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WebshopVespa Smal...TuningRacing Cra...Full Circle Crankshaft MAZZU..
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Full Circle Crankshaft MAZZU..

..CCHELLI for Vespa PK50/S/SS
/XL/XL2/FL/HP/N/Rush
reed valve, cone 20/20mm, M12

Full Circle Crankshafts are used in motors with direct intake racing cylinders or in connection with reed valve intakes. A Full Circle Crankshaft boosts rpm's in all ranges, motors show more pep and agility with a higher power output. This high quality Full Circle Crankshaft from Italian manufacturer MAZZUCCHELLI, has minimal manufacturing tolerances and reduced bearing play. A real guarantee for stability in high rpm ranges and absolute durability.

 

A Full Circle Crankshaft, in comparison to original crankshafts, has a closed shaft flange. Precompression is higher, crankcase turbulence is reduced. A polished edged connecting rod and lower con rod bearing as silver bearing meet highest requirements. All crankshafts are delivered with upper connecting rod bearing. Ideal usage in connection with direct intakes such as the MALOSSI 136 cc or PARMAKITS. When used with other cylinders, a reed valve manifold is necessary, This also requires the crankcase intake to be enlarged to fit, so the closed flange doesn't close the intake completely. In older 50 cc motors, the precompression plate is often defect. Another situation where a reed valve manifold with a full circle crankshaft can save a crankcase from being thrown away.

 

Conclusion: Extremely durable and high quality. Full circle crankshafts are a must for cylinders with direct intake such as MALOSSI, PARMAKIT, and QUATTRINI or for highly modified casing intakes for the POLINI 130 cc.

 

SIP Community User "real_himself":

"Super part. Perfect for the 136cc Malle, when driven with direct intake."

 

Full circle crankshaft / stroke 43mm / connecting rod 87mm / 20/20mm, M12

Full circle crankshaft with Ø 82mm crankweb (flywheel side), Ø 87mm crankweb (rotary valve side), 87mm connecting rod, lower piston rod bearing = silver bearing, oil seal housing 20mm, bearing housing 20mm, stump cone with M12mm thread, incl. connecting rod bearing


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$122.52
Art.No.
45082000
1,550g / 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 50 / N 50 V5A1T 2T AC `63-`71 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 L 50 V5A1T 2T AC `66-70 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 R 50 V5A1T 2T AC `69-`83 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 Revival 50 V5R1T 2T AC `90- 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 S 50 V5SA1T 2T AC `63-`84 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 Special 50 V5A2T 2T AC '69-'72 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 Special 50 V5B1T 2T AC '72-'75 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 Special 50 V5B3T 2T AC '75-'83 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 Special Elestart 50 V5B4T 2T AC '75-'76 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 Special Elestart 50 V5B2T 2T AC `72-`75 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 Special Elestart 50 V5A3T 2T AC '69-'72 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 SR / Sprinter 50 V5SS2T 2T AC `71-`79 20mm flywheel side oil seal & ignition with large cone necessary
VESPA 50 SS / Super Sprint 50 V5SS1T 2T AC `65-`71 20mm flywheel side oil seal & ignition with large cone necessary
VESPA PK 50 50 V5X1T 2T AC `82-`84 14532 -> (large cone)
VESPA PK 50 50 V5X1T 2T AC `82-`84 20mm flywheel side oil seal & ignition with large cone necessary
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84 181679 -> (large cone)
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84 20mm flywheel side oil seal & ignition with large cone necessary
VESPA PK 50 S / Elestart 50 V5X2T 2T AC `82-`84 3007755 ->
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88 181679 -> (large cone)
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88 20mm flywheel side oil seal & ignition with large cone necessary
VESPA PK 50 S Lusso / Elestart 50 V5X2T 2T AC `85-`88 3007755 ->
VESPA PK 50 SS / Elestart 50 V5S1T 2T AC `83-`86
VESPA PK 50 XL / Elestart 50 V5X3T 2T AC `85-`90
VESPA PK 50 XL FL 50 V5N1T 2T AC `90-
VESPA PK 50 XL HP 50 V5N2T 2T AC `91-`91
VESPA PK 50 XL N NUOVA 50 V5X5T 2T AC `89-`90
VESPA PK 50 XL Rush / Elestart 50 V5X4T 2T AC `88-`90
VESPA PK 50 XL2 / Elestart 50 V5X3T 2T AC `90-

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