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Fuel Fuel Delivery


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January 25th, 2007, 12:28 AM   #11
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Yeah Hbut thats the one!! And yeah buz I think you might be on the money with your thoughts!
I would have thought there would be more owners whom have used this device as it has won many mag votes as the "best 4stroke aid money can buy"?
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January 25th, 2007, 01:16 AM   #12
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Re: ?

Originally Posted by Scully
Yeah Hbut thats the one!! And yeah buz I think you might be on the money with your thoughts!
I would have thought there would be more owners whom have used this device as it has won many mag votes as the "best 4stroke aid money can buy"?
Perhaps it should have been voted " best 4stroke aid money can buy if you are easily parted from your hard earned dosh"

Plenty of tuning options for the pump shot/progression of the FCR fuel delivery in regard to sorting lean or rich bogs without resorting to spending $170 on a couple of dollars worth of alloy and CNC machine time-

I had a major bog problem on my 650 that was sorted with a 4x.7mm screw, a fibre washer and 1/2 hour of my time. My money stayed in the bank, ready to purchase crank bearings.
lol.

The major bonus of purchasing one of the brands of these diaphram covers is you may recieve a new sticker/decal for your toolbox
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January 25th, 2007, 02:12 AM   #13
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the OBDVR needle improved my 650 , easy fix .


'' crank bearings ''
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January 25th, 2007, 01:02 PM   #14
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As far as the Quick Shot goes, I see no reason to buy one. Consider that the Honda diaphragm kit comes with a new diaphragm, machined AP cover, spring, rod, and two O rings, for $20. As far as I can tell, the Quick Shot gives a deeper well to give the diaphragm a greater stroke. This is more easily done by reducing the height of the metal pellet in the center of the diaphragm, which is exactly what the Husaberg diaphragm is, in comparison with the Honda diaphragm. There is also a Leak Jet in the float bowl, that controls the volumn, or size of the squirt, of the AP. This should be available from any dealer. I think that a 55 is stock. As to my present needle, I have an NCVS, 2.765mm dia. The OBDVT has a 2.775mm dia, The OBDVR has 2.755mm dia, and the NCYQ a 2.745mm dia. So actually, the needle I have in there now is right between the VT and VR. The OBDVR is probably where I will end up. An NCVR or NCYR would be roughly equivilent, + or - a clip position. It was interesting to see that the diaphragms were made by NGK.
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January 25th, 2007, 07:30 PM   #15
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Couldnt agree with you Aus, I HATE wasting money on my bike! The price of mufflers and exhausts comes to mind. You could fit a car with extractors etc and a shine and a tyre for the same price!
Buzz, I had a look at the video you mentioned; very interesting reading. And the needle lettering; you can find it here>> factorypro.com/tach/carbei and there is a Keihin FCR tuning manual Version 3.3 by Patrick Burns. Its really good reading!
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January 26th, 2007, 07:09 AM   #16
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Scully, thanks for the info. Good site! The standard needle lettering/numbering system seems to be infiltrated with companies making up their own system. The OBDVT and the NCVT are close. T means the same thing on both designations. The V of OBDVT is a length to the taper of 82.75mm. The V of NCVT is a length of 59.41mm. The D of OBDVT indicates a taper angle of 0degree45'. I cannot find what C of NCVT means. The four Japanese companies use the N--- system. Does anyone know where the code to decipher this system is available?
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January 26th, 2007, 09:59 AM   #17
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To make matters worse some of the Japanese FCR equiped bikes have 5 letter code needles Some of the KTM guys are using a OCEMM needle in the 525.

I wish someone knew why there is a difference in coding ? Dale?
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January 26th, 2007, 11:11 AM   #18
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OCEMM ??

Any chance you meant OCEMN

Mark
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January 26th, 2007, 12:03 PM   #19
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Originally Posted by chilledspode
OCEMM ??

Any chance you meant OCEMN

Mark
Yes
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