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Old 04-09-2013, 10:23 AM   #4261
RockRacing
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Originally Posted by Turk View Post
Another question already

Does the FMF PC4 come with the bracket for the plastic over the exhaust as standard, or is this purchased separately?

A friend bought one locally however his came without. I have a sneaky suspicion that he was sold a universal pipe???!
The PC4 comes with the brakets for the plastic, also there is a small insert to adapt to the stock header if you're still running it.
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Old 04-09-2013, 11:41 AM   #4262
callison
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EJK Fuel Programmer

I've placed my order for the EJK fuel programmer. Good company to work with, they give an attractive discount for Veterans. I'm eager to get it installed and feel the difference it makes.

One question, those of you running the EJK, have you disconnected the O2 sensor?

http://www.electronicjetkit.com/EJKinstallation.asp

Quote:
ADDITIONAL STEP FOR O2 SENSOR EQUIPPED VEHICLES

A number of newer vehicles implement the use of narrowband O2 sensors to help target a desired air/fuel ratio (AFR) for the engine to operate at. For racing and performance scenerios the O2 sensors must be bypassed in order to allow for complete range of tuning. The purpose of bypassing the O2 sensors is to allow the vehicle to run in open loop mode where fuel adjustments can be made freely. When the vehicle is using the O2 sensors to make fuel trim calculations it is said to be in closed loop mode. Attempting to make fuel adjustments while the vehicle is in closed loop mode can create erractic drivability as the stock system continually tries to trim back to the desired AFR.
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callison screwed with this post 04-09-2013 at 01:53 PM
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Old 04-09-2013, 01:30 PM   #4263
kiwi5
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Originally Posted by callison View Post
I've placed my order for the EJK fuel programmer. Good company to work with, they give an attractive discount for Veterans. I'm eager to get it installed and feel the difference it makes.

One question, those of you running the EJK, have you disconnected the O2 sensor?
That is interesting info, I did not see the instuctions for my EJK as my mechanic installed the EJK,but he did not disconnect the 02 sensor. I know that the "Best Dual Sport Bikes" website recommends removing the 02 sensor but I have yet to do it. I'm going to call EJK now and ask them (I emailed them regarding airbox mods last week but have yet to hear back). If I can get ahold of the EJK tech people I will report back.
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Old 04-09-2013, 01:58 PM   #4264
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Ejk tuner

Okay, just spoke to the tech team at EJK and here is the verdict on the 02 sensor: try it on/off and see what you feel. He said that it improved performance on some bikes, not so much on others. There could be a reduction in fuel efficiency with it removed- he reckoned if there was an improvement you would certainly feel it in the old "seat of pants" test. We also spoke about what airbox mods to do with a stock bike exhaust and EJK tuner: remove snorkel and backfire screen is the answer. Drilling holes all over the airbox was not recommended. Maybe open up the top more if you live in some crazy high altitude USA state. That's it boys- straight from the horses mouth! I also discussed fuel effiiciency- 5-7% reduction at cruising speed on the highway is the answer. Impossible to really give an answer when you are thrashing the bike offroad as there are too many variables. Right, as soon as I finish work I am off to test my bike with the 02 on/off, I've got a paddock with no cows in it next to the house. There is a steep hill and some trees to do figure eights around. Good testing ground. When there are no cows. Or sheep.
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Old 04-09-2013, 04:34 PM   #4265
emreturkeli
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Originally Posted by kiwi5 View Post
Okay, just spoke to the tech team at EJK and here is the verdict on the 02 sensor: try it on/off and see what you feel. He said that it improved performance on some bikes, not so much on others. There could be a reduction in fuel efficiency with it removed- he reckoned if there was an improvement you would certainly feel it in the old "seat of pants" test. We also spoke about what airbox mods to do with a stock bike exhaust and EJK tuner: remove snorkel and backfire screen is the answer. Drilling holes all over the airbox was not recommended. Maybe open up the top more if you live in some crazy high altitude USA state. That's it boys- straight from the horses mouth! I also discussed fuel effiiciency- 5-7% reduction at cruising speed on the highway is the answer. Impossible to really give an answer when you are thrashing the bike offroad as there are too many variables. Right, as soon as I finish work I am off to test my bike with the 02 on/off, I've got a paddock with no cows in it next to the house. There is a steep hill and some trees to do figure eights around. Good testing ground. When there are no cows. Or sheep.
Waiting for that answer hoping that it will be "no need to remove o2 sensor"
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Old 04-09-2013, 04:46 PM   #4266
bhoneydew
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Does anyone have any experience with 2-up riding? I am close to buying one and might have a passenger every now and then. Thanks :)
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Old 04-09-2013, 05:13 PM   #4267
emreturkeli
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Does anyone have any experience with 2-up riding? I am close to buying one and might have a passenger every now and then. Thanks :)
My wife said that it's acceptable for short runs in the city, but no way for longer trips.

