ENGINE TENSION SPRING MOPED DOPPLER ER1 FOR 103 SP/MVL -MODELS WITH 3.7l PETROL TANK

Ref. : 297246

DOPPLER is one of the rare equipment manufacturers to offer this type of product.

As in the great era of moped racing, the central mainspring is an essential option for the variator and the clutch pulley.

It allows the progressiveness of the variator to be adapted to the engine speed.I

l gives the possibility of adjusting the hardness of the spring and avoiding slippage.

The mainspring is mounted on a nylon ball joint.

  • PEUGEOT 103 MVL (50 cc)
  • PEUGEOT 103 SP (50 cc)
Gross weight :
0,516 kg
Length :
0.282 m
Width :
0.131 m
Height :
0.073 m
Volume :
0.00270 m³