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Old 11-22-2013, 04:43 PM   #1
driller OP
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Joined: Jan 2004
Location: In The Isothermal Belt, NC
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The "BlowFly" Project

I acquired an '06 Piaggio Fly 150 this summer. A trade that cost me out of pocket little more than registration, tax and insurance yielded a decent scoot to play with.


With just under 14,000 miles on it, the thoughts of "hopping" the Fly up came easily.
The itch to molest it and see if a bit more giddy up could be found needed to be scratched.
The plan.....
Establish base performance as stock.
Install upgrade variator. Record results.
Install a PM Tuning pipe. Record results.
Install 200cc Piaggio jug (used on the Liberty 200). Record results.
Rejet, tune variator if needed. Again, record results.

The goal....
Quicker acceleration with stronger pull up to original top speed of 60-62mph.
More top speed is not really what we want to gain, but any extra mph will not be refused. Just more "OOMPH".
An up gear might be in the future, but first things first.

Let the "BlowFly" project begin!



Stay tuned...results of new variator coming soon.
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2005 Vespa GT200
2011 PCX 125
2006 Fly 150 "BlowFly 200"

driller screwed with this post 11-22-2013 at 07:51 PM
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Old 11-22-2013, 04:52 PM   #2
alphaBETAdog
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Having a completely stock Fly, I will be very interested in following this thread and seeing what you achieve.

Cheers!
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Old 11-22-2013, 06:36 PM   #3
Dan V.
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While you are in the case, change out the torque spring; probably a new belt would be warranted with that many miles, too. That should give you a reliable base to work from.
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Old 11-22-2013, 07:01 PM   #4
Dabears
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Sounds like a fun project!
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Old 11-22-2013, 10:03 PM   #5
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Hehehehe.......
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Old 11-23-2013, 01:58 AM   #6
Forde
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Wouldn't like to be paying shipping to the states on a pm pipe lol I'm surprised you even knew they existed, although I guess everyone knows about everything thanks to the Internet
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Old 11-23-2013, 02:38 PM   #7
brianwheelies
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I would love to get one of PM Tuning's 2 stroke 360 pipes.
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Old 11-23-2013, 05:51 PM   #8
JerryH
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Was thinking about doing something similar with an '08 Vino 125, but found there aren't many performance parts available for it. Can't even find a pipe for it.
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Old 11-23-2013, 06:32 PM   #9
driller OP
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Quote:
Originally Posted by Dan V. View Post
While you are in the case, change out the torque spring; probably a new belt would be warranted with that many miles, too. That should give you a reliable base to work from.
Here is where we are starting.
I replaced worn rollers with stock OEM 10g rollers. Replaced the belt (old one was still in spec), mounted a new rear tire. The clutch pads had plenty of meat so I cleaned them and freshened the inside of the clutch bell. The condition of the spring was unknown.
In Florida, on the flats, I was able to coax what appeared to be an honest 60-61(indicated 66-67)mph. The work and testing is in North Carolina at about 2000 ft. Not sure how much that would make a difference.
My friend YellowJacket has taken the lead on the wrenching and has done some test runs while I was busy with some Doctor's visits..
He has been drag racing motorcycles for 45 years and is a dedicated tuning junkie. Great to have his skills and knowledge on the project.
Some results next.....
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Why did I wait so long to do this?
Now "Certified Scooter Trash"
2005 Vespa GT200
2011 PCX 125
2006 Fly 150 "BlowFly 200"
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Old 11-23-2013, 06:46 PM   #10
driller OP
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Smoking deal!

Quote:
Originally Posted by Forde View Post
Wouldn't like to be paying shipping to the states on a pm pipe lol I'm surprised you even knew they existed, although I guess everyone knows about everything thanks to the Internet
Forde, I have followed several threads featuring the PM pipe for the Piaggio Leader engines on the MV forum. Most were indeed from your side of the "pond".
They are pricey. I thought they were out of my reach till I found a good deal (under $300 delivered)from an outfit in Charleston SC. Glad I snagged it when I did as the few he had are gone. Another supplier asks $490 plus shipping.
Here's hoping this part of the equation will yield reasonable improvement.
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Why did I wait so long to do this?
Now "Certified Scooter Trash"
2005 Vespa GT200
2011 PCX 125
2006 Fly 150 "BlowFly 200"
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Old 11-23-2013, 07:31 PM   #11
driller OP
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Numbers...

Here are some results.
Vic has a spot near his home where the road is straight and fairly level (a lot to ask for where we live in the mountains ) and little traffic to interfere with making timed runs. He has used it to test many of his scooters and motorcycles and has the routine down. This stretch of road is about 110-120 yards. Keep in mind this is not official track distances, simply a way to quantify what changes in run time come from our tinkering.
The process:
8 timed runs from full stop and WOT(stopwatch). Throw out the best and the worst and average the remaining 6 times.
Top speed: On a longer stretch of road, WOT till it gives no more (GPS). Both ways.

Stock: Stock variator with 10g rollers.=60 gms All else stock.
Average 10.51 sec. Runs were very consistent.
Top speed: Average 57 both ways.

Malossi Multivar: 3x9.5gm rollers, 3x14gm rollers =70.5gm New clutch main spring.
Average: 10.25 sec. Runs were very consistent.
Top speed: Average 55.5 both ways. Strong cross wind may have slowed things down 1-2 mph.

Vic weighs about 20 lbs more which could account for the difference in top end he found compared to my runs earlier in Florida.
The Multivar comes with two sets of rollers. 9.5's and 14's. I would expect quicker times might have been seen at the expense of top end with all 9.5gm rollers. Mixing the weights with a net heavier weight did yield small but consistently lower times. This mix was suggested anticipating an increase in torque and hp when the pipe and 200 jug go on.

The new variator was not part of the original tuning plan. When replacing the worn stock weights we found the outer driving pulley had almost no teeth to engage the drive shaft splines! The inner cover was nearly as bad. That piece and the thick spacer on the outside were carrying the bulk of the torque. That was a stranding on the side of the road waiting to happen.
More to come....
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Why did I wait so long to do this?
Now "Certified Scooter Trash"
2005 Vespa GT200
2011 PCX 125
2006 Fly 150 "BlowFly 200"
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Old 11-24-2013, 05:41 PM   #12
Yellow Jacket
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No testing today, bike stayed in the basement. We had a high temp of 35* today. Not going to get much better for at least 6 days.
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Old 11-24-2013, 08:26 PM   #13
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35 degrees? Above freezing, excellent! Oh wait, you're in North Carolina. I'm in Vermont. Different expectations for late November!
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Old 11-25-2013, 04:29 PM   #14
driller OP
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Southern life...

If I were still in Maine, the bikes would be tucked in the basement for a long sleep. Of course their slumber would be occasionally interrupted when I would get on them and make "Vrroom Vrroom" sounds.
Pipe is on. The Fly is making its own "Vroom, Vroom". A little "barky", but not bad. Weather permitting some runs might be made Friday.
Stay tuned...
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Why did I wait so long to do this?
Now "Certified Scooter Trash"
2005 Vespa GT200
2011 PCX 125
2006 Fly 150 "BlowFly 200"
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Old 11-25-2013, 06:47 PM   #15
Yellow Jacket
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Hey Driller, Have you forgotten to update you signature or just lost track of how many scooter you have?
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