Koso Heavy Duty Clutch Kit: Honda Grom & Monkey

Maximum Power Transfer: Koso Heavy Duty Clutch Kit Stop power loss at the source with the Koso High-Performance Heavy-Duty Clutch Kit . Specifically engineered for the Honda Grom 125 and Honda Monkey 125 , this kit is the definitive solution for riders experiencing clutch slip after installing intake, exhaust, or big-bore upgrades. By combining high-friction discs with significantly stiffer springs, Koso ensures that every bit of your engine's torque reaches the rear wheel without hesitation. Technical Performance Features 60% Stiffer Clutch Springs: Features six heavy-duty springs that provide a massive increase in axial force, ensuring a rock-solid engagement that standard OEM springs can't match. High-Friction Disc Composition: The five specialized friction pads are manufactured from a premium composite designed to grab harder and dissipate heat faster during aggressive shifting. Eliminates Clutch Slip: Engineered to solve the "spongy" feel of the factory Honda clutch, providing a crisp, tactile engagement point that improves off-the-line acceleration. Precision Manufacturing: Made in Taiwan to Koso’s exacting standards, this kit utilizes four high-quality steel plates to maintain perfect alignment and prevent warping under high-heat conditions. Comprehensive Fitment Guide This performance kit is a direct bolt-on for the Honda 125cc Horizontal Engine platform: Model Year Compatibility Honda Grom 125 (MSX125) 2014 – Present Honda Monkey 125 2019 – Present Technical Specifications Kit Includes: 6 HD Springs, 5 Friction Pads, 4 Steel Plates Spring Rate: +60% over OEM Manufacturer Part: FA623002 Origin: Made in Taiwan Mechanic's Note: If you've installed a cam, a tuner, or a big-bore kit, your stock clutch is likely already slipping under load. Pro Tip: Before installation, soak the new friction discs in fresh 10W-30 or 10W-40 motorcycle oil for at least 15-30 minutes. This ensures the pads are properly lubricated from the first start, preventing premature wear or "chatter." SKU: 128-26 MPN: FA623002 Vendor: Koso