Question about 2004 Honda VT 750 Shadow Aero

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750 shadow running lean. How do i fix this? Pilot screw adjustment?

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Why do you think the bike is running lean ? - DOT dictates that the idle srew head be soldered filled to stop tampering ( i believe ) - most bikes run correctly if the carbs are maintained, and kept in adjustment as to factory specs -- normally you will not have to touch them

Posted on Jan 08, 2013

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1 Answer

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Hi, Michael and the usual suspects are:
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How do i adjust the carburetor on my honda shadow 750 shadow aero


Hi, Ginger it should be noted I am not allowed to use the word "SCR*W" as Fixya considers it profane. The carburetor throttle shaft wheel has two cables the cable closest to the right side of the bike is the throttle cable and the one closest to the left side is the idle cable. Right about the middle between the two is the idle adjustment bolt. It faces out towards the air filter end of the carb . The engine should be at operating temperature with the enrichener off to set the idle between 950-1050 rpm. Turn the bolt clockwise to increases idle speed and counterclockwise to decrease idle speed. If you have access to your air fuel mixture bolt you may adjust it as well if not there is a video below on how to gain access, make sure you start with clean or new spark plugs. Gently turn the bolt clockwise until it starts to bottom out "STOP" do not over tighten as it will damage the taper on the bolt, now back it out 2 full turns to establish a starting point start the engine and check the idle rpm's and adjust the idle bolt accordingly for 950-1050 rpm if necessary, adjust the A/F mixture bolt 1/4 turn at a time and let the engine settle for about 10 seconds, clockwise for a leaner mixture and counterclockwise for a richer mixture you are seeking the highest rpm your A/F bolt can acquire without going past 3 full turns from bottom then readjusting the idle bolt back down to 950-1050 rpm If you can not detect any rpm change and can not stall the engine by turning the A/F bolt all the way in then your pilot/low-speed jet is too big. Final adjustment should be made with a clean air filter mounted to the carburetor. For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have nice a day. Adjusting the Mixture Screws
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1 Answer

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2000 Honda VT 750 carb problem, spitting out the intake


Hi, Anonymous if your carburetor/exhaust is:
COUGHING is usually caused by an air leak in the intake system and will generally have the same telltale signs, a wet or damp build up of oil/gas seepage at the intake manifold to cylinder head or carburetor to intake manifold connection and in rare instances a worn throttle plate shaft and or seals.
POPPING on deceleration is usually caused by a lean fuel condition or an air leak in the exhaust system and is generally located where black carbon soot is seen as a flashing build up from any joint connection. This condition can easily be remedied by removing and cleaning both joint pieces and reassembling with high temp silicone and torquing the exhaust clamp to the proper spec.
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1 Answer

2003 honda shadow 750 bogs unless you keep choke on


Hi, Anonymous and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Vacuum line from the petcock to intake manifold cracked.
5. Float needle and seat sticking.
6. Float level too low.
7. Carburetor bowl vent line clogged/blocked/pinched.
8. Idle adjusting screw set too low.
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10. Idle port, transfer ports, slow air jet clogged.
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1 Answer

2002 Honda Shadow 750 ace it starts and idles but dies when given throttle


Hi, C_curl and the usual suspects are:
1. Idle port, transfer ports, slow air jet clogged.
2. Idle adjusting screw set too low.
3. Air fuel mixture adjustment too lean.
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5. Faulty accelerator pump.
6. Float level too low.
7. Float bowl contaminated old fuel, water, dirt, rust, etc.
8. Carburetor bowl vent line clogged/blocked/pinched.
9. Fuel line to carburetor kinked or pinched.
10. Fuel filter clogged.
11. Intake manifold leak.
12. The gas cap is not venting properly or fuel tank venting system blocked.
13. Vacuum line from intake manifold to petcock broken, cracked, or not attached, carburetor vent line plugged.
14. Needle and seat stuck closed in the float bowl.
15. Multi carburetors not in sync.
16. Faulty fuel pump.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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Feb 29, 2012 | 2002 Honda VT 750 CD Shadow A.C.E. Deluxe

2 Answers

My 2002 750 ace keeps backfire when I rev it up


did you change the exhaust and air filter? if not, you should. bike is running rich. lean it out a little and you'll be alright.

May 04, 2010 | 2002 Honda VT 750 CD Shadow A.C.E. Deluxe

1 Answer

I have a 2002 Honda ACE deluxe 750 that backfires alot on deceleration. How do I fix this so it doesn't happen anymore?


Probably the idle jets are set too lean. From what I have read, the factory settings are often wrong. Drill out the plugs and adjust. If you use the right size drill you can get in with a small screwdriver and make the adjustments without totally removing the plug. This eliminates the possibility of losing the adjustment screw, which can happen if the plugs are not there.

Best thing to do is put in a Cobra stage 1 jet kit. You will be amazed at how much better the bike runs.

Apr 20, 2010 | 2002 Honda VT 750 CD Shadow A.C.E. Deluxe

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