Derestricting my moped

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

Hey I would like to know of the ways i can derestrict my moped, I've looked all around the internet but I can't find anything useful for my particular moped (maybe I haven't looked hard enough but thats besides the point)

I have a peugeot fox from either 1994 or 1996 (can't tell when) and I would expect that not many of you would have heard of it as it is imported from germany

The top speed i can get from it is around 35mph and I was wondering if anybody would know how I could make it go any faster as I am getting a little tired of getting overtaken all the time, even by fellow bikers

I appreciate any of your help or comments and sorry if its in the wrong forum thing, this is my first post and also sorry if my spelling or grammar isnt that good either haha I was never any good at english

but yeh anyways, any help would be appreciated so thanks

MaybeGuy · Super Spammer Joined: 12 Mar 2007 Karma :

theres another identical post to this somewhere else, a peugeot mechanic replied, have a search
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Kickstart wrote: Hi I tend to agree with Matt. All the best Keith

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

ah right k, il av a look cheers

numpty · Scooby Slapper Joined: 20 Jun 2006 Karma :

Moped restriction is usually very simple. The normal method is a small diameter tube inside the exhaust that restricts the flow of gas, hence restricting the power. This can be dealt with by either A) removing the exhaust and drilling out the tube, or B) getting a new exhaust system. A new exhaust can be picked up for around £60 so its hardly breaking the bank.
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Current bike: CBR600F-Y

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

how would i remove the exhaust and drill out the tube

sorry if thats a stupid question, I've only been riding for a few months which makes me a newbie so yeh

numpty · Scooby Slapper Joined: 20 Jun 2006 Karma :

Normally there's 2 bolts holding it onto the cylinder with another bolt holding it to a hanger on the back of the bike. There should be an illustration in your manual showing you how to take it all off.
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Current bike: CBR600F-Y

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

OK cool thanks!

I'll take a look at it tomorow nd see what I can do, cheers for the help

and also, would drilling a hole in it make it louder? or decrease its reliability? or cause longterm damage to the engine in the future? or anything like that?

cheers

Alexxx

numpty · Scooby Slapper Joined: 20 Jun 2006 Karma :

It would make it louder and could possibly make the engine run a bit lean. They wouldnt really be an issue though as ped engines are virtually bombproof.

Word of advice though, take it to a garage and get the cutting out problem sorted first before you start messing with the exhaust. While you're there you can ask them about de-restricting it lol
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Current bike: CBR600F-Y

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

lmao i just realised iv bin talkin to the same dude in different posts! :P

but yeh dat aint a bad idea, I might give that a try (if i can convince my dad to let me derestrict it whcih shouldnt be too hard :p)

hes all worried bout the dangers of bikes nd all that

so yeh

cheers for all your help

Alexxx

numpty · Scooby Slapper Joined: 20 Jun 2006 Karma :

the way I got round that one was by saying;

'look, would you rather me be 100% legal and be put in danger everytime I go out by people overtaking me in stupid places or for me to be slightly illegal but be way safer as I'll be able to keep up with the flow of traffic and wont have people overtaking all the time?''

worked like a charm Twisted Evil

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Current bike: CBR600F-Y

binge · Emo Kiddy Joined: 03 Jul 2004 Karma :

Im guessing this scooter is a 2 stroke.
If so, DO NOT Drill any holes in your exhaust. 2t engines rely on exhaust back pressure and an expansion chamber to run correctly. Drilling a hole in the pipe will mess with the pressure balance and you will loose all the power.

Majority of 50ccs are restricted on the exhaust pipe. 9/10 on a stock pipe, there will be a blank hose coming off the pipe, which is crimped off at the end. It leads to nowhere. This basically "hogs" all the back pressure and de-tunes the engine.

The other restriction is usually in the variator, It basically stops the scooter from reaching its higher "Gears". thus restricting you to 30mph.

De-restriction is about £60 at a shop. if you cant take your exhaust off, then im pretty certain your not going to be able to remove the blank pipe and weld it up.
Not split the variator.

Take it to a workshop mate. Its your best bet.

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

OK then, guess il take it to the workshop

but would the workshop do it? knowing that itd be illegal to derestrict it, or would they not give a monkeys arse and do it anyways coz im payin em lol

Alexxx

numpty · Scooby Slapper Joined: 20 Jun 2006 Karma :

It varies between places mate. When I had mine done my dad had to sign a disclaimer saying that it was being done for him, I would be riding the vehicle and that we basically can't sue the dealer if we get caught.
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Current bike: CBR600F-Y

matthab · Crazy Courier Joined: 04 Dec 2005 Karma :

I never got my ped derestricted and it was awful. I had enough power to get to 30 quickly but after that it was terrible. Cars doing stupid things everywhere.

Id take it a dealer to be derestricted then they could make sure its running perfectly etc
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2005 - 2006:Peugeot jet force 50 TDSI (sold)
2006 - Present: Yamaha YBR125 06 (extras:pilot sporty tyres and screen)

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

ok i looked in ma ped and i cleanded out the air filter (or what i thought woz the air filter) and i noticed that there woz two holes for the air to go in, if i drilled this would it do anything?

i also looked at the exhaust and it looked like it was just a massive expansion chamber, i dont think there is a washer but i dont know

cheers ma dears for any help (again)

Alexxx

Odie · World Chat Champion Joined: 24 Jul 2004 Karma :

The easiest way is "TO BUY A BIGGER BIKE WHEN YOU ARE OLD ENOUGH", the law is there for a reason, dont mean its right, but if you do de-restrict it your insurance will be invalid!
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edd · Nearly there... Joined: 06 Jul 2005 Karma :

Alexxx · Derestricted Danger Joined: 24 Apr 2007 Karma :

yeh I take mine to my girlfriends a lot (about 13 miles) and on the way there are a few main roads where it does get quite dangerous with lorries overtaking me, I also make a lot of traffic which can't really be good

so I have decided to convince my parents to take it to a garage and see what they can do like fitting a race exhaust or something like that

and if that fails then I will have a go at doing it myself

Odie · World Chat Champion Joined: 24 Jul 2004 Karma :

Mini_Stalk · Renault 5 Driver Joined: 06 Jan 2007 Karma :

Is derestricting mopeds the same with all mopeds.

David
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SR 125 Rat

grassby2001 · Renault 5 Driver Joined: 26 Mar 2007 Karma :

over the last 14yrs i've had loads of bikes ar80 + 125's 350's 400's 600's but last yr i got a cheap 50 that did 30-35mph i de-restricted it one night at mates garage and i was used to the slow acceleration up to 30... but on the ride home it made me s*it myself (not literally) it got to 0-60-65 in the same time as 0-30 before..
so if you do de-restrict it becarfull
wouldn't want you (or anyone) to become a statistic..
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