Question about 1998 Honda CBR 900 RR Fireblade
My 98 CBR 900rr ran out of gas now I can't get it to start rolls over but won't fire
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 "InjectorRx.com" for a modest fee they will refurbish the unit back to factory specs.
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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
Posted on Jun 22, 2017
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Posted on Jan 02, 2017
Check fuel pump is working(remove seat and tank)Although your bike has carbs,they are fed by a fuel pump(under seat and tank)
if there is no fuel getting pumped when you are cranking over,replace fuel pump relay(cheapest option)If still no joy your fuel pump is u/s.although hondas have a seperate small vacume type hose running off the back of the pump,any pump off a kawasaki zx7/zx9 will do the job(they are all made by the same firm)
Posted on Mar 05, 2009
Dont rebuild unless absolutetly necessary or need to rejet. Try some Seafoam first, it might save you hundreds of dollars and a lot of frustration.
read directions on can or just try pouring 1/3 can into two gallons gas and really get on it ...it might clear up any hesitation or stalling if thats whats happening. I got mine at Autozone for $10.( And it fixed the problem after riding for about 15 miles.)
Posted on Sep 15, 2009
Has the bike been sitting for an extended period of time (a year or more)? If so, then the carburetors need to be disassembled and cleaned. Sometimes, if you are lucky, you can drain the stale fuel out of the float bowls and - with fresh gasoline in the tank, it may run. If it hasn't been sitting, perform a complete tune up (valve adjustment, replace spark plugs, change oil and filter, etc.).
If that doesn't do the trick, then there's a more serious problem. One, or more, of the required three things for combustion are missing: Fuel, compression, and spark (at the right time). Make sure there's spark - and it is happening at the right time. Check compression. You need to see at least 140 psi on every cylinder in order for it to run.
Posted on Nov 14, 2009
Could be the carbs (difficult).
It could also be lack of spark (easy fix if you only have to replace spark plugs. Fix is more difficult if you have bad spark plug wires or a problem with the ignition system that makes the spark at the right time).
In any case, the unburned gas has to go somewhere so it runs down the cylinder wall and the piston rings will not seal well enough to keep it out.
Posted on Nov 20, 2009
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