Question about 1993 Honda CB 750 Nighthawk

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Even after warm up with choke on it has hesitation on acceleration my 1993 honda 750 ,if i leave the choke lever at about 1/4 on it makes it a little more ridable . it ideiles fine

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Usually if it runs better with the choke on that is a sign that the fuel mixture is too lean. When you engage the choke, it allows less air into the fuel mixure correcting the fuel mixture. If you have made no changes to the intake or exhaust system chances are your carburators are gunked up a little and not letting enough fuel through.

Posted on Oct 06, 2009

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1 Answer

1997 Honda Magna 750 Stalls


Hi, Anonymous and the usual suspects are:
1. Severely discharged or a damaged battery must have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
2. Faulty alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
4. Faulty main circuit breaker or ignition switch, check for loose connections and continuity.
5. Faulty system and or ignition relay, check for continuity.
6. Faulty ignition coil, ignition/electronic module.
7. Faulty CKP, CPS, CMP, MAP, TPS, or BAS sensor, corroded, loose or broken wire connector pins/sockets.
8. Throttle cables and or idle speed improperly adjusted hot idle speed should be 950 RPM to 1000 RPM.
9. Faulty neutral, side stand or clutch lever safety switch.
10. Fuel tank empty
11. Fuel tank contaminated with ethanol sludge.
12. Water or dirt in the fuel system, or clogged filter.
13. Restricted, blocked or kinked fuel line.
14. Faulty fuel pump.
15. Faulty pressure regulator.
16. Faulty or clogged fuel injectors.
17. Lean angle switch is faulty or needs adjustment.
For more information about your issue and valuable "FREE" downloads that you need please click on the blue links below. Good luck and have a wonderful day.
2000 Magna stalling when hot
Starts choke but dies with little throttle
Honda Magna VF750C Service Manual
http://www.partsfish.com/page/oem-parts-for-honda
Honda 1995 VF750C Magna Owner Manual

Apr 16, 2013 | 1997 Honda VF 750 C Magna

1 Answer

My 1996 VF 750 C Magna starts fine with the choke open. After a minute or so as I reduce the choke and try to open the throttle, the engine just stalls out. Cannot seem to get the throttle to control


I think you are mixed up. The choke is usually closed to start a cold engine and opened once the motor warms up. The choke is closed to restrict the air flow and make the mixture richer in fuel. You can't open a choke that's already open. It's stalling because it's starved of fuel. Either a blockage or the fuel pump is not supplying enough gas.

May 06, 2012 | 1996 Honda VF 750 C Magna

1 Answer

98 honda shadow 750 hesitates and pops through carb and exhaust runs better with choke on i cleaned carbs runs better still has problem


Hi,,it is a fuel problem(lack of) as it runs better with the choke...make sure the pilot jets are clean and check your float level.

Aug 03, 2011 | Honda Caballero Regolarita Casa 125...

1 Answer

I just bought a 1999 Honda Aero and it did not come with an owner manual. Where is the choke on this bike. Is there any free down loads with "getting started" on the Honda Aero/shadow of this...


The choke is on your left hand handle bar, it is the black slide down lever. 1. Push the lever inward to choke the bike 2. give the throttle two turns and start the bike. ( do this so you don't drain your battery, even with a new battery you need give the bike the gas to start or you will have to recharge the battery) You will hear the engine change pitch when it warms up, push the choke upwards and the bike should idle on its own.

Mar 05, 2011 | 1999 Honda VT 1100 C3 Shadow Aero

1 Answer

My 98 xr400 will not start. It seams to be flooded but it doesn,t even sputter if I don't move the choke at all. If I put the choke on half open it almost starts but then I think it floods. I changed...


Check to see if you have spark. Put a plug in the cap and touch the cylinder , kick it over to see if the plug is sparking. I kick mine 2 or 3 times to prime the cylinder holding decompression lever in. If it pops on full choke but does not start I go to half choke. If it does not start after 3 or 4 kicks , then I turn off the choke and kick it over 5 or 6 times with the decompression lever pulled to clear it. Then I will kick with no choke or half choke. Honda's are notorious for being cold blooded so when it starts let it warm up and do not be afraid to drive a short distance on half choke till the motor warms up a little.
When the machine is hard to start after sitting I usually start by removing the carburetor and shooting carburetor cleaner through the jets and passageways.I have always found my 96 xr400 to be a dependable starter with fresh gas and a clean carburetor. If it is flooded use the decompression lever to clear the cylinder.

Dec 31, 2010 | 1998 Honda XR 400R

1 Answer

Honda 750 stalls if throttle is opened unless choke is on.


Hmm , sounds like a vacuum leak, check all the hoses, and the rubber intake manifolds and clamps

Jun 18, 2009 | 1992 Honda CB 750 Nighthawk

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