Question about 2008 Honda VT 750 Shadow

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Motorcycle idles fine but when you try to speed up it cuts out, but when i let it throttle back to idle it runs fine again?

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This sounds like fule starvashion blocked running jet's in carb or fule lines blocked,,,strip both and clean them out

Posted on Jun 08, 2010

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How to adj the crab on a poulan chainsaw


if the engine is in good shape..screw in both carb jets adjusting screws till they seat lightly, then back them out 1 1/2 turns, srew in the throttle adj screw a turn and start the motor,,warning if the chain is on make sure the blade isnt likely to touch anything when the engine starts as you will have to have the brake off to get started and adjusted. With the engine running, adjust the throttle srew until it is idling just above shutting off speed, then adjust the "L" low speed jet to get the best idling speed without srewing it in much, reset the throttle srew, then , while trying to accelerate suddenly each time, open the Low jet a little at a time until the machine accelerates smoothly without hesitation. Reset the throttle srew to a position that the chain stops running at idle and check again that the acceleration is without hesitation ( usually with "L" jet about 1/4 turn out more than best idling). The high "H" jet can now be set to give the best power while cutting a block of wood.

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1 Answer

Engine cuts out when slowing down


Start off by cleaning carbs,sounds like idle jets are blocked

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Suzuki GS 1100 idle problem


check for vacuum leaks ,around intakes

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My aprila rs50 starts fine and runs fine cold but if it heats up abit you pull the throttle and it sounds like its dieng


Instructions
    • 1 Park your RSV 1000R on a well-ventilated, level area, using its kickstand.
    • 2 Start the engine and let it idle in place until the temperature gauge built into the instrument cluster indicates a minimum internal temperature of 180 degrees Fahrenheit. This is the motorcycle's ideal operating temperature.
    • 3 Take note of the engine idle speed, using the tachometer needle, while the engine is running. Ideally, the engine should idle steadily at 1,250 rpm.
    • 4 Adjust the engine idle speed to 1,250 rpm, using the idle adjuster screw hidden between the lower right edge of the fuel tank and the upper edge of the right middle fairing panel. Turn the idle adjuster screw clockwise to increase the engine idle speed, or counterclockwise to decrease the engine idle speed, using a small flat screwdriver if your RSV 1000R's frame (VIN number) precedes ZD4MEE009YS000292. A plastic knob allows the engine idle speed to adjusted by hand on RSV 1000R models with a frame (VIN) numbers starting from ZD4MEE009YS000293.
    • 5 Rev the engine two to three times and observe the tachometer. The engine should return to a 1,250 rpm idle. Adjust the engine idle speed as needed, using the method described, then rev the engine again. Problems may exist within the throttle control, fuel-injection system or engine, if the engine idle speed will not hold steady at 1,250 rpm. Contact your local Aprilia service facility for assistance.
    • 6 Stop the engine, once you have obtained a steady 1,250 rpm idle speed.

Jan 17, 2013 | Aprilia Motorcycles

2 Answers

I have replaced my fuel pump, filter, throttle position sensor, and relay on my 1992 jimmy. it runs but everytime it hits idle speed it cuts off. what could that be


It should have an idle air control valve which lets air into the intake to control the idle speed. The valve could be faulty, or dirty, or the throttle body could be dirty. The computer opens and closes the valve to regulate idle speed.

Jul 16, 2012 | 1992 GMC Jimmy

1 Answer

I have a john deere 70 1974 with a 7 horse power tecumseh how many times to i turn the either jets on the carb


The bottom screw on the carburetor is the main fuel mixture screw, turn this "in" slowly until is "seats" and then back it out two turns. The idle mixture screw is located on the side (do not confuse with the idle speed screw), turn this in slowly until it seats and then back it out one turn. This will get you in the ballpark but it will have to be fine tuned from their. The proper adjustment is between a "lean" running condition (engine will try to cut off) and a "rich" running condition (engine will load up). The main fuel mixture is adjusted at full throttle position and the idle mixture screw is adjusted at idle speed. Once this is done, you can adjust the idle speed screw in the low throttle position. Hope this helps.

Feb 23, 2011 | John Deere Garden

1 Answer

Starts, idles and runs but quits after a few seconds of cutting


Check the air cleaner and muffler for plugging. One screw adjusts the idle stop (idle speed) position and the H and L jet screws set fuel mixture for high speed and idle speed mixture respectively. Turn both jet screws CW to stops (lightly) then back each out CCW 1-1/2 turns. This is a basic setting and should allow the engine to start and run. Start the engine and allow to warm up. Pull the throttle full on and adjust H CW until the engine starts to speed up, but 4-strokes. Correct adjustment is when the engine 4--strokes running free, but immediately 2-strokes when cutting. Release the throttle and adjust L needle CW until the engine idles fairly well, but allows the engine to 'follow the throttle'. Adjust the idle speed screw so that the chain stops turning, but the engine will continue to run. Hope this helps!

May 17, 2010 | McCulloch 16 Inch Gas Chain Saw MCC1635AK

1 Answer

Bike starts fine as you start to move in low speeds bike cuts off odesnt idle


Could be the gas tank vent in the gas cap stuck. Try opening and closing the gas door and try again. It is a throttle by wire if memory is correct so this may be something to take to a dealer.

Oct 10, 2009 | 2006 Yamaha YZF-R1

3 Answers

2002 Jetta 1.8t cuts offs sporadically


Here is the common cause of surges, stalls at stops, slow idle speed, erratic idle speed, rough idle and engine hesitation (and other problems), it is in most cases the idle speed control air-bypass valve and or throttle valve and upper intake, these area's get full of gunk and combustion residue over the miles and cause idle issues (stalls, low idle) like yours, Get a can of intake cleaner from any local parts store, not carb spray, intake cleaner, it is made by a company called CRC, remove the air intake hose to the engine, hold the idle high so the engine won't stall, then spray the can of cleaner into the intake while keeping the engine running, use at least 1/2 the can, shut down the engine and disconnect the battery for 5 minutes, then restart and complete a number of mixed driving cycles, town, freeway, stop and go etc., after a few days the problem will go away as the system will relearn to the clean intake.

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I would start with the TPS, and if it doesn't solve it then the AFM would be the problem.

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