Question about 2001 Yamaha FZX 250 Zeal

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Ignition mapping

This is not a how to but a question so feel free to move it. I was enquiring on another forum if there was any way to remap the ecu without getting a power commander, as the only reason i needed a remap was because i had fitted a&r baffles, a cat eliminator and a K&N filter to my new fzx 250 and it was running as rough as a ***%*. So someone replied that there are three ignition maps in the ecu and when I go to the dealer I should ask if they can change the mapping? First I have heard.

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I've never heard of anything like that... but i have an 06 and as far as i know there was nothing like that for mine... as far as the 08's... hmmm that would deffinately be a dealership call, might wanna give them a ring in the morning. but honestly just get the pcIII, it will do wonders with a stock bike, and with a few bolt ons it will deffinately make a big difference between having it properly tuned and not....

Posted on Nov 10, 2008

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1997 YZF 1000. Why doesn't it start?

Hi, Joseph and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
8. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
9. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
10.. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
11. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2, TPS, ETP, IAC,or BAS).
12. Faulty neutral, clutch lever, or kickstand safety switch.
13. Faulty fuel pump fuse or relay.
14. Security alarm needs a reset.
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Light comes on missfires then light gos out

Hi, Anonymous and the usual suspects are:
1. Spark plugs in bad condition or partially fouled.
2. Spark plug cables in bad condition and leaking.
3. Spark plug gap too close or too wide.
4. Faulty ignition coil, module, and or sensor.
5. Battery nearly discharged.
6. Check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
7. Intake air leak.
8. Water, dirt, or rust in the fuel system, carburetor and/or filter.
9. Fuel tank vent system plugged or carburetor vent line closed off.
10. Carburetor controls misadjusted.
11. Damaged carburetor.
12. Loose, dirty, or corroded ignition module connector at crankcase.
13. Faulty MAP, CKP, O2, and/or CMP sensors.
14. Incorrect valve timing.
15. Weak or broken valve springs.
16. Damaged intake or exhaust valve.
For more information about your issue and valuable "FREE" downloads that you will need please visit the websites below, and for specific information or questions, please feel free to contact me at Good luck and have nice a day.
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I have an 08 c90t and I want to put on my cobra dragsters pipes and I was told I have to remap my bike. 1.what is Remapping and what does it do? 2. Will I have 2 remap it?

Hi, Anonymous your bike is monitored by electronic sensors, valves, switches etc. that sends data to your Ignition Control Module which then tells your fuel delivery system how to play nicely with the other children/exhaust, timing, etc. If you replace any of her children ie. pipes, air filter, cams etc. she gets very angry and will make your life and the bikes miserable. Remapping involves downloading a new set of parameters so your ICM will recognise her new children and all will be right in the performance world. Remapping is not cheap and needs to be done by a professional technician and has to be redone every time you install a new performance part you might want to consider purchasing a fuel tuner that you can program yourself and save technician fee's. Tuners come in various price ranges depending on your needs and wallet personally I recommend the Cobra Fi 2000 PowrPro it is plug and play will work on any bike, which is great for your next bike down the road, and is not married to your ICM your local Suzuki dealer can explain that part to you. For more information about your issue and free downloads that you will need please visit the websites below and for specific questions or answers feel free to contact me at Good luck and have a nice day.
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My bike while riding continues to stall, backfire and pop and shut off..

Hi Tony what was problem with original ECU? They don't usually cause this problem. An ECU either works or it doesn't check the plug and lead to see if they are breaking down and allowing the spark to jump. Regards Jim...

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1 Answer

Backfire on 2010 flstc?

Backfiring is caused by a lean air/fuel (A/F) ratio. A leaner A/F ratio takes longer to burn and will continue to burn in the exhaust, hence the backfiring. Is the bike stock, or have you changed the air cleaner or pipes? Both of these changes will result in a leaner A/F ratio. HD bikes with fuel injection already run lean to meet emissions requirements, so changing pipes, etc. will make the problem worse. If you have not made any changes to the bike, make sure that the fuel system is clean and you are using good quality gas. You can also have the bike's computer (ECU) remapped to run a little richer. Your dealer may be able to do this for you, or there are aftermarket ECU tuners available for your bike that can adjust the fuel map and ignition. These will give you the added benefit of more power and a cooler running engine.

Apr 24, 2014 | 2010 Harley Davidson FLSTC Heritage...

1 Answer

Back fire with vance hines pipes

Sounds like it is running lean. The ECM must be remapped for a performance breather and/or free flowing pipes. I would use H-D Super Tuner or have a dealer do a digital download to remap the ECM properly for the changes you have obviously made. You may do great harm to your engine if you run it without the mapping change as the VE will be changed and the ECM doe not know what is physically going on with VE if it is not mapped into the ECM

Mar 26, 2012 | 2001 Harley Davidson FLHRCI Road King...

1 Answer

I've just fitted a carbon can and the bike runs well but I'd like to tune it correctly for maximum output so I'd like to know how? I don't want to fit a power commander or have it re mapped if I can help...

There's no way of doing it without a remap or P.C. the bike will automatically adjust it's map a certain amount to compensate for the can but you won't get the full benefit unless it's remapped.

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