CGN reinforced motor spring for Peugeot 103 sp, mv, mvl, lm, chrono ...

Attention, this spring is not mounted on Peugeot 103 SPX, CLIP, RCX and vogue, it is mounted on Peugeot 103 chrono, sp, mv, mvl, lm ... When an engine is well prepared or equipped, it is important to exploit the right power regime! Originally, the variator starts to close very early, from 5500/6000 revolutions (when the motor is still far from its power range, the variator starts to close! As if you were in an automobile, you changed gear very early around 2500 revolutions per minute! It is therefore important to put a harder spring, which will cause your variator to start closing around 3000 revolutions later! You will therefore use the maximum power regime, as if on a car you were shifting your gear that 'once the rev counter is in the red in order to have power. This little spring will therefore be excellent on a small configuration like pot / 50cc kit / 15mm carburetor ...