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K-Pipe

  1. #1
    Angry Gumball RandyO's Avatar
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    K-Pipe


    anyone have one, I was at RMS yesterday, and they has a like new used one for cheap $$

    125cc biggest drawback is they are carburated


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    RandyO
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  2. #2
    Lifer
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    Re: K-Pipe

    How much is it? I paid 1400 for mine online, delivered to my house. Ive been riding the shit out of it. I bought it to do the mongol rally but those plans fell apart. I just use it to get into central london which it excels at once im off the highway. Currently its gettting about 120mpg mixed use, 150mpg if i keep the revs down on slower roads. Thats with mods though. It originally got about 100mpg. I built it to handle the vastness on mongolia which means minimal fuel stations.
    Goes good but struggles to do 65. Oem spec saw maybe 60. 58 i think was published top speed. It was geared pretty low so i went up 1 in the front and the bike is far more useable now.
    Other than the typical chinese problems of bolts falling out and dodgy electrics the only thing i have had issues with is the motor has been eating rings. I think its mostly to do with me hitting the highway and pinning the throttle for nearly 50 miles every day. I seriously never get off wot. Ive done about 16k on it and i am on my second set of rings which need replacing now. Ive ordered a big bore kit to see if that helps which i wasnt going to do as it makes the bike not legal for the mongol rally but that doesnt matter now.

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  3. #3
    Lifer
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    Re: K-Pipe

    Oh, and you can get the fi bike here but its worse. Loses a couple hp ie speed. Think carb is rocking 13 or 14 hp and fi is 11hp. Carb is better in every way.

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  4. #4
    Kosher Assassin Stoneman's Avatar
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    Re: K-Pipe

    I seem to remember seeing one of the online motorags doing a comparo with these (and other Taiwan/Chinese models) to the Grom & the Z125.

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  5. #5
    Lifer Kurlon's Avatar
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    Re: K-Pipe

    Iron bore, or is it nikasil? If not coated, consider a mild bore kit based around a coated cylinder and that should improve your ring life.

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  6. #6
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    Quote Originally Posted by boosten lebaron View Post
    How much is it? I paid 1400 for mine online, delivered to my house.
    The dealer has a $1500 price tag, but I suspect I can get it for less, I was actually thinking of bartering, as I am currently working on a project for the owner

    my first bike was a Honda Super 90, and 2nd was a Honda CB125S. similar specs to the old CB I owned, 65 was about my top speed iirc and I got 100-125 mpg, I wouldn't be using it for commuting as I am now retired, nor would I use it on highway or primary roads, just back roads, running local errands, or going on rides with my GF, she would be riding her scooter

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    RandyO
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  7. #7
    Lifer ilikenapalm's Avatar
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    Re: K-Pipe

    Quote Originally Posted by Stoneman View Post
    I seem to remember seeing one of the online motorags doing a comparo with these (and other Taiwan/Chinese models) to the Grom & the Z125.
    It was this one I think: https://www.motorcycle.com/shoot-out...-biters-part-1

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  8. #8
    Lifer
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    Re: K-Pipe

    Quote Originally Posted by RandyO View Post
    The dealer has a $1500 price tag, but I suspect I can get it for less, I was actually thinking of bartering, as I am currently working on a project for the owner

    my first bike was a Honda Super 90, and 2nd was a Honda CB125S. similar specs to the old CB I owned, 65 was about my top speed iirc and I got 100-125 mpg, I wouldn't be using it for commuting as I am now retired, nor would I use it on highway or primary roads, just back roads, running local errands, or going on rides with my GF, she would be riding her scooter
    It should be fine then. It's pretty happy up until about 50mph. 1st gear is super low so you may want to regear. I was told it was geared that way because in China they put the entire family on them at once so they needed the granny gear to get rolling. They can do with a rejet right away too. My stock chain lasted about 1000 miles before it stretched itself past the adjustment range so get a decent one thrown on.

