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Cpi aragon derestricting

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Glen18
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Joined: 20 Apr 2009
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PostPosted: 08:37 - 20 Apr 2009    Post subject: Cpi aragon derestricting Reply with quote

i wanna derestrict my cpi i just wanted to know where do i start? its the cpi aragon 2007 50cc 2 stroke any help would be great thanks Glen
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B10Hazard
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PostPosted: 10:13 - 20 Apr 2009    Post subject: Reply with quote

Well most two smokes tend to be restricted through the exhaust.
People with two strokes usually buy a "racing exhaust".
But it could be restricted in other ways to..
Rev limiter.
Washer on the variator...
Many ways, you will need to find out.

Also it's not as easy as just buying the racing exhaust, you will then need to adjust fuelling/air mixture and maybe rollers.

But if it is restricted some other way, it just a pointless exercise.
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Glen18
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PostPosted: 11:00 - 26 Apr 2009    Post subject: Reply with quote

can u not derestrict the exhaust that came with the bike?or?also i found a wash about 1mm thick beween the belt on the variator should i take it off? all so what will be the best roller weight to buy?i want it to set off a little faster. thanks Glen
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Mr.Ormes
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PostPosted: 13:50 - 26 Apr 2009    Post subject: Reply with quote

if you want your bike to have more accelleration, buy lighter rollers. but be warned it will decrece the top speed of the bike. not sure of the washer unless you post a pic.
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Glen18
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PostPosted: 16:56 - 26 Apr 2009    Post subject: Reply with quote

is this the right washer to take off?
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B10Hazard
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PostPosted: 00:27 - 27 Apr 2009    Post subject: Reply with quote

Yep
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lurer
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PostPosted: 12:18 - 28 Apr 2009    Post subject: Reply with quote

my mate has the same bike as you and he brought a de-restriction kit from cpi foraround 150 its worth having a look into that
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Glen18
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PostPosted: 16:55 - 30 Apr 2009    Post subject: Reply with quote

thanks for letting us know bike shop down town said they would do it for 20 for the lot so i cant really moan at that lol how fast does your friends go top speed?
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Old Thread Alert!

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azzerj94
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Joined: 19 May 2010
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PostPosted: 19:03 - 19 May 2010    Post subject: i have this Reply with quote

I also have the same ped but mine has racing exhaust and racing air filters... but it can still only go 40ish apparantly this moped has a rev limiter and its supposedly hard to derestrict so any help would be appreciated... if any1 cud jus tell me how they deristricted it
thanks
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Paddy.
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PostPosted: 19:39 - 19 May 2010    Post subject: Re: i have this Reply with quote

azzerj94 wrote:
I also have the same ped but mine has racing exhaust and racing air filters... but it can still only go 40ish apparantly this moped has a rev limiter and its supposedly hard to derestrict so any help would be appreciated... if any1 cud jus tell me how they deristricted it
thanks


40ish from a moped...50cc is for 16 year olds... you are only allowed like 31mph...so chill Razz

have you adjusted the carb etc?
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cb1rocket
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PostPosted: 19:48 - 19 May 2010    Post subject: Reply with quote

some require cutting the cdi block in a certain place and depth to break the circuit that restricts the rpm limit

This was for my piaggio zip 4t though
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hmmmnz
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PostPosted: 19:54 - 19 May 2010    Post subject: Reply with quote

i put 7gm rollers in the mrs scooter (honda dio) its previous top speed was 55kmh on the flat, with the rollers new top speed was around 80... a bit of a guess, as the scooter went off the clock,
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azzerj94
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PostPosted: 20:03 - 19 May 2010    Post subject: thanks Reply with quote

can anyone send me any links or simply tell me where to find the cdi block, what it looks like and where to cut it
thanks for your help so far
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cb1rocket
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PostPosted: 20:12 - 19 May 2010    Post subject: Reply with quote

You need someone with specific info for that.

The CDI unit is usually located at the other end of the spark plug HT lead.

Mate, don't bother cutting it up until you know exactly where to cut into the block

How mechanically minded are you? Do take this the safe way, you could end up with a dead bike if all goes wrong Exclamation
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azzerj94
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PostPosted: 20:22 - 19 May 2010    Post subject: Reply with quote

i think i should leave it then Razz i have next to no knowledge of moped mechanics, so thanks for al your help. also does anyone know if a garage would cut the cdi unit for me
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cb1rocket
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PostPosted: 20:33 - 19 May 2010    Post subject: Reply with quote

starting with the basics would be to remove the washer between the pulley and variator, thats an easy job.

Next is to remove the washer in the exhaust or fit a racing exhaust.

Then last is the CDI, IF it is restricted, not all CDI are restricted.

What have you done so far? I'm quite happily to go through the basics. Bear in mind I have no speicfic info but peds are generally restricted this way

Garages can do it, but only if they are happy and know what and how and where are the restrictions?

So really to all forums member, who has this bike and what was done?
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azzerj94
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PostPosted: 20:42 - 19 May 2010    Post subject: Reply with quote

its got a racing exhaust fitted but im not sure about the bolt in the variator... and it basically reaches an amount of revs and a red light comes on and i cannot exceed that amount of revs even though its capable of approx. another 8000 rpm
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cb1rocket
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PostPosted: 20:49 - 19 May 2010    Post subject: Reply with quote

i found the offical importer of these chinese bikes and as far as my research goes and according to what another member said - they do a sell a kit that has parts for the purpose of de-restriction

There number is here

http://www.cpimoto.co.uk/

there are also dealers about to that sell them as well
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azzerj94
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PostPosted: 20:54 - 19 May 2010    Post subject: Reply with quote

thanks ever so much mate
much appreciated
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azzerj94
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PostPosted: 21:02 - 20 May 2010    Post subject: Reply with quote

hi again everyone... last night i was asking how to find the CDI unit on my moped , good news is i've found it thanks to your help. it has 5 wires coming out of it not sure what there for. could anyone tell me how/ where to cut the unit to eliminate the restriction my moped has?
thanks
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cb1rocket
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PostPosted: 13:38 - 21 May 2010    Post subject: Reply with quote

have you enquired about the kit first? Its probably a new cdi that replaces the old one. My very first honda scooter was like this
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azzerj94
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PostPosted: 12:15 - 22 May 2010    Post subject: Reply with quote

on a lot of moped sites you can buy replacement cdi units which have no rev limiters installed. however, i'm unable to find one for my moped, i can find new cdi units but all of them have rev limiters installed??
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azzerj94
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PostPosted: 12:23 - 22 May 2010    Post subject: Reply with quote

also does anyone know if a 125cc CDI unit would work in a 50cc moped ? and would it allow the moped to get to higher revs ?
thanks for all the time and effort
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gazeddy
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Joined: 18 May 2010
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PostPosted: 13:13 - 22 May 2010    Post subject: Reply with quote

generally on the chinese bikes ive come across the cdi units providng the plugs are the same will work. unless its a 4stroke
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azzerj94
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PostPosted: 14:36 - 22 May 2010    Post subject: Reply with quote

would buying a 125 cc unit make the moped capable of reaching higher revs ?
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Old Thread Alert!

The last post was made 3 years, 338 days ago. Instead of replying here, would creating a new thread be more useful?
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