20 Most Recent 1993 Honda CB 750 Nighthawk Questions & Answers

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I have a 1993 honda cb750 nighthawk , i keep

Was the switch properly grounded and using a resistor to prevent power back flow?
Yes, it seems your switch is creating the problem
11/19/2018 2:48:04 AM • 1993 Honda CB... • Answered on Nov 19, 2018
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The headlight on my Honda

It's in your wiring you will have to chase it down hope this helps Merry Christmas
12/9/2017 9:29:06 PM • 1993 Honda CB... • Answered on Dec 09, 2017
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1993 Honda CB 750 Nighthawk rear turn signal running light not working

Since you've already proved that the bulb is OK, the problem must be with the socket or the wiring going to it. You are lucky that the problem seems to be with the running light filament rather than the turn direction filament since a turn signal electrical fault can be anywhere from the handlebar switch to the rear bulb socket. In your case, one bulb in the housing is being fed power so the problem has to be within the tail light area. I would remove both light bulbs from their sockets. With the running lights on, use a power meter to find which contact in the good side has 12 volts to ground. This will tell you which contact in the bad socket should have power. Look at the condition of the contact that is not working properly. If it has corrosion on it, turn the power to the lights off and rub the bad contact's area with an appropriately sized flat bladed screwdriver until it is shiny and clean. See if it now works. If it doesn't work, use an appropriately sized non-metal object (like a plastic or wooden screw driver handle) to try to push the contact pad inside the light socket in and out. There should be a spring behind the contact pad that keeps pressure on the contact pad when the bulb is inserted. If that spring and pad seem jammed inward, you may need to loosen it up so it has good contact. If the problem persists, look at the wiring harness at the tail light. There should be three wires entering the tail light. Two are for left and right signaling and one is for running light power. Examine the harness to see why the running light power is getting to one socket but not the other. The problem should be obvious either visually (corrosion or bent contacts) or by using the meter. If you are getting power TO the contact that drives the running lights and the bulb still doesn't light up then it must be the ground path between the socket and the rear fender area. It would take a lot of ugly corrosion to do this and the fact that the blinker part of the socket works makes it highly unlikely. Good Luck!
11/1/2017 2:30:03 PM • 1993 Honda CB... • Answered on Nov 01, 2017
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Have a 84 cb650sc nighthawk.was running great

The valve timing is off.
4/30/2017 12:52:40 AM • 1993 Honda CB... • Answered on Apr 30, 2017
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Where is dipstick located on 1993 750 honda

I don't think there is any on it; it has a show glass.
6/15/2015 4:29:55 PM • 1993 Honda CB... • Answered on Jun 15, 2015
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Where is the dipstick located

if it has one it will be either on the end of the oil filler cap or just below the oil filler.if its not there it probably has an oil level sight glass on either the clutch cover or on the left hand crankcase.you may have to get on the floor with a torch to see it.
6/14/2015 8:13:01 PM • 1993 Honda CB... • Answered on Jun 14, 2015
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Some gray smoke when starting, worse with choke on

That sounds normal. Dark smoke is excess fuel due to the choke. Could be that the carbs need cleaned.
5/4/2015 9:13:33 PM • 1993 Honda CB... • Answered on May 04, 2015
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My 82 750 Nighthawk and the headlight does not work before and after it starts

First, test for voltage at the plug that attaches to the headlight, if you have voltage at each terminal when set to it's respective hi or low position it could only be your headlight. If you don't have voltage then you need to work back from the wire to the switch and etc etc
3/16/2015 3:31:09 AM • 1993 Honda CB... • Answered on Mar 16, 2015
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I crossed terminal leads on battery and blew something

There is a main fuse near the battery. It looks like a strip of metal, (which it is). Hope that's all there it is to it. If the bike wont run expect a damaged computer.
2/2/2015 11:07:22 PM • 1993 Honda CB... • Answered on Feb 02, 2015
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1983 Honda Nighthawk 650 stopped starting

Sounds like the starter solenoid went bad. Turn the key on, Make sure it in N. Take a screwdriver and jump the terminals on the solenoid and see if it turns the starter over and starts the bike. If it does then the solenoid needs replaced.
12/16/2014 4:28:38 AM • 1993 Honda CB... • Answered on Dec 16, 2014
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