The Mikuni TM42-6 HSR flows 17CFM more than the TM40-6 and incorporates many upgraded features such as a roller-bearing slide.

All this means going even faster has never been so easy, say goodbye to hard starting, hesitations and flat spots. 

These Mikuni carburetors are correctly sized and easily fitted to your Suzuki DR650 stock air box when using the silver anodized air-box adapter. This adapter is fitted prior to delivery when purchasing complete kits, includes provisions to install your existing choke cable.