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how to increase the fuel efficiency of bullet 350cc

2007-12-08 03:16:47 · 4 answers · asked by Moto 1 in Cars & Transportation Motorcycles

4 answers

Actually, fuel injection has better fuel efficiency.

2007-12-08 04:06:00 · answer #1 · answered by pb&j 4 · 1 1

I don't know much about those bikes but I do know that many carburated bikes that come into this country are jetted very lean to meed emmissions standards. There is one thing you can do that doesn't entail tearing the carb apart. On the side of the carb you should find the idle jet screw with a slotted groove for a flat screwddriver. Most likely it will be brass and will be yellowish in color compared to the grap die cast body. There's a chance it's covered with a plastic or metal cap or has a plug pressed in on top of it. Once you have access to the screw, take your screwdriver and turn it clockwise until you feel resistance. It's spring loaded, so it will feel snug to begin with but when it bottoms out, stop. DO NOT crank it down hard! Count how many turns it took to get it down snug. On some carbs the screw controls air but most control fuel. What you're wanting to do is richen the mixture up a bit. If it controls fuel and it took 1 1/2 turns to screw it down, back it out say 1 3/4 turns and run the bike a while. Here's things to look for, a mixture that's too lean will sometimes backfire, especially when cold and throttle response will be slightly sluggish and may hesitate of buck when given a lot of throttle at low engine speeds. If too rich, it will run better when cold and run worse as the engine warms up. Throttle response will also be sluggish but won't backfire and may run better when you crank the throttle open. The tailpipe will also accumulate black powdery soot when too rich. Try adjusting the idle jet say 1/4 turn at a time and run the bike for a while to see if performance and mileage improves. If nothing helps, you can always turn the screw in and back it out the orginal number of turns. ALWAYS count the original number of turns before you start fiddling with anything. When you adjust the idle jet, if may effect the idle speed a bit but that can also be adjusted so that's no big deal. If the bike is under warranty, don't mess with the carbs until it's out or if you do, let the dealer adjust it. Don't want to give anyone an excuse to void your warranty.

2007-12-08 12:47:43 · answer #2 · answered by bikinkawboy 7 · 0 1

Riding at peak torque, which is about 3,000 rpm for your bike, will improve fuel efficiency.

2007-12-09 06:48:51 · answer #3 · answered by Tim D 7 · 0 0

s y not i am having thunder bird 350..keep ur carburetor clean as possible it helps in smooth riding and fuel efficiency

2007-12-08 11:28:36 · answer #4 · answered by kannan 1 · 0 2

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