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Hmmm.... well written. I never ever thought that the FI system can have so many problems as pointed by you, and i always felt it was kind of flawless and amazing when compared to the carbs.
Although, here in India the fuel injected bikes available in the market are very few can be counted on fingers. So i guess its not goodbye to Carbs so fast, not in India atleast.
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Sorry I must correct something, although it has nothing to do with carbs. It's not to take out the brake pad pin that a dealer-only diagnostic tool is now needed on some of the latest cars (yet), but to wind back the caliper pistons. The same applies, though, in that a computer seems completely unnecessary to do either of these simple jobs.Learn from the mistakes of others. You won't live long enough to make all of them yourself.Comment
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Ganeshan sir, would like to spice up this thread & bombard you with lot of questions & hope you don't sharing the knowledge to keep this thread with new posts.
Lets start with basics, what's the difference between a regular & flat slide carbs?Skill is what keeps you on a Motorcycle
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^^ good question Aargee..
But i feel that carburettors are being phased out for another reason.. they became too complex to tune and adjust, and to suit all requirements of an engine. It would need a mech 24/7 tinkering with the settings.
So alternatively, a computer does that tinkering real time, and delivers the best possible performance.
Though advances in circuitry and wiring/sensors etc, have made FI as robust and reliable as Carbs.
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I feel the FI system is as reliable as carburetters. All the cars in India are now Fuel Injected. I never heard of any issues with FI in cars. If at all, very very few and is acceptable.HH Karizma (Current) || CBF Stunner PGM-FI || Honda CB Unicorn Dazzler
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Quite true, the issue with bikes is that the FI units are reallly on the cheaper side. But still there havent been many issues with bikes with F.I ! Just that most of the mechanics don't even know what F.I is...Originally posted by ravi@17bhp View Post
I'd go for an F.I bike provided there's someone who knows how to work / tune / maintain F.I units.A man's testosterone level is directly proportional to bhp that he's using on his motorcycle.Comment
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Hi Aargee! There are quite a few things in the design of flat slide carbs that make them better. Going into all of them could be interesting, but a bit technical, and, I'm afraid, I'd have to get my books out! Maybe some other XBhpian can help.
But, off the top of my head, the main advantage is that they are more compact (but taller) and produce better control of the airflow. With a flat slide carb, when you open the throttle the slide goes up letting airflow into the engine. Once it is fully up, wide open throttle, there's nothing left in the air passage that would cause turbulence in the airflow, such as with carbs that have a butterfly valve in the way. Better control of the airflow makes them more efficient.
Injection systems actually also use butterfly valves, but I'm pretty sure I read somewhere that hi-performance FI systems are/have been using a flat slide too because of the same reasons. Can't find anything in my books but I've seen references to that. I wonder if anyone else can comment on this.
I cannot say that FI is worse than carburettors. Since the car/motorcycle manufacturers prefer FI to carbs, the advantages must outweigh the disadvantages, as far as they are concerned. But personally I prefer carbs for the reasons that I gave in my first thread.
Last edited by Ganeshan; 08-23-2010, 07:53 PM.Learn from the mistakes of others. You won't live long enough to make all of them yourself.Comment
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guys i need to know some detail working and its explanation with pic of fuel injection.
1. how it work ?
2. where is the fuel pump ? and it runs on electric ? if yea is it AC or DC ?
3. where the sensors are located ? and how is the air flow maintain ?
4. good writeup with pics would be helpful !!sigpic
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