Exhaust clearance issues?

bitaria · September 5th, 2014, 08:38 AM

I'm running a Yoshimura tri-oval can / full exhaust, seems to sit higher than the stock can. It's dragging...
Is this common for other brands (Leo, Area P)?

p.s. suspension is set to be a bit taller in the back, a few mm above stock with GSXR shock conversion, front has emulators / oil etc.

csmith12 · September 5th, 2014, 08:52 AM

I have the AreaP race system, the only time it will drag is when I am crashing. lol It's been my experience that most race oriented systems will not drag.

Can you post a pic of yours?

bitaria · September 5th, 2014, 08:56 AM

Quote:

Originally Posted by csmith12

I have the AreaP race system, the only time it will drag is when I am crashing. lol It's been my experience that most race oriented systems will not drag.

Can you post a pic of yours?

csmith12 · September 5th, 2014, 09:05 AM

Wow, that is pretty low. You need to get that mounted up higher, heck it don't look any higher than the stock can. You sure that is a full system on not just a slip-on?

Oh and the Zombie bus is awesome!

bitaria · September 5th, 2014, 09:08 AM

Quote:

Originally Posted by csmith12

Wow, that is pretty low. You need to get that mounted up higher, heck it don't look any higher than the stock can. You sure that is a full system on not just a slip-on?

Oh and the Zombie bus is awesome!

Yes, very sure. I installed it

I'm not sure if I can move it up without getting a new system, so I suppose that's a distinct possibility.

b.miller123 · September 6th, 2014, 11:16 PM

What size tire are you running? That will also change your clearance. So will adding that slider. The shock swap will help if the spring is stiffer or if it is longer, but neither of those will be enough to overcome the weight of the rider if they are a fat ass.

I'd check that exhaust hanger against the stock one and see if it is sitting lower.

bitaria · September 7th, 2014, 07:44 AM

Quote:

Originally Posted by b.miller123

What size tire are you running? That will also change your clearance. So will adding that slider. The shock swap will help if the spring is stiffer or if it is longer, but neither of those will be enough to overcome the weight of the rider if they are a fat ass.

I'd check that exhaust hanger against the stock one and see if it is sitting lower.

Tires are 140/110 Pirelli rosso 2/supercorsa back/front. Its a pretty standard combo. The shock is a revalved gsxr unit with proper springs for my weight. Bike handles very well, so I'm hesitant to mess with geometry. Maybe a different midpipe and hanger will do the trick.

P.s. my ass is 170lb so not too bad for 6' tall dude.

csmith12 · September 7th, 2014, 08:09 AM

Quote:

Originally Posted by bitaria

Tires are 140/110 Pirelli rosso 2/supercorsa back/front. Its a pretty standard combo. The shock is a revalved gsxr unit with proper springs for my weight. Bike handles very well, so I'm hesitant to mess with geometry. Maybe a different midpipe and hanger will do the trick.

P.s. my ass is 170lb so not too bad for 6' tall dude.

Your setup/weight/height is similar to mine, you just simply gotta get it mounted higher mang.

psych0hans · September 7th, 2014, 08:11 AM

Quote:

Originally Posted by bitaria

Tires are 140/110 Pirelli rosso 2/supercorsa back/front. Its a pretty standard combo. The shock is a revalved gsxr unit with proper springs for my weight. Bike handles very well, so I'm hesitant to mess with geometry. Maybe a different midpipe and hanger will do the trick.

P.s. my ass is 170lb so not too bad for 6' tall dude.

If you're using a gsxr shock without using custom dog bones, it immediately means your bike is considerably lower than stock. Either change your shock or use shorter dogbones to raise the rear. Good luck!

cuong-nutz · September 7th, 2014, 08:25 AM

What Hans said^^^ but I assumed that it was corrected when he said he was running the rear higher than stock.

bitaria · September 8th, 2014, 10:52 AM

Quote:

Originally Posted by cuong-nutz

What Hans said^^^ but I assumed that it was corrected when he said he was running the rear higher than stock.

