Flywheel -BGM PRO SPORT 2.0 Electronic 1550g- Vespa Largeframe PE/PX (without Elestart), Cosa (without Elestart), LML 125/150 Star/Stella (2-stroke) - fits also models with Elestart (note: with this type of flywheel electric start is no more supporte | Rotors | Ignition | Engines

Preview: Flywheel -BGM PRO SPORT 2.0 Electronic 1550g- Vespa Largeframe PE/PX (without Elestart), Cosa (without Elestart), LML 125/150 Star/Stella (2-stroke) - fits also models with Elestart (note: with this type of flywheel electric start is no more supporte

Description

LIGHT SPORT POLE WHEEL -BGM PRO SPORT 2.0 ELECTRONIC 1550g- for Vespa PX, Cosa, LML

The BGM PRO pole wheel is a completely new development and is made of finest cast aluminum. Usable for engines with already existing electronic ignition (12Volt) as well as for the conversion of contact-controlled engines with 6 volts to a maintenance-free electronic ignition with 12Volt usable. For the latter we offer very nice sets for complete conversion (see accessories/alternatives). For further applications and possible conversions of e.g. contact controlled engines see downloads.

FEATURES

1550 grams = up to 50% lighter than an original pole wheel (Piaggio without Elestart 2800-3200grams)
Very good throttle response of the engine (due to small outer diameter = concentration of mass around a small pivot point)
Higher engine power with absolute suitability for everyday use (due to reduced wing area)
High ignition timing accuracy
Very good concentricity
Balanced ex works
Good magnetization
Higher performance due to optimized wing area

WEIGHT
With 1550 grams, the BGM8025RS (S for Sport) has significantly less flywheel mass than a standard pole wheel. Compared to the very heavy pole wheels of the older PX models (without Elestart) it offers up to 50% less flywheel mass. This makes the BGM8025RS ideal for all sporty engines and engine concepts that have sufficient excess power and / or a not too long gearbox. Due to the low flywheel mass, this pole wheel protects the crankshaft and the drive and can also be used without problems in engines well above 30HP. Also suitable to equip its series engine with a significantly better acceleration. The lighter flywheel mass makes the engine much more spontaneous, but it also loses some of its tractor-like starting torque that Vespa engines are known for.

ACCELERATION
The lighter weight improves acceleration very significantly, explicitly in the lower gears. Together with a short-stepped gearbox, this quickly achieves motorcycle-like feeling when one gear after the other can be shifted through bitingly and quickly.Due to the more compact mass concentration as well as the reduced wing area, you get much better engine performance.

performance & cooling
The cooling vanes are smaller and have a smaller outer diameter than the standard pole wheels. Thus, for engines in the 20hp class, an average of 1-1.5hp is gained over the complete rpm range, just by replacing the pole wheel. The continued high cooling performance was very important to us and we therefore tested this in our own trials with maximum load. Even thermally rather critical engines, such as a Polini 207 cast iron with SI24 carburetor, could be driven many kilometers at a stretch with continuous full throttle on the highway at 30°C outside temperature in midsummer. It remained thermally completely stable. The Polini is thus fully suitable for everyday use.

ELESTART
The pole wheel does not have a ring gear for the electric starter. It can therefore be installed and driven on all models with an electric starter, but the electric start function is then no longer available.

ALTERNATIVES
For those who like it sporty but not so light, we recommend our 2300 grams light BGM Touring Pole Wheel BGM8025RT.

RECOMMENDATION
We recommend the BGM8025RS for all sport oriented engines. Engines with high basic power do not need a heavy flywheel and benefit from the light BGM8025RS in all driving situations. The lower weight protects the crankshaft and the drive, especially with engines that can rev up extremely quickly due to their power.

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Estimated delivery date: 24/05/2024

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