We are proud to introduce the first "all inclusive" big bore package for the Honda Grom!The DHM 186 kit includes everything you need to convert your Honda Grom in to a big bore machine. You no longer have to piece ...

This service is for customers who already own a 186cc 2v big bore kit and are looking for a tuning solution. This reflash makes 14.5 ft/lbs of torque and 16.5hp when paired with the 186cc kit and an upgraded intake ...

DH Motoring Stock Bore Racing Piston (Gen 2)The DHM Race-spec stock bore piston has produced more HP than any other stock bore kit and is the highest compression stock bore piston on the market. It has a high compression dome ...

***Update 6-3-24, The Decha HR camshaft has been added as an option. It provides the same gains as a TB or DCR R2 but with a different lobe design that is not as noisy due to a larger base circle ...

DH Motoring is excited to announce that after a year of development, our titanium axle and swingarm bolt kit is finally in production! All shafts and nuts are manufactured from Grade 5 6al-4v titanium for high strength and low weight. ...

**Mail-in ECU turnaround time is only 1-2 business days! ***Once you've completed checkout, you will receive the shipping info as well as a link to a form so you can list your exact modifications. Each tune is tailored to your ...

The DH Motoring Stage 3 Package includes the following: DHM ECU Flash DHM High Compression Stock Bore Piston TB Camshaft or Decha HR Camshaft NGK CR9E Spark plug with spacer Combined with your aftermarket intake and exhaust, this is the ...

This is the Upgrade kit for existing DHM customers! You MUST send in your previously flashed DHM ecu. If you send in a virgin ECU you will be charged at the full kit price, not the upgrade price. If you ...

The DH Motoring Stock Airbox Mod Kit will allow you to maintain your stock airbox but with the flow of an aftermarket intake! This is perfect for sleeper builds or for offroad riders that want the protection of a sealed ...

If you currently own a DHM flashed ECU and need to have it updated for different modifications, you're in the right place! Select the drop down box for the mods you require and then checkout as usual. You'll receive a ...

NGK CR9E Spark plug and spacer that is required when using our high compression stock bore piston kit (2014-2020). The 2022+ models do not require the spacer to be used.

.Looking for an additional crankcase vent for your Honda Grom/Monkey, but don't want to give up your cool looking aftermarket cam cover? This is your solution!Designed to be leak proof and stand the test of time, the AvailMS Cam Cover ...

After testing multiple different variations of cams for the 2022 Grom, we've settled on this setup for stock bore and big bore bikes. We have maximized the lift using the stock valves and combined that with a very rideable duration ...

We were the first to flash the 2022 model Grom / Monkey back in 2021 and have since made significant progress dialing in our tunes for this platform. With extensive dyno and track testing you can expect nothing but the ...

Chimera has built a reputable name when it comes to intake systems for the Honda Grom! Now available for the 2022 Grom, the Chimera intake deletes the factory airbox and opens up the intake path for increased performance across the ...

JT Sprockets is the world’s leading brand of sprockets for motorcycles and ATVs. Using only the finest raw materials and using cutting edge technology in their production, our range gives you the ultimate in replacement sprockets at unbeatable value.

**Professional install is highly recommended. Ring gaps must be set, and base gaskets must be installed properly. Setup sheet is included and can be viewed HERE.DH Motoring Stock Bore Racing Piston (2022+ Grom / Monkey)We've now produced the first high ...

If your 2022-2025 Grom/Monkey/Dax already has an intake and exhaust, this is the next step!We've created a camshaft package that allows you to add our S1 camshaft and our DHM Reflash to your bike. This will add as much as ...

**Professional install is highly recommended. Ring gaps must be set, and base gaskets must be installed properly. Setup sheet is included. The DH Motoring Stage 3 Package includes the following: DHM ECU Flash DHM High Compression Stock Bore Piston DHM ...

The aRacer AF2 Wideband Module can be used in conjunction with your aRacer Mini5 or Super RC2 ECU in order to provide autotuning capability! aRacer AF2 Professional Wideband O2 AFR Module now comes included with a Bosch LSU 4.9 wideband ...

ARacer RCmini X is a Complete engine management system that allows you to make all adjustments via wifi to your smartphone/tablet. Pair this up with the correct fuel injector size and you could easily tune your engine to run. Tuning ...

Our second generation 149cc kit is now ready to go! We've made a few updates to make the install process easier and more simplified. We've also eliminated any potential clearance issues and streamlined the manufacturing process even further to help ...

Chimera Engineering Short ram air intake system for 2nd generation 2022+ Honda Monkey 125! Direct bolt-on intake system that will allow your 5-Speed Monkey 125 to breathe! Built-in air snorkel that will help increase airflow! Chimera Short Ram Intake retains ...

Decha Performance Intake Tube for the 2022-2024 Honda Grom Stock Airbox 38mm internal diameter OEM hose ribbed synthetic hose material Fits stock airbox (requires airbox modification Two airbox notches, one fits the 2022+ Honda Grom, and the other fits the ...