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Old 07-05-2013, 12:02 AM   #16
brianwheelies
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I have a love/hate relationship with mine.

These are some of the most complex 2 wheelers out there. When something goes wrong you have a lot of pieces that can fail.

When running good it is pure love and excitement.

Mine routinely sees mid 50's mph with mechanical derestrictions on my Piaggio engined SR with Leo Vince ZX-R pipe.
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Old 07-08-2013, 07:31 AM   #17
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I picked up a 2007 this spring with 100 miles on it. Its been de-restricted and huals my 200lbs arse around pretty dang good. Ive put about 600 miles on it and it is an unbelievable machine for 50cc. I also have a 2004 Zuma 50 for the wife and the brakes and technology are just soo much different on these machines. I have a Leo pipe and some lighter rollers and it pulls me sitting upright at 48mph all day long and gets 80 mpg, and carries a passanger as well. Pretty amazing scoot
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Old 07-08-2013, 01:58 PM   #18
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Originally Posted by johnyrrr View Post
I picked up a 2007 this spring with 100 miles on it. Its been de-restricted and huals my 200lbs arse around pretty dang good. Ive put about 600 miles on it and it is an unbelievable machine for 50cc. I also have a 2004 Zuma 50 for the wife and the brakes and technology are just soo much different on these machines. I have a Leo pipe and some lighter rollers and it pulls me sitting upright at 48mph all day long and gets 80 mpg, and carries a passanger as well. Pretty amazing scoot
Completely unrelated, Burgman skelly... any pics?
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Old 07-08-2013, 02:23 PM   #19
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Wink

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Originally Posted by brianwheelies View Post
Completely unrelated, Burgman skelly... any pics?
What's unrelated? I'm talking about my 2007 SR50 , sorry I thought we were talkin about SR's
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Old 07-08-2013, 07:10 PM   #20
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Quote:
Originally Posted by johnyrrr View Post
What's unrelated? I'm talking about my 2007 SR50 , sorry I thought we were talkin about SR's
what he meant was his next statement/question was unrelated to the thread @ his question on the Burgman pictures

I was working on my sr50 ditech this weekend, I pulled stator cover off and slotted the mounting hole of the magnetic pickup to advance the initial timing, can`t tell much different, maybe a little sharper but that could be optimistic
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Old 07-09-2013, 04:19 AM   #21
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Originally Posted by Valimagdon View Post
I always considered the SR50 to be the best 49cc scooter in the world. I had an '01 SR50 Ditech as my first real 2-wheeler, and it never let me down. Not to mention fast. Get it.
You're one of the very few that had no issues with the DiTech version.

I know a dealership which sold over 400 of them, most had issues all the
time.
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Old 07-09-2013, 04:21 AM   #22
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Originally Posted by novaboy View Post
Hey folks,

Looking at picking up a used 2007 with 3500kms on it. Owner has it de-restricted with a new exhaust on it. Seems like a nice runabout scoot. Looking for other owners opinions.

I'm trading my XR250R for it, so my wife and I can share it. Be nice to have something small and simple for around town instead of taking out the big Strom.

As long as it's not the DiTech version (FI), it's one of the best scooters
(50cc hi-performance water cooled stuff) in the world. That and the
Piaggio NRG, Gilera Runner (just not PureJet, same reason) and Yamaha
Aerox.

The FI versions also had less power (4,5-5hp) compared to about 6hp
on the carbed versions. These will do true 50mph without any mods.

Drop a Leovince ZX or RR exhaust on there, and you get 15-20% more
power and 5mph more.
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Old 07-09-2013, 04:24 AM   #23
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Quote:
Originally Posted by gore-tx View Post
The 2007 SR50 Ditech is a fuel injected scooter so I don't know how much de-restricting he actually did but it can't be much. They are pretty good fun but they're still slow (it's only a 50cc). The better ones are the older carburated ones. You can make them go really fast (trading some reliability in the process). There was also a 70cc Malossi kit that was available for the carburated SR50.

I rode an SR125 (2 stroke) about 10 years ago and that thing was crazy fun!
+1

There was also a SR150 (and can never forget the Gilera Runner SP180,
also a 2 stroke with 19hp) but those things got the same MPG figures as
1000cc big bikes.

The FI versions were derestricted using some sort of computer & software
(peugeot scooters like the jetforce 50 tsdi used a GameBoy and a special
cable), but that was just for the 30mph restriction that we have here.

The FI versions of these scoots also don't react well to aftermarket exhausts.
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Old 07-09-2013, 04:25 AM   #24
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Originally Posted by novaboy View Post
Ya your right 75 kph was my max speed tonight. My wife should be able 80, she's 65lbs lighter. Awesome little ride though, real head turner, especially with the pipe
Only thing is.. more (or less) weight will affect acceleration and not the
top speed.
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Old 07-09-2013, 04:26 AM   #25
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Ah, I can see it's already at home.

Make sure you have a big stock of new spark plugs.
They can go through a spark plug in 300 miles.
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Old 07-09-2013, 06:54 AM   #26
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My bad sorry, I am still working on the bike but will soon have some pics of the skelly Burg



Quote:
Originally Posted by mwlehman View Post
what he meant was his next statement/question was unrelated to the thread @ his question on the Burgman pictures

I was working on my sr50 ditech this weekend, I pulled stator cover off and slotted the mounting hole of the magnetic pickup to advance the initial timing, can`t tell much different, maybe a little sharper but that could be optimistic
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Old 07-09-2013, 11:40 AM   #27
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I have the Purejet and it had its teething problems but it's back on the road and with just the pipe and lighter rollers I see mid 50's on the speedo average.

I haven't derestricted my ECU which is good for a few extra mph.

The bike is such a blast. Love the fact that you can easily roll with 45mph traffic.

Going for the variator next.
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Old 07-09-2013, 11:41 AM   #28
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Quote:
Originally Posted by johnyrrr View Post
My bad sorry, I am still working on the bike but will soon have some pics of the skelly Burg
Definitely do a new thread. Could be awesome!
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Old 07-09-2013, 12:12 PM   #29
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Quote:
Originally Posted by Cortez View Post
+1

There was also a SR150 (and can never forget the Gilera Runner SP180,
also a 2 stroke with 19hp) but those things got the same MPG figures as
1000cc big bikes.

The FI versions were derestricted using some sort of computer & software
(peugeot scooters like the jetforce 50 tsdi used a GameBoy and a special
cable), but that was just for the 30mph restriction that we have here.

The FI versions of these scoots also don't react well to aftermarket exhausts.
There is a huge increase of performance with an aftermarket pipe!

Also, the gameboy and cartridge can be plugged into the port behind the headlight or the ecu itself to load derestricted maps which are then put into development mode for full power.

If anyone wants the real deal on these scoots go to the af1-racing forum. Otherwise you may be fed a great deal of misinformation.
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Old 07-09-2013, 12:16 PM   #30
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Originally Posted by Cortez View Post
Ah, I can see it's already at home.

Make sure you have a big stock of new spark plugs.
They can go through a spark plug in 300 miles.
Where are you getting this from?

Regarded, I only have 1,700 miles on my bike, it has never fouled a plug. This requires proper injector oil usage and some plugs run very clean like the NGK ZMR7AP.
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