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CBR 600 F4 running lean, could Sea Foam help? |
I just bought a CBR 600 F4, 1999, 13k miles. It runs "OK" but almost definately lean. It doesn't want to pull away from stop lights without tons of throttle and some fancy clutch work, and it sputters a lot when the throttle is closed unless I open the choke. I'm hoping to try some solutions that don't involve spending a few weekends breaking down the bike. Does anyone have any experience with a cleaning products called "Sea Foam" in this kind of situation? I have some of that and am considering using it as a fuel additive. That's the "easy" option and has the benefit of giving me an excuse to ride around to get it through the system. it needs to be properly rejetted. i would get this squared away soon, if its too lean, u'll cause engine damage. sea foam wont do jack for a lean condition. i'm surprized this bike even runs right now. Sorry, I have no experience with Sea Foam but from what I hear from most people, you should never add any additives to your motorcycle unless they are specifically designed for bikes. I hear those octane boosters and fuel system cleaners arent good for bike internals. Not sure how true this is but I've heard it from alot of people. Has the bike been modified? The f4 is carburated (i think) If someone added an exhaust or aftermarket intake that may have leaned it out a bit. Maybe the carbs are clogged. Sea Foam won't hurt your bike at all. I have used it regularly in all our bikes with great results. It's main function is to remove minor buildup from the carbs and inlet areas. Some people have put it in oil also, but I hesitate to do that. Try the SeaFoam and see if it clears up your problem...It can't hurt. But remember it's really a temporary solution as nothing is better than a good carb cleaning (especially if your bike has been sitting for some time). Additionally, the symptoms you describe could also be the result of fuel pump malfunction (if your bike has one...can't remember for the CBR 600), or clogged fuel filter. You might also check all fuel lines, the petcock, and examine the tank to see if maybe there is some restriction somewhere (rust, dirt, water). Check for air leaks also (carb boots leading to the inlet area are often suspect). Check air filter too. |
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