Question about 1992 Honda CB 750 Nighthawk

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Honda motorcycle engine valve cover gasket

I have a 1983 honda cb450sc nighthawk and im still the original owner i am going to put a new engine valve cover gasket and two rubber gaskets on the screws on each side they must be #14 my question is do i need to put some silicone on the gaskets or oil it a bit

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Put them on dry.

Posted on Mar 21, 2014

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Posted on Jan 02, 2017

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SOURCE: Honda NTV 650 Deauville Head Gasket

Leaking from the black o/flow pipe in traffic,.....check your fan switch/radiator fins(clogged?) hope this helps....dave

Posted on Apr 23, 2009

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SOURCE: motorcycle

I looked online and couldn't find a service manual. Best I can do is suggest that you go to the site below where you can see a parts diagram for your specific bike. Yes, I know the link says Yamaha. You will select the brand, year, model, etc., once you go to the site. Part numbers and prices are also shown. Hopefully this will help in determining the position of the bushings.

Posted on May 21, 2009

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SOURCE: 98 honda 300 atv 4x4 shifting problem

I have a 1990 Honda fourtrax, the head lights don't work, just quit working the one on the left hand side is lit but very dim. The tail light works fine. What could be wrong???


Posted on Aug 16, 2009

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SOURCE: I just purchased a 1982 Honda Nighthawk 750 and

The battery is accessed by removing the right side cover. Just tug gently on each corner and it should pop off. To remove the seat, locate the two bolts, one on each side near the rear of the seat. With the two bolts removed, lift the seat up and back to remove it.

Posted on Nov 05, 2009

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SOURCE: 2004 honda shadow 750 small hole at the bottom of

Your petcock is vacuum operated. Gasoline leaking from the vent hole indicates that the vacuum diaphram is ruptured. A new petcock assembly is needed.

Posted on Nov 16, 2009

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How many oz of oil do you put in the fork tube on a honda 1986 450 nighthawk sc

Hi, Rodney from Mahin to a Mahan that's a bit too much the Clymer service manual states for 1986 Honda CB450 Nighthawk fork oil capacity is 185cc or 6.26 oz. of Dexron ATF or 10w-15w fork oil nothing about air pressure for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Honda, despair not, for a mere $0 you can download another one. 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.
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Hi, David for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Honda, despair not, for a mere $0 you can download another one. 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.!topic/nighthawk_lovers/poirSl0jNaU
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Nov 01, 2016 | 1983 Honda CBX 550 F-F2

1 Answer

Engine cover torque

Just so we're on the same page here, let's look at this exploded view:

I assume you mean the bolts that are #14 in the illustration, right?

The torque on these isn't much, it's only 6 - 9 ft-lb (72 - 108 in-lb)

Feb 10, 2014 | Motorcycles

2 Answers

Hi l got a 84 nighthawk 700sc cant get the clutch to bleed l just put in a new kit in the master cylinder.

Loosen the banjo bolt on the clutch master cylinder, Put a plastic sheet and a rag under the banjo, pump the lever a couple of times till DOT 3/4 brake fluid starts pouring out past the sealing washers. You have now gotten the air out of the master cylinder. Tighten the banjo bolt, bleeding the lines should now be easy.

Jun 09, 2011 | 1984 Honda CB 700 SC Nighthawk

1 Answer

I purchased a 1983 Honda Nighthawk 750 need to know how to access the battery Forgive my ignorance, but I am new to motorcycles in general. Thanks

On your 1983 CB750SC you will have to remove your side covers. Be careful to put a fingers on both sides of the side cover tabs (a finger on either side of the side cover pin) when pulling off the side covers . They can break off easily on this model. Locate the two bolts holding the back of the seat down and take them off with a 12mm socket. Lift the back of the seat, pull it towards the back of the bike, and lift it off. The battery is underneath the driver seat and lifts straight up.

Nov 07, 2010 | Honda CB 750 Nighthawk Motorcycles

1 Answer

My engine is making a clicking noise which i have determined to be the valves. How would i adjust those valves? Do i have to take the engine out or is there a way to adjust them with it still in?

Your motorcycle has hydraulic lifters that run off of oil pressure. Your valves never need adjusting. Now the problem, the hydraulic piston assembly that operates the individual valve can go bad . This will cause a loud clacking or clicking sound. If you have several bad lifters it sounds like your engine is full of marbles. Early models in 1983 had quite a few lifters that needed to be replaced. The Honda dealer knows how to test individual lifters to see if they are worn and need to be replaced. One other possibility, you could have a bad cam chain tensioner . That can cause an even clatter/clicking sound and can usually be installed through the top of the motor

Sep 15, 2010 | 1984 Honda CB 700 SC Nighthawk

1 Answer

I have a 1983 Honda Nighthawk 650. After I run the bike a while the oil lever drops out of sight on the dipstick. If I refill the engine with oil to the top of the dipstick that amount of oil will gush out...

Check under the valve covers to make sure the rocker/cam bay is draining properly back to the crankcase. Open any clogged holes. Aside from that possibility, I'm stumped too. :-(

Sep 09, 2010 | Honda CB 700 SC Nighthawk Motorcycles

1 Answer

Looking for a motorcycle manual for a 1983 honda cb 650 sc nighthawk so I can change my fork seals?

Clymer makes one,$35.00.part no. M345,can purchase from most online motorcycle warehouses

Apr 07, 2010 | 1984 Honda CB 700 SC Nighthawk

1 Answer

Smoke coming out of the engine (honda vf400f)

A "bent valve" is pretty serious stuff and is an indicator of much more serioius trouble. Im not sure I would put that kind of repair $ into a 27 year old motorcycle. If you really want to keep it going, try replacing the engine.

Feb 05, 2010 | 1983 Honda VF 400 F

2 Answers

Repair manuel for 1983 Honda Nighthawk repair manuel

clymer makes repair manuals for hondas
I have used them and they are very good


If this does not work contact your local honda dealer parts department they have repair manuals

here is a contact

Dec 27, 2008 | 1984 Honda CB 700 SC Nighthawk

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