Question about 1997 Honda CBR 900 RR Fireblade

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Honda fire blade rrx been stud for a while but is runing now its had the carbs clean out and the jets removed and cleaned .The fuel tank has been cleaned and all pipes its had new fuel and new plugs but seems to miss fire on number one cylinder and the down pipe doesnt seem to get has hot has the other untill reved up. It starts no problem but back fires and pops out of the exhaust even when warm and smells a bit not of oil but has if it rich

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Ok buddy on number one cylinder carb will be a screw on the carb fiddle with this screw till it runs ok the mixture screw get back to me if not ok

Posted on Sep 25, 2009



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My 89 cbr 600 won't start unless I poor fuel down the carbs then it will fire up have tried bypassing the fuel pump there is fuel in the float bowls but doesn't seem to be getting to the cyl have pulled...

The carbs are plugged and need to be completely disassembled and cleaned out along with the tank and petcock. If the tank has any rust it remove the tank and put a tank liner kit in it. Most cycle shops and online stores will/may have the liner kit. The carbs will easily plug up with the new formulated gas even sometimes in less than a years time. If you are not familiar with the cleaning process, it is best to take it to a dealer ship or mechanic. Some carbs have jets inside that will have orifice as small as .010 inch. Most home mechanics or "do it your selfers" will not have tool that can clean those size jets.

Nov 19, 2013 | 1989 Honda CBR 600 F Hurricane

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I have a honda tiller that I have checked and it is getting fuel to the carburator and has good spark but will not continue to run. I can get it to turn over by spaying carburator cleaner in the carburator...

You will need to remove the float bowl from the carb and clean out the jetting. There are small tubes that serve as a restriction for the amount of fuel allowed to enter the engine. These can easily be plugged up with particles and grime after sitting for extended periods. Also make sure the adjustment needles are not screwed down all the way. This, in some carbs, will completely cut all fuel.

Jun 01, 2012 | Honda Roto Tiller

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2004 300EX honda wont run without choke on.Cleaned carb bowl and fuel tank but still as soon as choke is taken off it stalls.It also back fires through the exhaust.

Hi, most probably you must clean the main jet on your carburator . When you use choke you are inceasing the petrol ratio in the fuel mix by reduciing air ; and you need that because the main jet does not alow petrol to flow
good luck

Sep 14, 2011 | Honda HUnter Softail SLD003 Motorcycles

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My bike sat in garage for about a year without being started.I fired it up and now it runs rough and motor hesitates when shifting. Ifilled tank with fresh gas

You will need to clean the complete fuel system to include the carb. After time the fuel turns to varnish and will plug up the jets in the carb. Remove the carb and clean it throughly that should fix your problem.

Nov 05, 2010 | 2003 Honda VTX 1300 Retro

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I think my carb is gummed up or the jets are plugged. whats the best way to clean this without removing the entire carb or is there no easy way

The only way to properly clean is to remove and disassemble. However if you are just a victim of bad gas, a shot of carb cleaner down the fuel line will remove fuel that has gelled in the jet. Know if the clog is more serious, drain the carb bowl, and fuel tank. Pour some Chevron "TECRON" directly into the carb, mix a Shock Treatment ( about a third of cup in one gallon of gas)and put in tank. Start the bike just enough to **** into jets, and let sit overnight.Drain the carb bowls and restart the bike. let it idle or drive it slowly for five minutes. this will usually take care of minor clogs.When bike is idling or running better drive to gas station and fill the tank. Drive the shock treatment through the bike(100 plus miles), this should clean up the entire engine. If the techron does not clean the carbs in 5 to 10 minutes of running time, you will have to take them apart to clean them properly. Use Chevron "Techron" not Chevron "Fuel sytem cleaner with Techron". Techron is more concentrated.

Jul 15, 2010 | 2001 Honda VT 750 CD Shadow A.C.E. Deluxe

1 Answer

1998 Honda CBR 900 RR Fireblade ran out of gas now it won't start with a full tank

Hi, Grimrip36 if you have an old bike that has not had regular fuel system maintenance and you run the fuel tank dry I feel your pain. All the contaminants water-dirt-rust-liner paint flakes-ethanol sludge etc. that lived in the bottom of your fuel tank get mixed with the last few oz. of fuel left in the tank and enter the fuel system clogging up fuel filters-fuel valves-fuel lines-carburetor jets-needle jets and seats-fuel injectors etc. You fill up your fuel tank and guess what your bike does not start or if it does it runs like dog caca, a complete cleaning of the fuel system is mandatory, the procedure is as follows:
1. Drain the fuel tank and inspect the inside for leftover uninvited guests decontaminate as necessary for rusty environments install a liquid fuel liner.
2. In tank fuel pumps with external filters need to be cleaned.
3. Fuel valves need to be rebuilt with a new gasket kit.
4. Fuel lines need to be inspected for integrity and replaced as necessary any inline fuel filter should be cleaned or replaced.
5. Carburetors need to be disassembled then "DIPPED" and soaked in a commercial carb cleaning solution Gunk sells 1/2 gallon pails with meshed screen baskets. Reassemble using new rebuild kits. Record all jet sizes and float level for fine tuning.
6. Fuel injectors and fuel rails need to be properly cleaned and tested for optimum performance, if necessary send off any suspect injectors to "" for a modest fee they will refurbish the unit back to factory specs.
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.
Ran out of fuel Now it won start PLEASE HELP CBR Forum Enthusiast forums...
Ran out of gas now it won start
Honda CBR900RR Service Manual
Honda CBR900RR Fire Blade Owner Manual

Jul 04, 2010 | 1998 Honda CBR 900 RR Fireblade

1 Answer

I have a 5.5 HP/160cc honda lawn mower. It is getting fire it is getting fuel to the carb. Bowl but no fuel in the carb to allow it to start. What is the problem

You have blocked jets inside the carb.

If you have let fuel stand in the carb sometimes this causes corrosion which eventually plugs up the carb.

The bad news is that most of the time with these engines the only thing that will fix it is a new carb.

You can try to take the main jet out and clean it first though. No use spending money for service when a thin piece of wire and some light cleaning might do.

You should get a copy of this motors carb breakdown and use it as a guide to disassemble and remove the main jet for cleaning.

Be safe and good luck!

May 21, 2010 | Garden

2 Answers

Will not idle

Your carbs are dirty and need to be cleaned. A tank of bad gas or old gas can gel up the jets. You buy gas, drive home, and when you get there the bike stops idling. Light gelling can be fixed by draining the carbs (screw on bottom of bowl), pulling the fuel line off the tank, and squirting some motorcycle carburetor cleaner down the fuel line. Plug the fuel line back in turn on the gas and start up the bike. If that doesn't work, using the same procedure buy some Chevron Techron fuels system cleaner, pour directly into the carbs and let sit over night (also drain tank and heavily treat one gallon of gas and put in tank) Fire up bike and let run ,idle, slow drive for 5 to ten minutes. This will usually get cycle idling without disassembling carbs. If it still wont idle you will have to take off the carbs, disassemble and clean blowing through the jets and jet passageways.

May 08, 2010 | 2005 Honda VT 600 C Shadow

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Honda cx500 only fires on 1 cylinder

Pull the bowl from the left carb and remove and clean the float needle and jet. It sounds to me that this passage is plugged. You might as well clean the whole set since you have it off.
It is a common problem for those carbs on the older bikes for the jets to plug up from old gas, or material such as rust in the tank. Check your fuel filter if you have one. If not I would suggest you install one when you are done.

Mar 11, 2009 | 1981 Honda CX 500 B

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