MULTIVAR 2000 MHR Drr DRX 90 2T

MULTIVAR 2000 MHR

Innovative features of the new MULTIVAR 2000 MHR speed variators

•  Sliding rails with a new profile
•  New HTROLL rolls
•  Equipped with two roll sets with varying basic weight
• Steel-alloy hub with hard cadmium insert on the sliding surface, both ground and lapped
• A wide selection of HTROLL rolls with different basic weights is available for optimal set-up

As to versions for Piaggio engines, rail and roll dimensions were increased and a new roll guide cover was fitted.

Technical data

• Application range: 28 to 88 mm in average Ø (useful size on chain sliding surface: 20 to 99.5 mm in Ø)
• Mobile split pulley made of high silicon grade special alloy, surface treated with hardened chemical nickel
•  Sintered bronze self-lubricating bushing
• Steel-alloy hub with hard cadmium insert on the sliding surface, both ground and lapped
•  Steel roll guide cover, heat treated and surface burnished
• Gauged high resistant HTROLL rolls made of special CPT, basic weight marked on one side
• Driven split pulley contrast spring made of pre-hardened steel-chrome-silicon, painted in different colours according to the relative K value

The Minarelli version includes a fixed vented split pulley made of a high silicon steel alloy and provided with hardened chemical nickel insert.