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| 00-01 R1 Mechanical Help Mechanical and Critical Issues for the 00-01 R1 |
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10-09-2012, 04:41 AM
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#1
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Just made this great wheelie.. did you see it?!
Join Date: Apr 2004
Posts: 70
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Keihin 41mm carb... Help
Hey Guys,
I have just acquired a classic 2000 R1.
The Carbs are GONE so i figured ill get the KEIHIN 41MM performance carbs since i am going to be making some performance modes to it.
but before moving forward, and considering the fact that THERE ARE NO DYNOs anywhere close to me, can someone please tell me if a brand new carb like such would require some tuning or it is basically PLUG n PLAY?
hope you would share your much respected opinions.
thanks.
kris-
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10-09-2012, 05:12 AM
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#2
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Just made this great wheelie.. did you see it?!
Join Date: Apr 2004
Posts: 70
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ANY ONE ? .... help
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10-09-2012, 06:39 AM
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#3
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Just made this great wheelie.. did you see it?!
Join Date: Jan 2005
Posts: 79
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When I got a used set of FCR41's, the jetting was in the ball park but not great. It would run but very rich. Be prepared to spend some time with the jetting. Will try and help you when you get them.
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10-09-2012, 07:17 AM
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#4
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My 782 gear when I joined
Join Date: May 2002
Bikes: 98 R1, 02 R1, 03 KTM 525 Motard, 04 YZ450, 05 ZX-636, 05 HD Street Glide, 07 Gixxer 750
Location: Easterly
Posts: 2,056
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Throttle cables might not be the stock length either, at least they weren't on my 98
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12-01-2012, 07:32 AM
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#5
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ryongchoi is my bitch...
Join Date: Dec 2002
Bikes: '12 GP Anniversary YZF-R1, '99 Red YZF-R1, '01 Champions Edition YZF-R1, '07 TTR-50, '05 Zuma
Location: Nor Cal
Posts: 5,471
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Most likely you will need to tune the carbs to get the bike to run optimally. The 41mm flatslides give you an amazing boost of performance from the midrange on. Get it dialed in right and enjoy the ride.
__________________
Noriyuki Haga - #41
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12-02-2012, 05:23 AM
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#6
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Foggy Rules
Join Date: Feb 2002
Bikes: Silver/Gray 02
Location: Detroit, MI
Posts: 20,634
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to bad blur1 isn't around, he had alot of experience with them on his 98 
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12-02-2012, 06:39 AM
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#7
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Ask the Master Chief
Join Date: Mar 2004
Bikes: Harris R71
Location: Norfolk, VA
Posts: 2,829
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No dyno, might as well mount up a set of stock carbs and save the money. FCRs need tuning to realize full potential.
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12-02-2012, 10:10 AM
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#8
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para bellum
Join Date: Apr 2004
Location: Bay Area, CA
Posts: 33,324
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For crabs, visit your urologist 
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12-02-2012, 03:00 PM
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#9
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My R1 eats me.
Join Date: Apr 2012
Posts: 23
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maybe do what i did. someone previously deleted the exup from my collector pipe. i took the exup plate out and welded a o2 bung and bolted back on. run a lc-1 wideband. they are cheap and take the guess work out of a/f. took all of about an hr to install using the plate on the collector to drill and weld bung.
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12-02-2012, 03:19 PM
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#10
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Just made this great wheelie.. did you see it?!
Join Date: Jul 2003
Bikes: 1999 R1
Location: south Florida
Posts: 40
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carbs
I have had three R1's with FCR carbs on them. The carbs come with 185 main jets from the factory. This main jet is about 90 percent correct as long as you are runnin ram air and a full exhaust system. You will notice an immediate difference.
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