Date: 07-05-24  Time: 11:00 am

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Messages - Dartagnan66

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Fazer 1000/FZ1 corner / Re: Muffler modification caused sudden consumption issue
« on: 07 September 2017, 12:54:39 am »
Tell you honestly, the funny thing is the real exciting noise coming by 4-6k, over that is similar like before only louder... So basically I don't rev too much higher than before....
Since I've posted here, I did some research, and I've read something about so called back-pressure in muffler, the airflow is more easy, shorter and faster, so the engine need more air on inside, but I didn't change for something high flow air filter.... But i am not sure, really would be great some advice from a real expert

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Fazer 1000/FZ1 corner / Muffler modification caused sudden consumption issue
« on: 07 September 2017, 12:03:49 am »
Hello guys, sorry for disturbing you whit some silly question, but I have got here some consumption issue.
Last week I've decided to little modify my original Scorpion muffler.
Nearly I cut it in half, the original 24" is 13" right now.
It's looks pretty cool, it's sounds pretty exciting... But... And there's a big BUT...
Since that cutting the consumption suddenly raised... And not just a little...
I am using the bike basically for commuting, a little in city, then few miles on motorway, then few miles in industrial area, in free time some fun riding. The speed on motorways 70-90 mph depends on traffic. The consumption was before the modification like 42-43 mpg (UK mpg) and after the cutting is 35-36 mpg.
Any ideas what's happened and how could I solve this?
Thank you for your help in advance!

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