CBR 1000F "Hurricane" 1987-1996 CBR 1000F

jet kit question

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Old Dec 25, 2008 | 09:11 PM
  #1  
unforgivenreality's Avatar
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Default jet kit question

when i stick the stock motor that i am picking up in my bike im putting idividual k&n filters on each carb and the yosh slipons back on. i will have to jet it up but will a dynojet stage one kit dump enough fuel in for those two mods?
 
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Old Dec 27, 2008 | 02:21 AM
  #2  
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Default RE: jet kit question

Not sure about the Jet kit - I have a stage 1 in mine, not sure if it makes any difference.
These bikes are overjetted as standard, so you probably won't feel any change. You don't have to rejet.....not unless you're running a full Yoshi kit, from the manifold.
I would suggest that you leave the original airbox in place, and fit a single K&N in there.
These motors are designed to run best with 'still' air' and the turbulence you will have when you remove the airbox and side air intakes won't be good. The Yamaha XJ900 is the same, and both run better with an airbox. Just for info, your choice.
 
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Old Dec 27, 2008 | 01:53 PM
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Default RE: jet kit question

acctualy i kind of have no choice as the airbox was missing when i got the bike
 
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Old Dec 28, 2008 | 01:04 AM
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Shadow's Avatar
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Default RE: jet kit question

Always pick up an airbox cheap on e-Bay. I'll find one for you if you like.......
The other problem is heat- with the normal ducting, the air into the carbs is relatively cool, and if you don't fit the airbox, the air into the motor will be a lot 'hotter', which isn't a good thing.
We've had this discussion before, and as I recall the general consensus of the members was to fit the original airbox.
Just for info, your bike, your choice.............
 
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Old Dec 28, 2008 | 12:41 PM
  #5  
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Default RE: jet kit question

acctualy i took your advise and picked up an airbox while i was getting the motor and it already had a k&n in it for 25 bucks but i need to find the ducting for the left side
 
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Old Dec 28, 2008 | 01:34 PM
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Redcoat, & Maxwell's Silver Hammer, MVN and curmudgeon
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Default RE: jet kit question

http://cgi.ebay.com/ebaymotors/1993-...QitemZ13027758
http://cgi.ebay.com/ebaymotors/1993-...W0QQitemZ14029
Don't know about fit...............
 
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