CBR1000f carb boot restricters?

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CBR1000f carb boot restricters?

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CBR >> Past CBR Models >> CBR 1000F "Hurricane" >> CBR1000f carb boot restricters?

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CBR1000f carb boot restricters? - 2/24/2007 2:38:03 AM

XXCBRChrisXX

Posts: 148
Joined: 2/20/2007
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hey guys im not sure if im barkin up the wrong tree but somewhere i seem to remember something along the lines of smaller diameter carb boots from i think carb to engine. did they do anything like this on the cbr1000f's

any one hear anything about this or is my mind makeing stuff up again

thanks for your time

Chris

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RE: CBR1000f carb boot restricters? - 2/24/2007 2:42:41 AM

R1000

Posts: 1129
Joined: 1/30/2006
From: Sweden
Status: offline

Yes they did, my bike had restricted boots stock, that later was carved up to full diameter.

(in reply to XXCBRChrisXX)

Post #: 2

RE: CBR1000f carb boot restricters? - 2/24/2007 2:56:36 AM

XXCBRChrisXX

Posts: 148
Joined: 2/20/2007
Status: offline

what years did they do this? what was the affect from shaveing them out? how much more power gain?

etc. blah blah etc.

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Post #: 3

RE: CBR1000f carb boot restricters? - 2/24/2007 3:35:57 AM

R1000

Posts: 1129
Joined: 1/30/2006
From: Sweden
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If the bike was restricted or not depends in which market is was sold. In e.g. Sweden all bike brands was power limited to 100 hp from the late 80's and up to mid or late 90's. So, the difference is 35 hp on the crank for the Hurricane.

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Post #: 4

RE: CBR1000f carb boot restricters? - 2/24/2007 8:22:53 AM

malbojah

Posts: 397
Joined: 3/10/2006
From: Cape Cod, MA
Status: offline

Here's something to rack your brain on: on the early model Hurricanes (87-88), they used the same carb boots for all the carbs. On the later models (93-96) there are 3 different boots. One each for the outer carbs and a pair for the inner carbs.

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Post #: 5

Different boots? - 2/24/2007 11:23:29 AM

CBR1000Farmer

Posts: 12
Joined: 7/16/2006
From: USA
Status: offline

I have a 96 - did they do this to even out flow or is it a rh outer, lh outer that have bends (mirror images) and straight tubes for the centers? Did they push the carbs closer together to narrow up the machine a little, thus the need for the different boots? Would my bike have restrictions in the boots? (US model).

Thanks, Pat

(in reply to malbojah)

Post #: 6

RE: CBR1000f carb boot restricters? - 2/24/2007 1:54:26 PM

collector

Posts: 469
Joined: 9/7/2006
From: Norwich UK
Status: offline

On all models there appear to be diiferent sizes of boots depending which country you live in. This was done at the time to comply with that countries law on the final output of the bike. Here in the uk it was 135hp but realistically you had to do some major pulling about to get that type of figure out of the bike. And even with new bikes to get extra performance you still have to spend, spend, spend. So I would check with the dealer first to see if you could get a larger bore pipes on both sides of the carbs........