Gearbox Lambretta J125 3m -CASA LAMBRETTA- Lambretta – suitable for all 3-speed cases.
Gear wheels and auxiliary shaft of the Lambretta J125 3m (3 speed) that can be installed in all engines with 3 speed gearbox. Ideal in all cases where the J50 and lui 50 gearboxes have become unusable after tuning measures due to their short gradation.
- Gradation:
- Gear 1 / auxiliary shaft: 48 /11
- Gear 2 / auxiliary shaft: 42/16
- Gear 3 / auxiliary shaft: 37/21
Thus, with the standard gear ratio with front pinion with 14 teeth and rear with 46 teeth, these gear ratios result: 1. Gear: 14,34, 2nd gear 8,63, 3rd gear 5,79.
In comparison the J50 Special with original 13/46 sprockets has these ratios: 1st gear: 22,80, 2nd gear: 12,50, 3rd gear: 8,14.AI-translation
Reviews
There are no reviews yet.