SharkAttak
TY 4 Stroke God
sj said:
it's just seems as though these machines are starting to fall apart to quickly
**sj**
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they have a few issues..some more hassle and expense than others...
I have a question for you metal/welding experts..
is there any way cut off then to weld stainless steel on the end replacing the titanium end?
I have a question for you metal/welding experts..
is there any way cut off then to weld stainless steel on the end replacing the titanium end?
Iceman57
TY 4 Stroke Guru
sj
The ends are not the only place that are cracking on the pipes. Here are a few pix from someone that welded cracks in his pipes near the tunnel mounts.
The ends are not the only place that are cracking on the pipes. Here are a few pix from someone that welded cracks in his pipes near the tunnel mounts.
**sj**
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seems like there should be some vibration dampening at key areas ..
offtopic...how do you like the power commander / ignition module setup?
offtopic...how do you like the power commander / ignition module setup?
berge75
Expert
From what I've seen working on dirt bikes and quads,the ti. headers hold up much better that stainless.
The exhaust needs a joint in the middle of the tunnel,or rite behind the two y pipes. If they would use a joint similar to what they used on a two stroke exhaust with the doughnut and some sort of spring mount it would allow for the flex we're seeing.
The exhaust needs a joint in the middle of the tunnel,or rite behind the two y pipes. If they would use a joint similar to what they used on a two stroke exhaust with the doughnut and some sort of spring mount it would allow for the flex we're seeing.
Iceman57
TY 4 Stroke Guru
sj said:
It's a sweet setup. I really needed to add a lot of fuel down low to compensate for the increased airflow of the Excell. The sled missed real bad do to a lean condition that is now solved with the use of the PCIII. I have combined several maps for the fuel and timing and it now runs real strong.
**sj**
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I agree!
RX1 Yooper
TY 4 Stroke Junkie
y pipe
Christmas Sports still has 2 pipes. 906-387-3409
Christmas Sports still has 2 pipes. 906-387-3409
SharkAttak
TY 4 Stroke God
if Excell does them how much h.p. will we gain?
AIRWOLF
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Frustrated with Yamaha
with Parts being on backorder,,,,,,,,,,,,,,,,,,,,,
Very unacceptable !!
the season is too short
with Parts being on backorder,,,,,,,,,,,,,,,,,,,,,
Very unacceptable !!
the season is too short
**sj**
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I think they've been caught with their pants down on this one...not having a clue there would be this problem
welterracer
TY 4 Stroke God
my Y-pipes are in..
Sled is going to the dealer on monday for the repairs..
Sled is going to the dealer on monday for the repairs..
sledheadgeorge
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I STILL THINK A FLEX JOINT WILL SOLVE THIS PROBLEM. 
BA APEX
Expert
rxwhopper said:
I put ROCKERDAN's write-up plus other mods on a site for easier viewing ----> http://yamahamods.8k.com/ <----
SLEDSTART
VIP Member
Only read a few pages of this thread. This issue is what led me to decide to part my RX. I had about 6800 miles and sled starting backfiring. End result was everything was shot in the doughnut area. Also had a cracked w arm and torn out RA cable (again)
And I wanted an Apex...
So...I love the Apex so far...just broke it in and have 550 miles on her.
My question to you guys is this. Can a BETTER doughnut be made instead of a stainless Y pipe?
Would it not make more sense to make a doughnut that lasts?
I literally had almost NOTHING left in doughnut material on the RX when I tore it apart.
I plan on just changing my doughnuts every 2K as maintenance on the Apex but it would be nice to get a better longer lasting doughnut. Has this been brought up? Everyone seems to focus on a better Y pipe. Don't need it if we can get a better doughnut right?
And I wanted an Apex...
So...I love the Apex so far...just broke it in and have 550 miles on her.
My question to you guys is this. Can a BETTER doughnut be made instead of a stainless Y pipe?
Would it not make more sense to make a doughnut that lasts?
I literally had almost NOTHING left in doughnut material on the RX when I tore it apart.
I plan on just changing my doughnuts every 2K as maintenance on the Apex but it would be nice to get a better longer lasting doughnut. Has this been brought up? Everyone seems to focus on a better Y pipe. Don't need it if we can get a better doughnut right?
