Full over range transmission kit When the Big Deps engine and the Malossi engine crankcase are pushed to the limit, the transmission need to be able to withstand the strain. That’s why the Malossi Over Range was developed: a complete system designed to support ever-increasing performance. Larger pulley, total control The core feature of this kit is the new Fixed Pulley in the torque driver system , consisting of an increased diameter compared to its original. This enhancement extends to the transmission ratio range . What result does it provide? More effective acceleration and top performance…
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Full over range transmission kit
When the Big Deps engine and the Malossi engine crankcase are pushed to the limit, the transmission need to be able to withstand the strain. That’s why the Malossi Over Range was developed: a complete system designed to support ever-increasing performance.
Larger pulley, total control
The core feature of this kit is the new Fixed Pulley in the torque driver system, consisting of an increased diameter compared to its original. This enhancement extends to the transmission ratio range.
What result does it provide? More effective acceleration and top performance at all times, as the variator operates better and fully harnesses the available power.
But we didn't stop there. To ensure strength and durability, the pulley was made with special materials and treated with a particular thermochemical process resistance and mechanical strength which greatly increases its wear making it practically indestructible. This fixed pulley works perfectly with the Malossi Torque Driver, which has the same diameter.
MULTIVAR MHR 3.0
A Multivar MHR completes the system, featuring roller tracks for maximum efficiency, a reinforced contrast spring for a faster response, a hub – longer than the previous one – to fit a stronger belt and optimise transmission ratios.
The Multivar MHR is the evolution of previous generations, bringing Malossi’s racing experience and CAD-CAM technology directly to your engine, delivering top-level technical performance.
To make the most of the torque driver range and the power output of modern racing vehicles, we have also developed the Malossi Special Belt (sold separately). This toothed belt has an increased cross-section and an updated length, ensuring maximum efficiency in all conditions.
PLEASE NOTE: after installing the Malossi Over Range, it will no longer be possible to pedal-start your vehicle. We recommend using our pull-start kit art. 5019908 (sold separately).
The kit includes:
Multivar MHR Variator
Why should you choose the Multivar MHR? At Malossi we have completely redesigned this variation, starting from its roller tracks, its longer hub, and right down to the contrast spring.
Torque Driver
This allows the integration of a true torque driver system with double sliding tracks for customised shifting curves.
Fly Clutch
A 107mm clutch, redesigned with new masses to match the reversed rotation direction compared to standard scooters. A Malossi spring system for optimised engagement RPM. Two optional spring kits available for customised tuning.
Wing Clutch Bell
A reinforced clutch bell with a finned cooling ring. It perfectly matches the Fly Clutch for high-performance use.
It has been modified to accommodate the scooter-derived pulley and clutch system.
It has a reinforced shaft with an increased Ø 13.5mm stem. It comes with a nut, an oil seal, and a roller shell for easy installation.
Special Belt (sold separately)
It has a 23% wider section (widened from 13mm to 16mm) for enhanced durability and grip
The Over Range complete transmission system is compatible with:
Attention: To be used exclusively with the Malossi belt.
Attention: To install the included primary gear shaft, the Malossi primary gears (art. 6719286 or 677021) must be installed. (6718630 – discontinued).
Products reserved exclusively for racing in specifically designed locations according to the provisions of the competent sporting authorities. We disclaim all liability for improper use
Data sheet
Technical Specifications Clutch Bell forged using Fe P04 deep-drawing steel; Carbon steel centre hub made of round stock and TIG welded; Surface hardened through nitriding; Finned reinforcement ring, made of machined carbon steel, black oxide surface finish, press fit; 100% dynamically balanced.
X Special Belt Tourism use X Special trapezoidal belts are the best choice to ensure maximum performance and reliability from your scooter. They are produced with special mixtures to guarantee optimal resistance and drive; their forms have been developed to perfectly fit the surface of the automatic transmission elements. X Special Belt is not only perfectly compatible with the original belt. but it offers all the advantages of a Malossi high-quality product.
X Special Belt Tourism use X Special trapezoidal belts are the best choice to ensure maximum performance and reliability from your scooter. They are produced with special mixtures to guarantee optimal resistance and drive; their forms have been developed to perfectly fit the surface of the automatic transmission elements. X Special Belt is not only perfectly compatible with the original belt. but it offers all the advantages of a Malossi high-quality product.
X Special Belt Tourism use X Special trapezoidal belts are the best choice to ensure maximum performance and reliability from your scooter. They are produced with special mixtures to guarantee optimal resistance and drive; their forms have been developed to perfectly fit the surface of the automatic transmission elements. X Special Belt is not only perfectly compatible with the original belt. but it offers all the advantages of a Malossi high-quality product.
