BGM

Pulley BGM PRO Super Torque Driver | Vespa Primavera/Sprint 125cc

In stock
SKU: BGM7151
Regular price €217.44
Shipped in 1-2 days if in stock.

PRODUCT DESCRIPTION 

Pulley BGM PRO Super Torque Driver

INFORMATION 

The BGM Supertorque converter optimizes the acceleration of the vehicle.
It immediately keeps the engine at the speed of the highest torque, which means that the full tractive force is always available at the rear wheel. The BGM Supertorque replaces the factory converter and offers individual tuning to your engine through two different settings. The matching angle of the pulley halves also results in perfect everyday suitability that protects the V-belt.

FUNCTION ORIGINAL CONVERTER
The original converter is optimized for the highest possible vehicle control. To this end, it reduces the maximum possible acceleration, even when full throttle is applied, up to approx. 30km/h utilizing the rear converter's conservatively designed shifting behavior. This provides novice drivers with increased safety to first stabilize the vehicle from slow speeds (handlebars straight, correct seating position, etc.). However, for ambitious drivers and tuners, any changes to the drive (variomatic, counterpressure spring) and the performance-determining engine components themselves (cylinder, camshaft, head, etc.) can not be fully effective unless the converter is also changed.

FUNCTION BGM SUPERTORQUE CONVERTER
The BGM Supertorque converter enters directly at the speed of the highest torque and holds it without compromise to deliver the total engine power directly to the rear wheel. This allows the scooter to accelerate much better from a standstill and, with power-optimized engines, to lift the front wheel at times. Of course, you can also generally start with the Supertorque converter if you want to. A significant advantage of the BGM Supertorque converter is the linear shifting behavior. This makes it much easier to tune the drive, especially on engines with increased power.

FITTING
To adapt the converter perfectly to the engine and one's own needs, it offers two differently shaped milled grooves for the so-called sliding blocks. The milled grooves have different steep flank angles. The more vertical the milling angle, the faster the converter halves can close and the quicker the scooter can accelerate. Please note that the engine should have a sufficiently high primary power for the substantial adjustment. Series engines should use the flatter and thus somewhat tamer flank angle.

Sufficient time should be scheduled for testing and tuning. The combination possibilities in the tuning of variator and converter to each other are enormous. A harmonious tuning of weights, back pressure spring, and flank angle of the converter results in a significantly improved acceleration behavior. Ideal for use in conjunction with the BGM PRO variator.

TIP: The subjective perception of the acceleration can (among other things, due to the heard speed) quite quickly deceive. Ideal for testing is always the same distance and an accelerometer (e.g., SIGMA MC1812, see accessories).

Please grease the transducer before installation (area of the sliding blocks and guide slots).

FITMENT 

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