Lambretta 4 Speed High and Low Torque Gearboxes

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A 4 speed billet gearset for the Lambretta designed exclusively for Performance Tuning. 
The gears are manufactured from high grade certified motorsport steel for improved durability even in highly tuned engines, and are Superfinished as standard. 

The kit includes a new input shaft with 3rd/4th input gear fitted, and all the output gears.  The standard selector mechanism and output shaft are retained for assembly.

 

Lambretta High Torque/Low RPM A Gearset >
1st   3.538:1
} 28.4%
} 25.4%
} 20.6%
2nd   2.533:1
3rd   1.889:1
4th   1.500:1
 
Overall reduction 1st - 6th 55.7%
Lambretta Low Torque/High RPM B Gearset >
1st   3.538:1
} 32.2%
} 25.4%
} 20.6%
2nd   2.600:1
3rd   2.188:1
4th   1.833:1
 
Overall reduction 1st - 6th 57.6%

Lambretta 4 Speed High and Low Torque Gearboxes

 

Alternate Ratios are Available

 

Availability: Exclusively from
Performance Tuning
Call Charlie on
01604 889117