Piaggio Item number: 7671572
Piaggio
1 Rating
165,00 €*
available immediately
Shipping weight 0,7 kg
Original Piaggio PX 125/150 crankshaft in the usual good quality at an unbeatable price. As a replacement for a worn out crankshaft in a touring engine, or to finally get a PX 80 engine up to 125ccm (cylinder base has to be adjusted), also needed to convert late Sprint, t.s.125 and gtr models to 12Volt PX electrics. Also indispensable to upgrade a PX 80 with a 177 DR cylinder for moderate tuning. Due to the thick crankshaft stub, this standard crankshaft is almost indestructible and proven a million times over.
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Hermann Z. from Klagenfurt 09/22/2025
Ball bearing
Dimensions
15x19x20mm
 
Piston pin
Diameter
15 mm
 
Crankshafts
Stroke
57 mm
Thread on alternator side
M12x1,25 Rechtsgewinde
Thread on drive side
M12x1,5 Rechtsgewinde
Crank web diameter
98 mm
Crankcase must be spindled
nein
Motor housing must be modified
nein
Rotary vane crankshaft
ja
Length of rotary vane sealing surface on crank web
215 mm
Vespa PX125-150 - Control angle short sealing surface (53mm full
170
Vespa PX125-150 - Control angle long sealing surface (33mm) (°)
147
Full cheek crankshaft
nein
Wide crank webs
38.9 mm
Bearing seat diameter on alternator side
25 mm
Bearing seat diameter on drive side
25 mm
Diameter of sealing ring seat on alternator side
24 mm
Diameter of sealing ring seat on drive side
31 mm
 
Connecting rod
Connecting rod length
105 mm
Connecting rod strength
6 mm
Connecting rod eye top diameter
19 mm
Lifting pin diameter
22 mm
Upper connecting rod eye lubrication hole
nein
Lower connecting rod eye lubrication hole
Nut
Connecting rod thrust washers
ja
 
OEM numbers (for comparison purposes only)
Piaggio:
1331545, E.5420, E5420
Scooter Center:
7671572
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