Malossi HTQ Secondary Gearbox 14/47 – longer ratio for more actual top speed

When you increase the power of your scooter through modification or the installation of a tuning cylinder, there is suddenly significantly more potential in the engine. The problem: the original final drive ratio is usually chosen to be so short that the stock engine can pull it without any problem. With more HP, the engine quickly reaches its limit at higher speeds – the RPM shoots up, but the top speed hardly increases.

This is exactly where the Malossi HTQ Secondary Gearbox 14/47 comes in: the gears and intermediate shafts are not only processed to a first-class standard, they also help to bring the final RPMs to a bearable level while simultaneously allowing the top speed to increase significantly – particularly popular for setups on Piaggio Zip, Piaggio Sfera, and Piaggio Free.

And don't worry about the usual myths ("it won't take off with a longer ratio"): usually, minimally stiffer clutch springs are sufficient to compensate for this. On the contrary – if the gearbox is too short for the available horsepower, you are wasting valuable power because the engine could actually pull significantly more.

Advantages & Features

• Longer secondary ratio for noticeably better utilization of tuning power
• Lowers high final RPMs – engine does not needlessly redline at top speed
• More top speed (depending on the setup)
• Very good processing of gears and intermediate shafts
• High-quality Malossi gears made from identical material or hardness grade for long durability

Technical Details

• Version: Secondary (HTQ)
• Teeth / Ratio: 14/47
• OEM numbers (for comparison purposes only): 67 8717, 678717

Compatibility (Vehicles)

Fits many models from the Piaggio/Gilera/Vespa environment – including Piaggio Zip, Piaggio Sfera, and Piaggio Free (see list).

• Gilera: Storm 50 (1999, 2007)
• Gilera: Stalker 50 (1999)
• Piaggio: Easy Moving 50 SSP2T
• Piaggio: NTT 50
• Piaggio: Zip Base 50 (1999)
• Piaggio: Zip Fast Rider 50
• Piaggio: Sfera Restyling 50 C01
• Piaggio: Free 50 (1999)
• Piaggio: Quartz 50
• Piaggio: Zip SSL 25 (1999)
• Piaggio: Zip 2 50 2-stroke
• Piaggio: Storm 50
• Piaggio: Typhoon 50 C48 TEC1T (2010)
• Piaggio: NRG 50 LC water-cooled
• Piaggio: Zip 50 1st series (1991–1994)
• Piaggio: NRG 50 MC2 LC water-cooled
• Piaggio: Typhoon 50 X TEC2T
• Piaggio: Typhoon 50 XR C19 C29
• Vespa: ET2 50 2-stroke

Why Malossi?

Malossi gearboxes stand for robust, precisely manufactured components. The high-quality gears (same material or hardness grade) are designed for long durability – ideal if you finally want to cleanly convert power into speed on your Piaggio Zip, Piaggio Sfera, or Piaggio Free.