Return to mazzucchelli vespa piaggio anticipato racing crankshaft - 12 pin
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5 of 5 Crank RIPS with the Treat Party for Ciao! Sunday, February 22, 2026
taco eater : Chase Havoc from San Antonio, TX United States  
I got the treat party for ciao with the vespa piaggio tecno circuit performance pipe, (vespa olympia party), and adding this crank was the right thing to do! I rebuilt the entire motor so I thought I should get this and it was the right decision 4 sure! Bike now runs awesome and gets 45-50MPH yeah!

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5 of 5 So much juice!!!perfect fit and serious performanc Saturday, January 31, 2026
taco eater : Juls_Italy from Jacksonville, FL United States  
This crankshaft delivers so much juice. Fitment was perfect and I had zero issues with the woodruff key. It slid in like a glove.

I am running this on a 2003 Kinetic TFR. Since the cases were already open, I opened the intake to 12.7mm and paired it with a 13.13 carb and a DR kit. The difference is night and day. Stronger pull, better throttle response, and it really wakes the motor up when everything is matched properly.

Also have to say, I love the old school vibes. The box and sticker feel straight out of the golden age, which is a nice touch.

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4 of 5 Lap and File! Sunday, July 23, 2023
taco eater : Wes from San francisco, CA United States  
Wish these came ready to go. But they don’t. You’re going to have to file your woodruff key down or else it will not fit right and will ruin your crank and/or flywheel. And they aren’t cheap so you don’t want to do that.

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5 of 5 The Best! Tuesday, March 2, 2021
taco eater : Joe Runkle from Costa Mesa, CA United States  
The Best! With all the cranks I've installed this one is hands down the best. No cam issues at all.

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5 of 5 Just the crank you Vespa Bros desire Friday, February 3, 2017
taco eater : Ninja from New York, NY United States  
I've bought several of these Mazzi Cranks (5 or 6 of them). When I have to rebuild a motor this crank is the foundation on which it sits. I haven’t had any woodruff key issue but Will is a pretty rad guy so you might want to check the depth of your keyway to be 100%.


FUN Fact - The Mazzi Crank opens at 121 BTDC and closes at 45 ATDC, give or take a few degrees. So the total is 166 degrees of total intake duration timing. The Anticipato cranks give you about 20 more degrees of intake duration timing. This crank is worth the buy

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5 of 5 A thing of functional beauty Tuesday, August 23, 2016
taco eater : marc friedman from davis, CA United States  
Amazing Italian workmanship.  So on this particular Mazzi the crankshaft is a bit too "proud" for the variator to slip on. I took Will's advice and worked on the id of the variator instead of the mazzi crank. I posted pics in MA under performance "43 Mallosi crank cutting" for future peeps who encounter this. Probably try on the variator before building the motor.

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4 of 5 great crank once installed Monday, September 21, 2015
taco eater : Will caldwell from san francisco, CA United States  
this crank is pretty rad. first time i used one i messed something up and it never really allowed the flywheel to sit perfectly.

this time around, (prior to installing the ignition) i lapped the taper on the flywheel and crank until the taper fit was super nice. after grinding down the woodruff key a hair, i dry fit the ignition with cam follower in place and the spring washer to see is the taper fit was still good. the cam follower was then lathed 0.25mm to allow the flywheel to fully seat.

with this crank, and pretty much any other aftermarket vespa crank you WILL need to spend a looong time dry fitting, checking the taper, lapping, etc to ensure that everything works properly.

take your time and this crank will make yer lil vespa a ripper

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5 of 5 I was able to install with ease Wednesday, April 23, 2014
taco eater : DJ Lou Spin from houston, TX United States  
IDK if it makes a huge difference in performance but it fit and works well so far with DR kit, sitto exhaust, 13/13 carb.

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5 of 5 Tacos Saturday, December 28, 2013
taco eater : Hugh Goldspiel from San Jose , CA United States  
Update: the fellow below had mentioned woodruff key not being a perfect fit, I thought he was talking about the side to side fit. I wasn't paying attention to the depth of its seating, slapped a flywheel on, and my flywheel was destroyed. The tapper got warped out of place, and is not fixable. It's not a big deal to file or grind the key down, look very closely at how much the key sticks out, and look a your flywheel very closely to see you've filed the correct amount. Don't ever let someone try to lap your crank on !!!!!

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5 of 5 it fits well Saturday, February 9, 2013
taco eater : Craig Boone from Lexington, KY United States  
havent used it yet, but the biggest problem ive run into with vespa cranks is fit, they either they work or they dont
  update, works well to launch you to high rpms, a solid tight crankshaft


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