December 9th, 2015, 10:16 PM | #1 |
ninjette.org guru
Name: Al
Location: Orange County, CA
Join Date: Dec 2015 Motorcycle(s): Thruxton R, R6 450 triple, EX300 (sold) Posts: 263
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Race Upper with OEM Lowers?
Is anyone running a fiberglass upper with the OEM lower fairings on the Ninja 300? I read that the stock exhaust can't be used with an enclosed fiberglass lower pan as the cat runs too hot. As I'm just trying to get up to speed, I have no desire to drop another few hundred on a full exhaust.
If you did the mix and match, how did you mount up the OEM lower with its tabs? Did you trim the tabs on the top of the stock lower? Or did you just bolt it up as close as possible, with the tabs on the outside of the fiberglass upper? I have a set of Catalyst fairings on order so I don't bin the expensive OEM fairings next year, and I am trying to plan ahead a little bit. Thanks |
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December 10th, 2015, 04:41 AM | #2 |
ninjette.org sage
Name: Timm
Location: West Seneca, NY
Join Date: Oct 2015 Motorcycle(s): 2006 1050 Speed Triple, 2010 250 Ninja racebike, YZF320RR? Racebike Posts: 556
MOTM - Nov '15
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I don't know any race organization where that would be legal. Your lower has to have oil containment capability. You may be able to apply heat reflective blanket in the affected area of the catalyst lower. I've also riveted a small aluminum patch inside the fairing as well.
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December 10th, 2015, 06:14 AM | #3 | |
ninjette.org guru
Name: Al
Location: Orange County, CA
Join Date: Dec 2015 Motorcycle(s): Thruxton R, R6 450 triple, EX300 (sold) Posts: 263
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But for now, I'd like to keep the kickstand as this bike is just going to be a trackday bike for now. At most, I'd run it in TPM's light club racing series down the road, and they don't require oil containment on the lower. |
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December 15th, 2015, 01:33 AM | #4 | |
ninjette.org sage
Name: Dre
Location: DMV
Join Date: Aug 2009 Motorcycle(s): 2014 Ninja 300, 2008 ZX6, 2011 Ninja 1000 Posts: 622
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To keep the kickstand, you can cut the fairing. Or you can get Hotbodies, which already has the cut out. Good luck with the build. I may see you at one of the TPM events. |
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December 15th, 2015, 10:22 AM | #5 | ||
Slower than you.
Name: toEleven
Location: NoVA
Join Date: Oct 2015 Motorcycle(s): CBR600RR, CB750, EX300 (半蔵) Posts: 667
MOTM - May '16
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DISCLAIMERv1.0: There may be more info on the topic than this forum post. Conduct your own research. If another thread is linked or quoted, go read it yourself. Last futzed with by toEleven; December 15th, 2015 at 10:04 PM. |
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December 15th, 2015, 06:07 PM | #6 | ||
ninjette.org guru
Name: Al
Location: Orange County, CA
Join Date: Dec 2015 Motorcycle(s): Thruxton R, R6 450 triple, EX300 (sold) Posts: 263
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From another person: Quote:
Which I guess leaves me with a second, new question then: Is anyone here running a stock w/ cat midpipe with a lower pan fairing? |
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December 15th, 2015, 06:51 PM | #7 |
Private Joker
Name: Ben
Location: Towson, MD
Join Date: Nov 2012 Motorcycle(s): '99/'01 Ninja 250 "sketchy", '13 Ninja 300 "yoshi", '03 GSXR 600 "merlin" Posts: A lot.
MOTM - Mar '14
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I know one of the guys ran one in the TPM series with the lower pan fairing. Then he got worried about his exhaust dragging on the ground and swapped the whole thing
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December 16th, 2015, 04:06 AM | #8 |
ninjette.org sage
Name: Timm
Location: West Seneca, NY
Join Date: Oct 2015 Motorcycle(s): 2006 1050 Speed Triple, 2010 250 Ninja racebike, YZF320RR? Racebike Posts: 556
MOTM - Nov '15
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Unless you're racing a lower isn't required and at your level there really isn't much to be gained by it (other than looking cooler in pictures )
So why not just leave the lower off the bike and run it like that? Catalytic converters do run very hot and that's going to affect any fairing that gets close to it. The kickstand bracket on a 250 Ninja becomes a major issue that can cause crashes even at relatively mild lean angles. That is why race organizations allow cutting it off. If you have stock suspension it will cause issues sooner than a stiffer racing setup. I realize that this is your streetwise and cutting off the kickstand bracket isn't a viable option. Not trying to scare you, just saying: be aware. Aftermarket fairing-dragging is an issue on many bikes and that again is exacerbated by a soft stock suspension. In thinking about your original idea of attaching an aftermarket lower to the factory upper, two thoughts come to mind: 1st, there's no guarantee that you won't damage the upper in a crash, and 2, the aftermarket companies don't necessarily make the fairing lower where you can easily attach it to the stock fairing upper. This is because factory fairings are typically made from several pieces where aftermarket fairings are usually only two, so locating the separation line of the aftermarket fairing where the factory part lines up with it isn't always practical. |
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December 16th, 2015, 08:55 AM | #9 | ||
ninjette.org guru
Name: Al
Location: Orange County, CA
Join Date: Dec 2015 Motorcycle(s): Thruxton R, R6 450 triple, EX300 (sold) Posts: 263
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It seems like the anecdotal experience for the 300s is that the cat doesn't run hot enough to burn through the fiberglass, but I'd rather play it safe for now. But yes, if it doesn't match up, the backup plan is to just run without a lower. The main plan is always to not crash, and have this all be moot. Haha. |
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