Umatek Powerbloc 80 Driven Pulley | Yamaha SX, VMAX 500 (1994-2001), VMAX 600 (1994-) Cap S (dual exhaust venting system)

S (dual exhaust venting system) top and rear vents reduce temperature by allowing hot air to escape from the top of the helmet

All impact pads are removable for cleaning

Designed for the WS250 in collaboration with Cycra

Removable / adjustable hood

Umatek Powerbloc 80 Driven Pulley | Yamaha SX, VMAX 500 (1994-2001), VMAX 600 (1994-) Cap S (dual exhaust venting system)Umatek Powerbloc 80 Driven Pulley Yamaha SX, VMAX 500 (1994 2001), VMAX 600 (1994 ) The Powerbloc 80 is the latest driver pulley designed by CVTech. This pulley as been developed to offer an alternative to snowmobilers who want maximum performance and are tired of wasting time and money on maintenance of their original pulley.