer bulb. If your saw floods so soon in the starting process the idle mixture setting can be set too rich and the speed may be set too slow. Remember the chain will not move when the idle speed is set correctly with a WARM ENGINE!
Adjust the idle speed to just below chain movement WITH A WARM ENGINE this is just below the activation RPM of the centrifugal clutch. Let the engine run at a higher speed than idle until it is warm -- 3 min -- you may have to keep goosing it until then.
Please don't exceed the limits of the plastic limiters when making adjustments.
If you haven't adjusted the mixture screws you may just have to adjust the idle speed and that can start my turning that screw all the way in to the stop and then back out 4-1/2 turns for a good place to start. FAST IDLE -- Adjust the speed until the engine runs with out the chain moving. Adjust clockwise to increase speed. C clockwise to decrease engine speed.
Accelerate the engine and if it stumbles and makes too much smoke it's too rich turn the
LOW SPEED MIXTURE (in) clockwise in 1/16 a turn increments NO MORE at a time because a two cycle needs to run at a setting for a short time to really prove the setting. don’t run it wide open to warm it up but it should be at a fast idle. Nothing you do will be proven correct until the engine is warm.
Good Luck
Glad to be of assistance - please rate the solution because I will learn from your rating. Thank you

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