DHM S1 Gen 2 Camshaft for 2022+ Honda Grom/Monkey/Dax

DHM S1 Generation 2 Camshaft for 2022+ Honda Grom, Monkey and Dax

The DHM S1 Gen 2 camshaft is designed to improve power across the rev range on stock bore and big bore builds using stock valves. Developed after testing multiple cam profiles, it combines maximum lift for the stock valves with a rideable duration for usable power throughout the RPM range.

Performance and installation

• Highest possible lift with stock valves.
• Power gains across the entire rev range.
• DHM reports an additional 1–2 hp compared with a bike equipped only with an intake and exhaust.
• Direct drop-in installation.

Generation 2 updates

• Removable big bearing for easier installation.
• Adjusted duration to improve tip-in response and idle noise.
• Stronger heat treatment for increased durability.

Fitment and specifications

• Application: 2022+ Honda Grom / Monkey / Dax, as listed by DHM.
• Engine setup: stock bore or big bore with stock valves.
• Valve clearance: .005” intake / .005” exhaust.
• SKU: CS-001.

ECU tune required

A tune is required to run this camshaft. Pair it with the DHM ECU flash, or choose the aRacer Mini X ECU if you prefer to do the tuning yourself.

Installation video

Review video