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What is the correct idle speed for my 1989 honda cb 400 four

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1000 rpm+100

Posted on May 06, 2010

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Will 2000 honda vfr800 calipers fit ?

Try braided brake lines and sintered pads or a pad with a high % of copper in them. This will make a difference.

Changing callipers is possible not sure if the VFR ones are a bolt on mod - id go the other way first.

Braided lines will cost you about $120 fronts only and the pads will be about 45-55$

Good luck

May 14, 2014 | 1999 Honda Cb 400 Super Four

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Honda cb 400 super four

10w oil. Not sure on amount but you can fill it to just above the fork seal without the spring.

Apr 23, 2014 | 1999 Honda Cb 400 Super Four

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1999 Honda Cb 400 Super Four leaking fuel while parked

Hi, Anonymous and the usual suspects are:
1. Damaged or restricted fuel tank venting system.
2. Loose float bowl screws.
3. Damaged float bowl o-ring.
4. improper fuel level in the float bowl.
5. Worn or dirty inlet valve or seat.
6. Damaged or leaking float assembly.
7. Particle contamination in inlet fitting cavity.
8. Damaged petcock diaphragm allowing fuel to flow through the vacuum line into the combustion chamber.
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For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
Carbs leaking Here is how to fix it
Honda CB350F CB400F Service Manual
HONDA CB400F 1989 Owner Manual

Mar 13, 2014 | 1999 Honda Cb 400 Super Four

1 Answer

Spark plug gap

NGK Spark Plugs CR8EH-9
I'd just change them
some times they look ok but miss fire
if it still hapens start looking at fuel issues ?
Good luck.........

Jan 19, 2014 | 2000 Honda Cb 400 Super Four

1 Answer

I have a 99 honda foreman 400 and it idles fine but when you give it gas it bogs and then quits running? is the jet stopped up in the carb?

sounds like it's time to rebuild the carbs you cantry running some sea foam cleaner thru the gas but you will prob. have to do the carbs

Jun 09, 2010 | 1999 Honda Cb 400 Super Four

1 Answer

Need to know what plug lead gos where took them off and cant remember what order they go back on, 1996 honda cb 400 super four.

Hi and welcome to FixYa,

Seated on the bike, the lefthand ignition coil powers sparkplugs 1 & 4 while the righthand ignition coil powers sparkplugs 2 & 3.

Good luck and thank you for asking FixYa.

Nov 03, 2009 | 1999 Honda Cb 400 Super Four

2 Answers

Idle adjustment on 1970 honda 750 four

the cb 400 has 4 carbs if its ticking over badly and "hunting" then the carbs need to be tuned first to do this you need the right tool you just cant do it by ear as its done on vacuum?? after that its an easy job to set it up, if its out of tune even just a little bit it well run like a dog with big flat spots in its throtel

Oct 23, 2009 | 1975 Honda Cb 400 F

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