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Racing Crankshaft MAZZUCCHELLI

for SIP for Vespa 125 VNB/GT
/GTR 1°/Super/TS/150 VBA/VBB
/T4/GL/Sprint/V 1°/Super 1°
disc valve, stroke 57,0mm, conrod 105,0mm,
pin 15mm, valve timing: 118°
/6° post TDC

FOR RACE USE ONLY

Here's a real hottie: the SERIE PRO racing crankshaft for the Vespa 125 VNG/GT/GTR VLN2T -> 145900/Super/TS VLN3T -> 18138/150 VBA/VBB/T4/GL/Sprint/V VNB1T -> 2942593/Super VBC1T -> 412373.

WORB5 lengthened the intake timing of this shaft on a MAZZUCCHELLI basis. Puts a lot of punch in your tired old original motor. Higher rpm, improved acceleration and higher end speed are possible. This racing shaft harmonizes very well in connection with 177 cc racing cylinders and touring - race exhaust systems.

Conclusion: very good and simple tuning for your weaker, original motor.

 

Racing crankshaft / stroke 57 mm / 20/25 mm / M10

Racing crankshaft with ø 95 mm crankweb (flywheel side), ø 97.9 mm crankweb (disc valve side), oil seal housing 20 mm, bearing housing 25 mm, pointed cone with M10 thread, incl. connecting rod

 

SIP-TIP: A DR/PINASCO 177, a touring exhaust, such as SIP Road or an Italian exhaust, as well as a 24er SI carburetor are a good set up.

 

 

The timings stated above were determined viewing in the direction of the clutch side. That means: "138°/6° after TDC: Inlet timing begins 6° after TDC and stays open for 138°.

Please note that the angular degrees given here are approximate values, as the crankshafts are reworked by hand.

 


Customers also searched for this article with:  race crankcase, racing crankcase, race crankshaft, tuning crankshaft, performance crankshaft


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$138.61
Art.No.
45131000
1,950g / piece
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icon scootermodels This product fits the following models
  VESPA
divider Producer/Model divider cc divider Type divider Engine divider Yr. of Const. divider Extra
VESPA 125 125 VNT1-2 2T AC `60-`62
VESPA 125 (T2/125) (D) 125 VNB1-6 2T AC `59-`65
VESPA 125 GT / 125 Sprint 125 VNL1-2 2T AC `61-`73
VESPA 125 GTR 125 VNL2T 2T AC `68-`78 -> 145900
VESPA 125 S 125 VNS1-6 2T AC `59-`65
VESPA 125 Super 125 VNC1T 2T AC `65-`69
VESPA 125 TS 125 VNL3T 2T AC `75-`78 -> 18138
VESPA 150 150 VBB1-2 2T AC `60-`67
VESPA 150 150 VBA1T 2T AC `58-`60
VESPA 150 (T4/150) (D) 150 VGLA-B 2T AC `59-`65
VESPA 150 GL 150 VLA1T 2T AC `62-`64
VESPA 150 GL Touring (DK) 150 VGLA-B 2T AC `57-`58
VESPA 150 Sprint 150 VLB1T 2T AC `65-`74
VESPA 150 Sprint Veloce 150 VLB1T 2T AC `69-`79 -> 294259
VESPA 150 Super 150 VBC1T 2T AC `65-`79 -> 412373

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