Of course we need to keep into consideration that our last bike was a 2012 Kawasaki Versys 1000 Tourer with a Gel Seat!! (which was closely sized to our sofa)

PS: She's 163cm and 47kg by the way..
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Old 04-09-2013, 05:46 PM   #4268
bhoneydew
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My girlfriend is 5'10 so I am hoping it isnt too cramped. We'll try it out at the dealer to be sure. Looking to ride up into the mountains 20 kms or so to do some exploring and fight the Samsqauntch.
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Old 04-09-2013, 06:35 PM   #4269
BlueLghtning
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Originally Posted by bhoneydew View Post
Does anyone have any experience with 2-up riding? I am close to buying one and might have a passenger every now and then. Thanks :)
Quote:
Originally Posted by bhoneydew View Post
My girlfriend is 5'10 so I am hoping it isnt too cramped. We'll try it out at the dealer to be sure. Looking to ride up into the mountains 20 kms or so to do some exploring and fight the Samsqauntch.
How tall are you because that might be a pretty cramped ride? To make room for her on the back, you might be really pushed up on the tank yourself and the CRF has a pretty small and cramped seating position. Most DS bikes aren't known for their 2up comfort, but a 20kms ride may not be too bad since its pretty short.
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Old 04-09-2013, 07:00 PM   #4270
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Originally Posted by emreturkeli View Post
Waiting for that answer hoping that it will be "no need to remove o2 sensor"
From what the tech team at EJK said, there is no need to remove it- the EJK tuner will work fine with it clipped in or out. But your bike MAY work better with it removed, apparently the difference is noticeable. If you don't "feel" a decent improvement then clip it back in. It is very easy to unclip it and clip it back so you should try! If your bike works better with it unclipped then you may want to tape the loose end to the frame to protect it. Oh, the other comment made by the tech team at EJK is that the 02 sensor is there mainly to assist in complying with EPA regualtions. Now I really want to un-clip it!!!

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Old 04-09-2013, 07:54 PM   #4271
kiwi5
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Don't torque that bashplate too tight!!!

I was just inspecting the CRF250L we have at work and noticed that the BB Bashplate was bolted on wayyyyyyy too tight. The mechanic cranked on the two front bolts so tight that the tabs on the frame have bent and it looks like hairline cracks on the tabs as well! My attention was drawn to this because I noticed some rust on the left side tab, so the motto is: don't torque those bashplates on too tight. Now I will have to get our local engineering firm spot weld these tabs and paint on some rustproof paint. I will be very careful when I install the bashplate on my bike that's for sure!
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Old 04-09-2013, 08:28 PM   #4272
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EJK Tuner

I've never messed with the O2 sensor on my bike......maybe I'll try it unclipped someday when I get bored.....seems to run fine with it still attached. I bought the EJK with the intentions of installing a full FMF exhaust. I started out with the FMF slip-on muffler and decided it was too loud for me and put the stock muffler back on but I'm still running the EJK programmer. One nice thing about the EJK is that you can return the EJK to stock fueling without uninstalling the unit should you decide you want optimum fuel mileage for a trip, etc. You just set the FUELING modes (green, yellow, red) all to light setting 0.5 to revert back to stock. It only takes a minute or so to do this.....how cool is that? Then you want to pump more fuel for more power off road......just reset whatever settings you were running previously. The only drawback for me is I have to remove the seat to get to it but that's no big deal.
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Old 04-09-2013, 09:29 PM   #4273
kiwi5
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Originally Posted by Harcomo View Post
I've never messed with the O2 sensor on my bike......maybe I'll try it unclipped someday when I get bored.....seems to run fine with it still attached. I bought the EJK with the intentions of installing a full FMF exhaust. I started out with the FMF slip-on muffler and decided it was too loud for me and put the stock muffler back on but I'm still running the EJK programmer. One nice thing about the EJK is that you can return the EJK to stock fueling without uninstalling the unit should you decide you want optimum fuel mileage for a trip, etc. You just set the FUELING modes (green, yellow, red) all to light setting 0.5 to revert back to stock. It only takes a minute or so to do this.....how cool is that? Then you want to pump more fuel for more power off road......just reset whatever settings you were running previously. The only drawback for me is I have to remove the seat to get to it but that's no big deal.
I was not aware of the "return to normal" function! Very cool. So far my fuel efficiency has not changed enough for me to want to revert back however. I am horrified of messing with the EJK settings but someday I might try...... We have a FMF Q4 slip on that was installed on the CRF we have at work, nice weight savings- VERY LOUD. I'm glad I got the EJK and not the slip on for my bike.

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Old 04-09-2013, 10:44 PM   #4274
carlclaflin
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Pic of where my CRF got me today...
are you a HAM? just wondering, with the antenna towers behind. i live in so.cal for number of years. if so what your call sign? mine is KG6PMD.
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Old 04-09-2013, 11:40 PM   #4275
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No HAM here...

But I do love Bacon!

Antennas are on top of Saddleback Mtn. Just needed some mega dose of radiation.
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