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Lightened Primary for Kawasaki Z125 Pro

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$66.99
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About Lightened Primary for Kawasaki Z125 Pro
Our lightened primary for the Kawasaki Z125 will greatly enhance throttle response and acceleration dramatically. Drop rotational mass from 2.4lbs to just .5lbs. Easy install under the clutch cover.
Reviews

6 reviews for Lightened Primary for Kawasaki Z125 Pro

  • doroyce05 (verified owner) –

    Well worth the price and work. This mod shaves off rotational mass on a motor that doesn’t have that much power, to begin with. The install is not that hard but an impact gun was really useful even if it is a weak one (over 100 lb/s) impact gun.

  • Justin (verified owner) –

    Great value for better throttle response and a quicker acceleration through the mid range. Installation is a piece of cake. Get one. You’ll be glad you did.

  • Mike –

    So happy products like these are available. Really love how snappy the throttle is and paired with the HD clutch, really changes the feel of this little bike.

  • Louis Journett III (verified owner) –

    So happy with purchase. Fast and easy install. Added Hd clutch and made difference in responsiveness.

  • Matt (verified owner) –

    Does exactly what others say it does. But it also has a 50/50 chance of making a whining sound like an old ford power steering pump. It’s loud. So loud you easily hear it over the hindle exhaust, which is obscenely loud. it also makes it very easy to stall the bike. Wish they made a middleweight primary. Between stock and this one. I can deal with the stalls since I know the bike, but I think I’m going to put the stock one back in. The sound is just too loud.

    • kevin estep –

      You’ll adapt to the clutch work required in a very short time. The whining is personal to each owner, but most enjoy the sound. Regardless, hope your enjoy the added snap.

  • Craig Davies (verified owner) –

    Everything feels lighter, engine doesn’t struggle to rev. No problem with stalling on take off. A bit of a whining noise a until break in with clutch gears but barely noticeable after 100 miles or so. Would recommend…

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