400ex rear baffle and spark arrester chrome bolt on thing
#1
09-01-2000, 05:25 PM
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#4
09-01-2000, 09:55 PM
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#6
09-02-2000, 01:05 AM
Quit telling him to re-jet! It won't hurt to ride it the way it is w/o the spark arrestor in. Due to the internal baffle it won't flow that much more air.
4-strokes are not as sensitive about jetting a 2-strokes are. Some of you guys worry that every little tiny change, you'll have to re-jet! Don't worry so much. You'll know if it's jetted wrong.
4-strokes are not as sensitive about jetting a 2-strokes are. Some of you guys worry that every little tiny change, you'll have to re-jet! Don't worry so much. You'll know if it's jetted wrong.
#7
09-02-2000, 01:07 AM
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#8
09-02-2000, 01:44 AM
400exrydr you are right partly...4-strokes are just as picky about jetting...if your running lean you still burning up your engine...and you going to have a boggy engine...the only difference is you will make it 50 hours on a 4-stroke running lean besides 5 hours on a 2-stroke running lean...and yes he does need to rejet
#9
09-02-2000, 02:01 AM
Don't take the spark arrestor out, personally I think the 400EX sounds like crap with the stock pipe sans the spark arrestor & quiet core, very loud and raspy, sounds like an old blown out glasspack.
Also, although the risk of actually starting a fire is minimal, it can blow flames out the back of the pipe, especially if jetted a little on the rich side.
It is also irresponsible, for the absolutely miniscule amount of power that *might* be gained, to unnecessarily bring negative attention to yourself and our sport in these days of losing riding areas is just plain selfish and not smart. Keep in mind this is coming from a person that absolutely loves a good exhaust note and has been known to go out of his way to listen to a cool vehicle or ride. Just think of what those that are not quite as enthuasistic about motorsports are thinking when they hear your uncorked bike.
Also, although the risk of actually starting a fire is minimal, it can blow flames out the back of the pipe, especially if jetted a little on the rich side.
It is also irresponsible, for the absolutely miniscule amount of power that *might* be gained, to unnecessarily bring negative attention to yourself and our sport in these days of losing riding areas is just plain selfish and not smart. Keep in mind this is coming from a person that absolutely loves a good exhaust note and has been known to go out of his way to listen to a cool vehicle or ride. Just think of what those that are not quite as enthuasistic about motorsports are thinking when they hear your uncorked bike.
#10
09-02-2000, 10:38 AM
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gabe i feel ya,
but i never rode it anywhere besides my backyard without it, and i don't hear any differance between a 400ex with a white bros pipe, and mine without the baffle. So it is ok to have a loud quad with a white bros pipe? but not one that is just as loud without a baffle??
PS: gabe are you fench??? cuz sans means without in french... just wondering
but i never rode it anywhere besides my backyard without it, and i don't hear any differance between a 400ex with a white bros pipe, and mine without the baffle. So it is ok to have a loud quad with a white bros pipe? but not one that is just as loud without a baffle??
PS: gabe are you fench??? cuz sans means without in french... just wondering