Kawasaki Z125 Forum banner

Yoshimura Z systems now on site!

5083 Views 18 Replies 6 Participants Last post by  mnnthbx
We've been fortunate, in that we've had a pre-production Z system from Yoshimura in hose for a while. I've seen so many of their systems, and I can say with full confidence, this is the most impressive, well laid out exhaust I've ever laid eyes on. The long tapered header not only makes great eye candy, but builds more power with it's lengthened, stepped design.


They're available now at www.mnnthbx.com.

See less See more
  • Like
Reactions: 1
1 - 19 of 19 Posts
Yeah....they make nice stuff. Have you had the air box apart to see if there are any restrictions in there? Also, are the passenger peg mounts part of the frame or they unbolt? Does the bike have an oil filter like the KLX 110?
We've had a high performance intake in the works for several weeks, and much like the Grom, it will build great power. Passenger pegs mounts are welded to the frame. Yes o the filter.
We've had a high performance intake in the works for several weeks, and much like the Grom, it will build great power. Passenger pegs mounts are welded to the frame. Yes o the filter.
Doing your research where are the real restrictions on the little Z you've found so far? It's quite obvious that loosening up the exhaust and binning that absolutely enormous cat under the bike will let the exhaust gasses flow better but whats the intake look like it'll be - is it heavily choked up standard and once both are done is it worth tuning them cost vs. performance wise?

I mean I'm not desperate for or really needing much more power it would just be fun to have if it's worth doing! >:)
We've had a high performance intake in the works for several weeks, and much like the Grom, it will build great power. Passenger pegs mounts are welded to the frame. Yes o the filter.
Great.....thanx
Doing your research where are the real restrictions on the little Z you've found so far? It's quite obvious that loosening up the exhaust and binning that absolutely enormous cat under the bike will let the exhaust gasses flow better but whats the intake look like it'll be - is it heavily choked up standard and once both are done is it worth tuning them cost vs. performance wise?

I mean I'm not desperate for or really needing much more power it would just be fun to have if it's worth doing! >:)
Just like the Grom, it's small plumbing, choked up to run quiet, through a subpar filter. It all works fine on a stock bike, but there's improvement to be had there, particularly when adding a pipe and tuner. We'll have it covered shortly.
  • Like
Reactions: 3
We've been fortunate, in that we've had a pre-production Z system from Yoshimura in hose for a while. I've seen so many of their systems, and I can say with full confidence, this is the most impressive, well laid out exhaust I've ever laid eyes on. The long tapered header not only makes great eye candy, but builds more power with it's lengthened, stepped design.


They're available for pre-order now at www.mnnthbx.com. We should have some of the first stocked units in the US, and will ship the same day they arrive.


Question? I was told by my local dealer the Yosh systems won't be available till the 3rd week of June...any truth to this?
Question? I was told by my local dealer the Yosh systems won't be available till the 3rd week of June...any truth to this?
1st or 2nd week of June it seems...
We just found out we'll have the first units in the country. They're available for order currently at MNNTHBX - Enter and we SHOULD be able to ship late next week!
That is a sweet looking exhaust. The red attachment point will clash with my green bike, LOL. I have a Yosh slip on for my gixxer, well made.
This is the first little bike I've had. With the large bikes, typically a slip on does not require a PowerCommander, only a full system.
Does this full system require mapping with a PowerCommander or Bazzaz, or will it run fine without?
It will run fine without, but optimal with a tuner, which will be available shortly....
Good to know, thanks. Not sure I feel like installing another PowerCommander. Although, I'm sure it would be easier than on my 4 cylinder! But if I do that, then I'll spend $$$$ on a custom tune. Sigh, it never ends, LOL.
Good to know, thanks. Not sure I feel like installing another PowerCommander. Although, I'm sure it would be easier than on my 4 cylinder! But if I do that, then I'll spend $$$$ on a custom tune. Sigh, it never ends, LOL.
We can get both, but prefer the Bazzaz, and will have maps ready to go, so no additional tuning required...
  • Like
Reactions: 2
Mine shipped 05/27. Will be here on 06/02. :)
  • Like
Reactions: 1
Filter and ORing Part Numbers.

Yeah....they make nice stuff. Have you had the air box apart to see if there are any restrictions in there? Also, are the passenger peg mounts part of the frame or they unbolt? Does the bike have an oil filter like the KLX 110?
Kawi Part Numbers for the filter and O-Ring:
Filter - 521010-1053
O Ring - 92055-3018
Exhaust looks sick but i'm waiting on someone to make an intake for these let em' breathe.
Exhaust looks sick but i'm waiting on someone to make an intake for these let em' breathe.
We're almost done with out Z Mtake... 😎
  • Like
Reactions: 1
Ready to ship!
See less See more
  • Like
Reactions: 1
A new load of pipes just landed and are ready to ship. Sorry to those who were waiting....
1 - 19 of 19 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Top