I have shorter dogbones installed. If the shock was ride height adjustable I may have tried to tweak that, I may cut some even shorter linkage bits or get high mount pipe.

alex.s · September 8th, 2014, 11:17 AM

i have that trioval yoshi in SS. it does drag early compared to other exhausts. if you get a smaller bracket you can raise it up an inch or so with the pipe clamps the way they are. the high mount areaP seems to have the best clearance out side of a shorty no-can.

psych0hans · September 8th, 2014, 01:09 PM

Quote:

Originally Posted by cuong-nutz

What Hans said^^^ but I assumed that it was corrected when he said he was running the rear higher than stock.

I guess I missed reading that... Lol my bad

September 5th, 2014, 08:38 AM	#1
bitaria ninjette.org member Name: Oleg Location: Seattle WA Join Date: Aug 2013 Motorcycle(s): CRF450X, CRF250R/SM, Husky 630 SMS, Ninja 250R Posts: 144	Exhaust clearance issues? I'm running a Yoshimura tri-oval can / full exhaust, seems to sit higher than the stock can. It's dragging... Is this common for other brands (Leo, Area P)? p.s. suspension is set to be a bit taller in the back, a few mm above stock with GSXR shock conversion, front has emulators / oil etc.

September 5th, 2014, 08:52 AM	#2
csmith12 The Corner Whisperer Name: Chris (aka Reactor) Location: Northern KY Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much. MOTY 2015, MOTM - Nov '12, Nov '13	I have the AreaP race system, the only time it will drag is when I am crashing. lol It's been my experience that most race oriented systems will not drag. Can you post a pic of yours? __________________________________________________ Goal: Shake A Million Hands \| Look through the corners \| Track Day Prep \| Closest track? \| The Mid-Ohio School

September 5th, 2014, 09:05 AM	#4
csmith12 The Corner Whisperer Name: Chris (aka Reactor) Location: Northern KY Join Date: May 2011 Motorcycle(s): 2010 250 (track), 1992 250, 2006 R6 (street/track), 2008 R6 (track) Posts: Too much. MOTY 2015, MOTM - Nov '12, Nov '13	Wow, that is pretty low. You need to get that mounted up higher, heck it don't look any higher than the stock can. You sure that is a full system on not just a slip-on? Oh and the Zombie bus is awesome! __________________________________________________ Goal: Shake A Million Hands \| Look through the corners \| Track Day Prep \| Closest track? \| The Mid-Ohio School

September 7th, 2014, 08:25 AM	#10
cuong-nutz RIP Alex Name: Cuong Location: Houston, TX Join Date: Apr 2011 Motorcycle(s): '10 250r, '09 265r Posts: A lot. Blog Entries: 2	What Hans said^^^ but I assumed that it was corrected when he said he was running the rear higher than stock. __________________________________________________ HalfFast Racing Team Serving Greater Houston Area Riders:WFO Riders MotoHouston HPC CMRA Ride Smart Fastline Lone Star Track Days

September 8th, 2014, 11:17 AM	#12
alex.s wat Name: wat Location: tustin/long beach Join Date: Sep 2009 Motorcycle(s): wat Posts: Too much. Blog Entries: 5 MOTM - Oct '12, Feb '14	i have that trioval yoshi in SS. it does drag early compared to other exhausts. if you get a smaller bracket you can raise it up an inch or so with the pipe clamps the way they are. the high mount areaP seems to have the best clearance out side of a shorty no-can. __________________________________________________

September 6th, 2014, 11:16 PM	#6
b.miller123 ninjette.org member Name: Brett Location: Everett, WA Join Date: Jun 2012 Motorcycle(s): 1998 Ninja 250 2007 Yamaha R6 2003 Honda RC51... sold :( Posts: 205	What size tire are you running? That will also change your clearance. So will adding that slider. The shock swap will help if the spring is stiffer or if it is longer, but neither of those will be enough to overcome the weight of the rider if they are a fat ass. I'd check that exhaust hanger against the stock one and see if it is sitting lower.

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