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sapstar |
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sapstar Nova Slayer
Joined: 01 Oct 2019 Karma :
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Posted: 00:18 - 22 Sep 2021 Post subject: New exhaust problems on a Kawasaki ER6-N |
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I have a few posts here seeking help on ad-hoc issues with a new exhaust install on my bike. Now the exhaust is installed and it sounds good. I seem to have quite a few problems and wanted some advise.
1. While riding today I felt like the engine is hotter than usual and I could feel a lot of heat. Am I just being paranoid or, there could be a problem somewhere? Today is a hot day too... Could it be just the weather?
2. I was smelling something burning while I was riding. When I finished my ride, i checked the bike and the belly pan was touching the exhaust headers and unfortunately melted . What are my options here. Does this mean the exhaust wasn't fitted correctly?
3. The muffler and the foot rest are very close like about 2mm apart. When the shocks are compressed, will the foot rest and muffler move down together or the footrest will start pushing the muffler? ____________________ First/Current Bike - Kawasaki ER-6N |
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 00:39 - 22 Sep 2021 Post subject: |
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1) A free breathing exhaust could make the bike engine run more lean. I would expect a modern fuel injected bike to adjust the fuelling cope with this. A lot depends on how sophisticated the injection system is though. So yes, it's possible it could be running hotter.
2) Not an uncommon problem with aftermarket exhausts. Check with the exhaust manufacturer. It's not unusual to have to add spacers under a belly pan or add some heat shielding like silicone matting or carbon fibre sheet between the exhaust and belly pan to prevent damage. The belly pan should not be touching the exhaust. The old EX500 which was the predecessor to your bike was notorious for doing this when fitted with an aftermarket 2-1 exhaust, you had to put three or 4 washers under the rear belly pan mounting to space it away a bit.
3) The footrest and silencer are both attached to the sprung part of the chassis and shouldn't move in relation to one another. In this case, a miss is as good as a mile. Make sure none of the unsprung componants can foul the exhaust at full compression. The rear suspension compresses more than you think, I've seen setups before where something like a rear hugger can hit the silencer on full compression. Also make sure a pillion passenger isn't going to burn their foot. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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sapstar Nova Slayer
Joined: 01 Oct 2019 Karma :
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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MCN |
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MCN Super Spammer
Joined: 22 Jul 2015 Karma :
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Posted: 04:47 - 23 Sep 2021 Post subject: |
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A change of zost may change the engine's Volumetric Efficiency ( ).
If the injection system has an O2 (Lambda) sensor in the pipe in front of the muffler then the computer will map fueling and ignition to suit the air-flow.
If not as sophisticated then there could be issues.
Some zost folks tune their pipes to suit specific engines.
But most decent places recommend additional mapping devices. A box of electronic Jizz-moz that monitors/corrects engine performance. Some fixed some adjustable.
Power Commander is a popular one.
It depends on many factors, you may be ok with a change no difference or it may not add to the overall enjoyment/usability of the beast. ____________________ Disclaimer: The comments above may be predicted text and not necessarily the opinion of MCN. |
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sapstar Nova Slayer
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xX-Alex-Xx |
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xX-Alex-Xx World Chat Champion
Joined: 12 Sep 2019 Karma :
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Fat Angry Scotsman |
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Fat Angry Scotsman World Chat Champion
Joined: 12 Jan 2021 Karma :
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Posted: 10:02 - 23 Sep 2021 Post subject: |
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I have the shorter BW can on my 2009 ER6-F and it cracks and pops on every deceleration and sometimes on acceleration too.
I even did a forum post on here because I thought the fuel economy on my bike was way off, but then I started tracking it on Fuelly and it's average MPG is only a couple points off the average MPG of all tracked bikes of the same year (which is probably because of the can) but it's a trade off for having a brutal sound. Which I like because I really hate my neighbours. ____________________ PRESENT: 2018 BMW S1000XR SE Sport.
PAST: 2009 Kawasaki ER-6F. 2021 Zontes ZT-125U. |
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A100man |
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A100man World Chat Champion
Joined: 19 Aug 2013 Karma :
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Posted: 11:06 - 23 Sep 2021 Post subject: |
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Their pic in the link you supplied shows the belly pan fitted.. If nothing was mentioned in the fitting instructions (e.g. trim here..) I'd be inclined to challenge them about it.
Also..
* No modifications required. (Re-mapping, Power comm+er)
* Accepts original lambda sensor (O2 sensor). ____________________ Now: A100, GT250A, XJ598, FZ750
Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600 |
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xX-Alex-Xx |
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xX-Alex-Xx World Chat Champion
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A100man |
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A100man World Chat Champion
Joined: 19 Aug 2013 Karma :
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Posted: 13:15 - 23 Sep 2021 Post subject: |
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xX-Alex-Xx wrote: | In sales speak, they've made no promises they haven't met. |
..apart from 'no modifications required'*
*if you don't mind burning a hole in the belly pan ____________________ Now: A100, GT250A, XJ598, FZ750
Then: Fizz, RS200, KL250, XJ550, Laverda Alpina, XJ600, FZS600 |
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xX-Alex-Xx World Chat Champion
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sapstar Nova Slayer
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sapstar Nova Slayer
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Pete. |
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Pete. Super Spammer
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Fat Angry Scotsman |
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Fat Angry Scotsman World Chat Champion
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stinkwheel |
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stinkwheel Bovine Proctologist
Joined: 12 Jul 2004 Karma :
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Posted: 11:51 - 24 Sep 2021 Post subject: |
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You may also find you can reposition the system by loosening all the clamps, jiggling it about then re-tightening them in turn.
I usually tighten header, then end can, then any inbetween joints to avoid stresses. ____________________ “Rule one: Always stick around for one more drink. That's when things happen. That's when you find out everything you want to know.”
I did the 2010 Round Britain Rally on my 350 Bullet. 89 landmarks, 3 months, 9,500 miles. |
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sapstar Nova Slayer
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Old Thread Alert!
The last post was made 2 years, 252 days ago. Instead of replying here, would creating a new thread be more useful? |
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