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mattj92
- Settled in member
- Posts: 31
- Joined: Wed Jul 27, 2011 11:07 pm
- Bike owned: Nc30 build in progress
- Location: Farnborough, Hamphire, Uk
Post
by mattj92 » Wed Jan 04, 2012 8:21 pm
Hi all. My first proper post
I'm currently rebuilding a RRK. I also have a knackered RRJ which I purchased for spares.
I found the rrj air ducts didn't line up and bought some rrk ones on eBay. The rrj joints look like they would actually direct air through the frame hole. While the K ones seem look as if all air is deflected up to the tank. Having read through the forum I see the bikes are jetted slightly differenty. The J having larger jets. Is this to do with the different air delivery? ( seems to imply the carbs on the j get more air?) I may be wrong but the J seems to be unrestricted from what some people have said. Would it be worth modifying the J joints and ducts to fit and using the jets from my spare rrj ? The speed restriction is already removed by the way.
http://i304.photobucket.com/albums/nn18 ... 04559B.jpg
Cheers for any advice in advance.
Matt
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dunkenb
- Regular Member
- Posts: 560
- Joined: Wed Jun 03, 2009 9:39 pm
- Bike owned: Cbr400rr nc29 type8 NSR250
- Location: West Midlands
Post
by dunkenb » Wed Jan 04, 2012 8:27 pm
Does one go carb side of the frame and the other fairing side??
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mattj92
- Settled in member
- Posts: 31
- Joined: Wed Jul 27, 2011 11:07 pm
- Bike owned: Nc30 build in progress
- Location: Farnborough, Hamphire, Uk
Post
by mattj92 » Wed Jan 04, 2012 8:42 pm
Nope they are each one of a pair. The top is the rrk, the bottom is the rrj. Both sides of each pair are identical apart from being reversed of course. They both attach to the frame just behing the steering on each side. Cheers
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dunkenb
- Regular Member
- Posts: 560
- Joined: Wed Jun 03, 2009 9:39 pm
- Bike owned: Cbr400rr nc29 type8 NSR250
- Location: West Midlands
Post
by dunkenb » Wed Jan 04, 2012 9:39 pm
See you're in farnborough. I went to farnborough tech for 2yrs
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angry_rob
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- Joined: Sun May 16, 2010 11:36 pm
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by angry_rob » Thu Jan 05, 2012 2:39 am
I think I'm right in saying the air ducts are different. IIRC the RRJ has holes in the front of the frame and the RRK doesn't. So the ducts are just for show on an RRK.
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GF Racing
- Site Supporter
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Post
by GF Racing » Sat Jan 07, 2012 1:21 pm
RRJ and RRK air ducts are completely different as is the air box and chassis ....
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mattj92
- Settled in member
- Posts: 31
- Joined: Wed Jul 27, 2011 11:07 pm
- Bike owned: Nc30 build in progress
- Location: Farnborough, Hamphire, Uk
Post
by mattj92 » Sat Jan 07, 2012 11:49 pm
I realised the airbox difference today after fiddling with the J. Seems as if the air ducts do nothing on the J as well. Very confused about the point. I think I should modify the joints to use with the K airbox and I'll be On a winner.
