SOURCE: de-restrict an aprilia rs 125. Hate to disagree with tina783, but you may have restrictions in place, there is two on the aprilia rs 125. if your on a L plate then the bike should be restricted to 11.5w of power, which is about 15 bhp, when it's de-restricted should be around 34bhp. First is the power valve or a RAVE Valve as some How do i derestrict a cagiva roadster 125 2 stroke. The engine is practically the same as a mito , except its air cooled and has no power valve . it sits at 80 but i have read on cagiva forums that they can be deresticted and will top at 110, now i am a 27 year old that wants to play with my toy so all positive help is very welcome. Posted by First you should clean the power valve to remove built up carbon and rubbish. The wire is located near the Yabbard under the Gulloide Monk. This must be lifted out and the accumilated dog detritus 4 stroke 125's are not restricted. It's only 2 strokes that need to be restricted. With a 4 stroke 125 it has been built to make the 14.6bhp, and that's all you will get regardless of de-catting, race exhausts etc. etc. You'll just make it hugely unreliable for a 0.5bhp gain. Don't bother. One option if you want to keep at the 125cc size is to change to a bike with a manual transmission like the bigger motorbikes. Some of these bikes can get closer to 100mph but most 125cc bikes and scooters all tend to max out at 70mph. At higher speeds the manuals don't sound like they are working as hard as a scooter does. Scooters can get between 100 and 120 mpg, so that leaves us at an estimate range of 132 to 158.4 miles or 212 to 255 kilometers. How fast can a moped go? Most states classify a moped with a 50cc or less engine and a maximum speed of 28-30 miles per hour . Derestricting a Yamaha Tzr 50. This post is not being displayed . Has anybody on here ever derestricted or knows how to derestrict a Yamaha tzr 50? I’ve had the bike since I was 16 (I’m turning 18 in 6 months) and right now can’t afford a new bike and honestly I am quite attached to it so wanted to derestrict it just to get that little In that instance you can easily remove the restriction to make the bike have the power that it naturally should have had from the factory. The fact is your Suzuki address is exactly as it was Post by mattack onAug 14, 2011 at 6:38pm. Cut one of the two violet/pink wires going to the cdi! Free and will get you from 30 to 37mph! The cdi is behind the battery. Check your variator boss, some kymco super 8s come with the restricted variator. Lastly up your main jet from the 78 to an 80 or 82. 150cc '08 Baron Merato 150T. Derestrict a derbi gpr 125 4t? I don't think you can derestrict it because its 4 stroke the only way to really get it any faster is to get a 182 kit for it but then your sacrificing reliability jG3eD.