Clutch spring set -POLINI- Minarelli 50cc Ø=107mm, Aprilia SR Ditech

Preview: Clutch spring set -POLINI- Minarelli 50cc Ø=107mm, Aprilia SR Ditech

Description

With different spring strengths you can determine the speed range at which the frictional connection of the clutch should take place. With harder springs, the clutch engages at higher speeds. Usually harder springs are needed if a sport exhaust system is installed. This has less torque in the lower speed range than the original exhaust system. However, the springs should not be chosen too hard. Otherwise it can happen that the vario already starts to translate without the scooter having started. The effect is then that despite the hardest clutch springs the engine starts like in second gear and is sluggish until it reaches the working speed of the exhaust. Here somewhat lighter weights help and the checking of V-belts and pulleys. Ideally the V-belt should run in the variator on the smallest possible radius and on the rear converter on the largest possible radius. This gives the smallest possible starting support, which means that the scooter achieves the best acceleration from a standing start.
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€16.65 *

incl. VAT plus shipping costs

Available immediately (delivery time 1-3 working days*)

P For this item you get fidelity point/s

General
quantity incl.:	9
Colour
main colour:	black
2nd colour:	green
3rd colour:	yellow
Clutch springs (atomatic scooters)
wire size 1:	1.65 mm
wire size 2:	1.7 mm
wire size 3:	1.8 mm
number of coil:	7
number of coil 2:	6
number of coil 3:	6
engaging engine speed 1:	5500 [rpm]
engaging engine speed 2:	6000 [rpm]
engaging engine speed 3:	6500 [rpm]
OEM numbers (for comparison purposes only)
Polini	245012, P245.012, 245.012, P245012

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