Fly Clutch Ø 107 mm clutch, redesigned with new masses to adapt to the opposite direction of rotation. The Malossi spring coupling allows operation at a predefined optimum RPM attack point. Optional: 2 sets of springs are available to customise your vehicle.
Primary gear shaft We went as far as modifying the primary gear shaft to accommodate a pulley and clutch/bell assembly derived from the scooter world. Having become the connecting element between the newly designed components, this shaft has been reinforced with an increase in the shaft Ø to 13.5 and is supplied with a nut, oil seal and roller shell for mounting. Attention: in order to fit the primary gear shaft included in the kit, it is necessary to have fitted Malossi primary gears art. ( 6718630 out of prod.) or 6719286 or 67 7021 .
MULTIVAR MHR This is the first time that Multivar MHR has been adopted on the moped scene! Malossi has completely redesigned this variator: New sliding rails New adjuster spring Longer hub
TORQUE DRIVER The mobile driven split pulley comes from our racing department's many years of experience, and is manufactured with the best possible special nitrided steels in order to ensure a long life. This component called Torque Driver for its specific function of determining the exact shifting moment, was calculated to give the vehicle the maximum possible acceleration in connection with the specific power of any single engine. The spiral's peculiar shape was studied to fix the RPMs on the point of maximum power. It was expressly created to complete the development of boosted motors…
VENTILVAR 2000 It’s a fixed half-pulley with a diamond finish of the belt-side pulley surface and a redesigned working angle to further increase the gearing range. This component completes the Multivar and renders it unparalleled. Specially designed for the line of variable-speed drives for scooters, it further improves the performance of the drive belt. It is not just a simple accessory, but a very important part for guaranteeing the long life of all the transmission components. The temperatures produced inside the crankcases where variators work with V-belts are prohibitive at critical…
Half-pulley made of aluminium alloy with silicon content, machined on very high precision CNC machines and diamond-finished, with recalculated profiling of the roller sliding guides.
Half-pulley made of aluminium alloy with silicon content, machined on very high precision CNC machines and diamond-finished, with recalculated profiling of the roller sliding guides.
Half-pulley made of aluminium alloy with silicon content, machined on very high precision CNC machines and diamond-finished, with recalculated profiling of the roller sliding guides.
TORQUE DRIVER The mobile driven split pulley comes from our racing department's many years of experience, and is manufactured with the best possible special nitrided steels in order to ensure a long life. This component called Torque Driver for its specific function of determining the exact shifting moment, was calculated to give the vehicle the maximum possible acceleration in connection with the specific power of any single engine. The spiral's peculiar shape was studied to fix the RPMs on the point of maximum power. It was expressly created to complete the development of boosted motors…
"OVER RANGE" Malossi transmission system This new transmission system takes full advantage of the Malossi components already on sale last year, by adding several new parts that make the entire system particularly suited to the enormous power available. This latest system hinges on the new Fixed Pulley of the torque driver that has a larger diameter and the very latest specifications. The larger diameter of this pulley allows one to have a greater velocity-ratio range compared to the original pulley that has a notably smaller external diameter. Malossi engineers have also taken particular care…
Half-pulley made of aluminium alloy with silicon content, machined on very high precision CNC machines and diamond-finished, with recalculated profiling of the roller sliding guides.
This consists of a 15° pulley with a diameter of 102 mm, which is TIG welded to a specially designed hub with a mould-pressed EKU bushing. EKU is a dry self-lubricating material that ensures excellent sliding properties and minimal wear. Adaptable even to the original Piaggio system.
VENTILVAR 2000 It’s a fixed half-pulley with a diamond finish of the belt-side pulley surface and a redesigned working angle to further increase the gearing range. This component completes the Multivar and renders it unparalleled. Specially designed for the line of variable-speed drives for scooters, it further improves the performance of the drive belt. It is not just a simple accessory, but a very important part for guaranteeing the long life of all the transmission components. The temperatures produced inside the crankcases where variators work with V-belts are prohibitive at critical…
TORQUE DRIVER The mobile driven split pulley comes from our racing department's many years of experience, and is manufactured with the best possible special nitrided steels in order to ensure a long life. This component called Torque Driver for its specific function of determining the exact shifting moment, was calculated to give the vehicle the maximum possible acceleration in connection with the specific power of any single engine. The spiral's peculiar shape was studied to fix the RPMs on the point of maximum power. It was expressly created to complete the development of boosted motors…
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