KOSO Heavy Duty Clutch Kit with Springs for Honda Grom Monkey 125 (2014-2020)! This is a complete clutch upgrade package with 60% stiffer clutch springs!KOSO Heavy Duty Clutch Kit with...
Koso’s High-flow oil pump for 2014-2020 Honda GROM and 2018-2021 Honda Monkey 125® is strongly recommended for those who want to increase oil flow for engine protection, a great upgrade...
Koso Honda Grom 125 (ALL YEARS) Throttle Body Screw - Brass Replace the stock air screw on your throttle body with this high precision brass model. Made 100% from brass,...
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLESKoso 34mm Throttle Body for Honda Grom 125! Super large throttle body that will allow your big...
Koso 30.5-34mm intake manifold for 2014-2020 Honda Grom 125! Pair this up with Koso 34mm large throttle body that will allow your big bore engine to breathe! Requires 30.5-34mm throttle...
KOSO 170cc Gasket Kit 61mm for Honda Grom 125KOSO 61mm Cylinder Head Gasket and Cylinder Base Gasket for the Honda Grom.Includes 1 Head Gasket and 1 Base GasketThis product is...
Koso's high performance ignition coils are designed using the most advanced materials on the market today. The stronger spark generated by the Koso ignition coil results in more horsepower, smoother...
As the throttle body and intake manifold are used to control the amount of air flowing to the engine's combustion chamber, they are important elements of the intake system. Using...
KOSO High Flow Injector for Honda Grom 125. Direct fit upgrade for Honda MSX Grom 125 with 170cc Big Bore Engines.NOT AVAILABLE FOR SALE OR USE IN CALIFORNIA.ANY ORDERS FROM...
KOSO Injector Adapter Kit for 2014-2020 Honda Grom 125.This adapter is needed when you run the Koso Fuel Injector Part # (KOSO-1019)NOT AVAILABLE FOR SALE OR USE IN CALIFORNIA.ANY ORDERS...
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION-CONTROLLED MOTOR VEHICLES170cc Big Bore kit with 4 Valve Cylinder Head kit for (2014-2020) Honda Grom MSX 125 and (2018-2021)...
KOSO 4 Valve Big Bore Piston and Rings ONLY Honda Grom 125 (Cylinder is NOT included)Replacement 4 Valve Piston and Rings for the KOSO 170cc 61mm bore. No cylinder is...
The main difference between the Koso Clutch Enhanced Lifter Plate and the stock one is it's strength. Koso's CNC Lifter Plate is stronger in order to provide better durability and...
KOSO 61mm Replacement Forged Piston Kit 2 Valve Head - Honda Grom 125 NOT AVAILABLE FOR SALE OR USE IN CALIFORNIA. ANY ORDERS FROM CA RESIDENCE WILL BE CANCELLED...
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLESThe KOSO 4V Cylinder Head Kit for the 2014-2020 Honda Grom and 2019-2021 Honda Monkey is the...
Quite often, your hands would take the most beating when it comes to riding during the winter season or in cold weather! Having heated grips not only gives you comfort,...
Koso Electro LED Turn SignalsSold in Pairs.Koso Electro LED Turn Signals The Koso Electro LED indicator is a great addition to any bike regardless of the make or style. The...
Want better performance with a simple change? Using the Hurricane racing air filter will increase the airflow, improve filtering efficiency and raise the engine output performance. The Hurricane racing air...
KOSO 4 Valve Head Replacement Rocker Arms - Honda Grom MSX 125 NOTES: Professional installation is highly recommended! Disclaimer: NO WARRANTY ON RACE ENGINE parts or engine bore...
Koso DL-03A Air/Fuel Wideband Gauge Meter12 Ft Cable.Koso DL-03A | Air/Fuel ratio & RPM data loggerThe DL-03A is the newest addition into our lineup of multifunction meters which features air...
KOSO Gear Indicator Bracket for Honda Grom 125Gear Indicator Bracket for Honda GROM 125Included Items:(1) Chrome bracket(1) Bar clamp with rubber insert(1) 6mm-1.0 x 18mm socket head bolt(1) 6mm-1.00 serrated...