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  9. #9
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    Quote Originally Posted by boosten lebaron View Post
    It should be fine then. It's pretty happy up until about 50mph. 1st gear is super low so you may want to regear. I was told it was geared that way because in China they put the entire family on them at once so they needed the granny gear to get rolling. They can do with a rejet right away too. My stock chain lasted about 1000 miles before it stretched itself past the adjustment range so get a decent one thrown on.
    is it true what I read, no clutch needed to go from N-1, just click in gear, twist throttle

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    RandyO
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  10. #10
    Kosher Assassin Stoneman's Avatar
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    Re: K-Pipe

    Quote Originally Posted by ilikenapalm View Post
    Could be. My memory is shot these days.

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  11. #11
    Lifer ilikenapalm's Avatar
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    Re: K-Pipe

    I think a few different magazines did "shoot outs" with the 125s.

    As an owner of a Grom, I can say it's a hoot to ride, but it does lose its fun factor after a little while. Definitely great to have in the garage for the novelty of "I'm gonna go blast around town to the sandwich shop," but not something I'd consider keeping if I had actual responsibilities. Though if I had a commute that was all backroads, I'd be all about commuting on the thing for sure.

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  12. #12
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    Re: K-Pipe

    Quote Originally Posted by boosten lebaron View Post
    It should be fine then. It's pretty happy up until about 50mph. 1st gear is super low so you may want to regear. I was told it was geared that way because in China they put the entire family on them at once so they needed the granny gear to get rolling. They can do with a rejet right away too. My stock chain lasted about 1000 miles before it stretched itself past the adjustment range so get a decent one thrown on.
    As far as I know and have seen, no one in China has ever, in their 12,000 year history, used first gear.

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  13. #13
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    Quote Originally Posted by ilikenapalm View Post
    I think a few different magazines did "shoot outs" with the 125s.

    As an owner of a Grom, I can say it's a hoot to ride, but it does lose its fun factor after a little while. Definitely great to have in the garage for the novelty of "I'm gonna go blast around town to the sandwich shop," but not something I'd consider keeping if I had actual responsibilities. Though if I had a commute that was all backroads, I'd be all about commuting on the thing for sure.
    being retired, commuting is not even a consideration, and wouldn't have been anyway, my commute was a 75ft walk. My V-strom is all decked out with luggage, hasta weigh over 600, too much vehicle to make a 5 mile round trip post office or bank run, it's capable of keeping up with traffic anywhere I'd go with it, 100mpg ? it surely won't chew thru tires like my V-strom

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    RandyO
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  14. #14
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    I stopped by the dealer last Friday to check progress on my V-strom, and speak with the owner about a project I am working on for him. As I walked by the K-pipe, I noticed the key was left on, battery deader than a fart. BUT, one kick on the kick starter, and it was running, so quiet, you could barely hear it. I would compare the noise output to that of a Honda 1000w inverter/generator.

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    RandyO
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  15. #15
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    the K-Pipe is mine, dealer will deliver it to mu house today, along with my V-strom all repaired and ready to ride

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    RandyO
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  16. #16
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    Quote Originally Posted by boosten lebaron View Post
    How much is it? I paid 1400 for mine online, delivered to my house.
    Quote Originally Posted by RandyO View Post
    The dealer has a $1500 price tag, but I suspect I can get it for less, I was actually thinking of bartering, as I am currently working on a project for the owner
    ended up getting it for $1000, with new battery, and a battery tender, and temp plates

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    RandyO
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  17. #17
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    K-Pipe-img_2159-1-jpgK-Pipe-img_2160-1-jpg

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    RandyO
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  18. #18
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    58mph

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    RandyO
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  19. #19
    Lifer
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    Re: K-Pipe

    I put the big bore kit on mine. It wasnt a smooth process. The kit needed some help to fit so they are not going to be selling them again. It was from chinese company. I had to make a new thicker base gasket and machine a bit of the head for the oil control seal.
    I will say after it was all done it's how the bike should have come from new. Stock mine did about 56ish with my fat ass on it. After mods I was up to about 65 most times but it could do 70 if I bounced it off the redline long enough. Now I dont know how fast it is. Does 70 easy now but redline stops it from going faster. I'm going to regear it again just to get the revs down. 70 is enough speed for me, just want to cruise a bit better.

