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post #1 of 10 (permalink) Old 01-23-2006, 03:33 AM Thread Starter
 
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Kawa Z750 upgrade

HI,

I'm an owner of kawasaki Z750 ('04) and I would like to make a little
tunning on my bike. Last year I bought an open exhaust, which is a
replica of akrapovic, and now for this season I would like to make
another upgrade. And that would be a sport air filter. Here in Croatia I can find BMC, DNA and K&N. The price is unimportant, because it's
almost the same for all of three. On internet(google) I couldn't find any reviews, tests, compares of them. So now I'm in dilemma. In general for K&N filters I heard that they became worse, BMC are OK but I'm skeptic with italian products. For DNA I don't have any info. So if someone have any good advice I would be very grateful.

This was the first thing, the other one is called vacuum switch derestriction & reset of the electronics. The reset of electronics as I heard is done by removing wires from battery, and short-circuit the main + and - wires, and puting the key in ON position. After that the electronics is reset, and the default factory settings are loaded.
Is this true, and is this a right way to do it properly ?

I also heard that if you put an open exhaust on your Z1000/750, you must do vacuum switch derestriction, because the motor will work better and there will be almost none back fire? I asked my dealer/service and he said that he knows how to do it, and then I said than you do it. I don't know the details of the whole procedure, but I know that it has something to do with the rubber hoses above the motor. But I'm not really sure that he done it correctly, because I didn't noticed that he do anything with the hoses, when I drove the bike for regular checkup on 12kkm.
So if someone know what has to be done with the hoses, so I could compare it with mine.

Thank for the help!

--
Traxman
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post #2 of 10 (permalink) Old 01-23-2006, 09:29 AM
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I've always liked the BMC stuff. K&N is alright. Don't know about the other. Never used it.
Are you going with a factory style insert or open pods?

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post #3 of 10 (permalink) Old 01-23-2006, 04:40 PM Thread Starter
 
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Quote:
Originally Posted by jeeps84
I've always liked the BMC stuff. K&N is alright. Don't know about the other. Never used it.
Are you going with a factory style insert or open pods?
Probably with factory style.
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post #4 of 10 (permalink) Old 01-23-2006, 04:42 PM
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Just for the record; I recommend the BMC.

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post #5 of 10 (permalink) Old 01-23-2006, 11:07 PM
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Trax... I agree with Jeeps!




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post #6 of 10 (permalink) Old 01-24-2006, 02:38 AM Thread Starter
 
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Quote:
Originally Posted by Gas Man
Trax... I agree with Jeeps!
Any specical reason why?
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post #7 of 10 (permalink) Old 01-24-2006, 09:24 AM
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Quote:
Originally Posted by traxman
Any specical reason why?
The dyno numbers have proven time and time again that The Factory style filters (clean) are better flowing than aftermarket (with filter oil) Out of the more popular brands. The BMC flows better on most test than the K&N.
The only real advantage you get out of a insert is wash and reuse.
With fresh oil, new/cleaned filter, will be more restrictive than a OEM filter. After many miles (time to wash and reoil) the filter will start to show slight improvements over its OEM counterpart.

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post #8 of 10 (permalink) Old 01-24-2006, 05:12 PM Thread Starter
 
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Quote:
Originally Posted by jeeps84
The dyno numbers have proven time and time again that The Factory style filters (clean) are better flowing than aftermarket (with filter oil) Out of the more popular brands. The BMC flows better on most test than the K&N.
The only real advantage you get out of a insert is wash and reuse.
With fresh oil, new/cleaned filter, will be more restrictive than a OEM filter. After many miles (time to wash and reoil) the filter will start to show slight improvements over its OEM counterpart.
This is the first time I'm hearing this, that BMC, DNA, K&N are worse than original paper filters. All manufacturers are saying that there filters are better at least 5% than original ones. Now I'm disappointed
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post #9 of 10 (permalink) Old 01-24-2006, 09:13 PM
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Thanks Jeeps... its all for us! Some of the dyno people around here can add more to this!!!




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post #10 of 10 (permalink) Old 01-25-2006, 06:14 AM
 
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Quote:
Originally Posted by traxman
This is the first time I'm hearing this, that BMC, DNA, K&N are worse than original paper filters. All manufacturers are saying that there filters are better at least 5% than original ones. Now I'm disappointed
ive seen dyno results for SV's; OEM vs K&N. The oem produces more flow/hp. This seems to be frequent for motorcycles, but not as much for autos. interesting....
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