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Full Circle Crankshaft MAZZU..

..CCHELLI RACE for SIP for
Vespa 90-125/PV/ET3/PK80-125/S
reed valve, stroke 54,0mm, conrod 105,0mm,
cone 20/20mm, M12,
con-rod eye with additional
oil holes

Innovation "Made in Italy"! MAZZUCCHELLI known as the top Italian crankshaft manufacturer, announces their own special series of 54 mm crankshafts. The 54mm full circle crankshafts are the secret of high performance engine tuning. The longer stroke equals a higher capacity and a higher capacity equals a higher performance. The closed crankweb leads to a higher initial compression. Spacers (thicker head and/or base gaskets) make up for the longer stroke. That allows you to play with the timings.

 

MAZZUCCHELLI crankshafts go to the top of the class due to high quality manufacturing. Exact twist and turning resistance by this new series is made possible by using the best materials the market has to offer. All 54 mm crankshafts are outfitted with a stable connecting rod with mathematically precise partial polishing and a “Silver Bearing” (remarkably acceleration stable) for the lower connecting rod bearing. Crank webs are outfitted with additional balance wells sealed with pertinax inlets to improve gas flow. Both crankwebs have Ø 87mm. The crankshaft is available with a 20/20 or a 24/25 cone, and with a 97mm or a 105mm piston rod. The longer con rod changes timings, too. You should level out the longer stroke (51mm -> 54mm) and the longer piston rod (97mm -> 105mm) by means of a thicker base gasket!

 

New and exclusively produced for SIP: The RACE version of the 54mm 20/20mm crankshaft. Additional lubrications bores in the upper and slots in the lower connecting rod bearing ensure better lubrication and reliable performance in high revving regions. The crankshaft is also equipped with a stable and polished special con rod (‘Messerpleuel’).

 

CAUTION: for the MAZZUCHELLI 54 mm crankshaft, you'll need to mill the crankcase housing and motor casing to fit! The crankshafts can only be used in combination with a direct intake or an enlarged reed valve intake.

 

Conclusion: No matter if you go touring or racing; the MAZZUCCHELLI crankshaft delivers a real deal at really affordable prices!

 

SIP-TIP: New bearings, oil seals and keys are a must. Ideal for MALOSSI, POLINI, PARMAKIT, QUATTRINI and FALC racing cylinders with direct intake. Works also well with POLINI, MALOSSI or HHP reed valve manifolds. Don’t forget to use longer cylinder studs and spacer.

 

Alex, SIP-Man, July 2010:

"The low-budget kick: POLINI 130mm with thicker base gasket, POLINI reed valve, Mazzu-crankshaft, POLINI Racing exhaust -> 12,5 PS. Reliable performance for little money!"

 

Full circle crankshaft / stroke 54mm /  connecting rod 105mm / 24/25mm, M12

Full circle crankshaft with Ø 87mm crankweb (flywheel side), Ø 87mm crankweb (rotary valve side), balanced at 5 past 12 o?clock, sturdy 105mm connecting rod, lower piston rod bearing = silver bearing, oil seal/bearing housing 24/25mm, stump cone with M12 thread, incl. connecting rod bearing


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$176.82
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45069000
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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 50 / N 50 V5A1T 2T AC `63-`71 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 L 50 V5A1T 2T AC `66-70 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 R 50 V5A1T 2T AC `69-`83 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 Revival 50 V5R1T 2T AC `90- 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 S 50 V5SA1T 2T AC `63-`84 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 Special 50 V5A2T 2T AC '69-'72 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 Special 50 V5B1T 2T AC '72-'75 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 Special 50 V5B3T 2T AC '75-'83 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 Special Elestart 50 V5B4T 2T AC '75-'76 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 Special Elestart 50 V5B2T 2T AC `72-`75 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 Special Elestart 50 V5A3T 2T AC '69-'72 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 SR / Sprinter 50 V5SS2T 2T AC `71-`79 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 50 SS / Super Sprint 50 V5SS1T 2T AC `65-`71 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA 90 90 V9A1T 2T AC `63-`84 20mm oil seal & ignition with large cone necessary
VESPA 90 Racer 90 V9SS2T 2T AC `71-`74 20mm oil seal & ignition with large cone necessary
VESPA 90 SS Super Sprint 90 V9SS1T 2T AC `65-`71 20mm oil seal & ignition with large cone necessary
VESPA 100 (UK) / 100 Sport (US) 100 V9B1T 2T AC `78-`90 20mm oil seal & ignition with large cone necessary
VESPA 100 (UK) / 100 Sport (US) 100 V9B1T 2T AC `78-`90 50001 ->
VESPA 125 125 VMA1T 2T AC `65-`67 20mm oil seal & ignition with large cone necessary
VESPA 125 Primavera 125 VMA2T 2T AC `67-`83 20mm oil seal & ignition with large cone necessary
VESPA 125 Primavera ET3 125 VMB1T 2T AC `76-`90 20mm oil seal & ignition with large cone necessary
VESPA PK 50 50 V5X1T 2T AC `82-`84 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA PK 50 SS / Elestart 50 V5S1T 2T AC `83-`86 20mm oil seal, ignition with large cone & cylinder > 125cc necessary
VESPA PK 50 XL / Elestart 50 V5X3T 2T AC `85-`90 cylinder > 125cc necessary
VESPA PK 50 XL FL 50 V5N1T 2T AC `90- cylinder > 125cc necessary
VESPA PK 50 XL HP 50 V5N2T 2T AC `91-`91 cylinder > 125cc necessary
VESPA PK 50 XL N NUOVA 50 V5X5T 2T AC `89-`90 cylinder > 125cc necessary
VESPA PK 50 XL Rush / Elestart 50 V5X4T 2T AC `88-`90 cylinder > 125cc necessary
VESPA PK 50 XL2 / Elestart 50 V5X3T 2T AC `90- cylinder > 125cc necessary
VESPA PK 50 XLS 50 V5S2 2T AC `86- cylinder > 125cc necessary
VESPA PK 80 S / Elestart 80 V8X5T 2T AC `82-`86 20mm oil seal & ignition with large cone necessary
VESPA PK 80 S / Elestart 80 V8X5T 2T AC `82-`86 5635 ->, large cone
VESPA PK 80 S Lusso / Elestart 80 V8X5T 2T AC `85-`88 20mm oil seal & ignition with large cone necessary
VESPA PK 80 S Lusso / Elestart 80 V8X5T 2T AC `85-`88 5635 ->
VESPA PK100 S / Elestart 100 V9X1T 2T AC `82-`84 20mm oil seal & ignition with large cone necessary
VESPA PK100 S / Elestart 100 V9X1T 2T AC `82-`84 41359 ->
VESPA PK125 125 VMX1T 2T AC `82-`85 20mm oil seal & ignition with large cone necessary
VESPA PK125 125 VMX1T 2T AC `82-`85 7413 ->
VESPA PK125 S / Elestart 125 VMX5T 2T AC `82-`84 -> 62606 (w/o electric start)
VESPA PK125 S / Elestart 125 VMX5T 2T AC `82-`84 3007791 ->

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