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  20. #20
    Lifer
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    Re: K-Pipe

    I put the big bore kit on mine. It wasnt a smooth process. The kit needed some help to fit so they are not going to be selling them again. It was from chinese company. I had to make a new thicker base gasket and machine a bit of the head for the oil control seal.
    I will say after it was all done it's how the bike should have come from new. Stock mine did about 56ish with my fat ass on it. After mods I was up to about 65 most times but it could do 70 if I bounced it off the redline long enough. Now I dont know how fast it is. Does 70 easy now but redline stops it from going faster. I'm going to regear it again just to get the revs down. 70 is enough speed for me, just want to cruise a bit better.

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  21. #21
    Lifer Stromper's Avatar
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    Re: K-Pipe

    Boosten I suggest you try the Motul Ester based oil
    Only oil with REAL SYNTHETIC left in USA

    I hear German synthetics must be real group 4 oil but not in USA

    My son has a taotao 50cc scooter, they don't bother with jets just buy a whole different carburetor for $19
    Probably possible for these too

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  22. #22
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    Quote Originally Posted by Stromper View Post

    My son has a taotao 50cc scooter, they don't bother with jets just buy a whole different carburetor for $19
    Probably possible for these too
    when I bought my little backhoe that has the Honda GX160 motor, the jets got clogged with 3 year old gummy residue, I took it to my dealer to service it, I assumed a carb rebuild, nope, a Genuine Honda rebuild kit cost more than a Genuine Honda Carb $26 and change, the only PIA was that the carb model # was on the side facing the motor, had to take it off, just to get the number to order a new one. Same motor, different applications use different carbs, mine runs a hydraulic pump at constant speed

    hardly anyone fucks with carbs anymore

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    RandyO
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  23. #23
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    Quote Originally Posted by boosten lebaron View Post
    I put the big bore kit on mine. It wasnt a smooth process. The kit needed some help to fit so they are not going to be selling them again. It was from chinese company. I had to make a new thicker base gasket and machine a bit of the head for the oil control seal.
    I will say after it was all done it's how the bike should have come from new. Stock mine did about 56ish with my fat ass on it. After mods I was up to about 65 most times but it could do 70 if I bounced it off the redline long enough. Now I dont know how fast it is. Does 70 easy now but redline stops it from going faster. I'm going to regear it again just to get the revs down. 70 is enough speed for me, just want to cruise a bit better.
    I went for a little longer ride today, doesn't take much of a headwind to knock the top speed down to 45 or less. I plan on staying on 35mph speed limit roads anyway. when I kept to the winding sheltered back roads, easy to maintain 35mph in 3rd gear about half throttle, you don't even have to think about slowing for corners.

    BUT absolutely zero wind protection, it was chilly, after, I went for a ride on my V-strom, first time in 2 years, even though I was goin at greater speeds, it has some wind protection, and the temp, was comfortable

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    RandyO
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  24. #24
    Angry Gumball RandyO's Avatar
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    Re: K-Pipe

    surprising how well the engine does as the hills get steeper, you slow down for sure, and downshifting doesn't help keep speed up, the motor doesn't even hiccup when you lug it down

    for the most part, quarter throttle will cruise along at 45mph, pinning it doesn't get you much more, just a slow acceleration, and it seems to be just as happy at 28mph in top gear, as it does at 55mph

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    RandyO
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  25. #25
    Lifer Kurlon's Avatar
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    Re: K-Pipe

    Low lift, low duration cam plus a tiny intake and small carb makes for a torquey machine that is choked off on top. You can play with things to shift the power curve north, but I wouldn't bother if you're happy with it as is.

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