☀️ How To Derestrict A 125 4 Stroke

269 Answers. Unless you find a small "restricting washer" between the head and the exhaust pipeThen usually there is no easy means. In the past these "washers" were put in place to reduce performance, the idea was as the riders skills improve the washer can be removed. It also was a way for parents to keep their children from zooming flat How To Unrestrict S Scooter For More Power Piaggio ET2 50cc Vespa Respray . In this video we remove the restrictions on a 50cc scooter.If you would like to s To derestrict, the blue wire coming from the CDI unit is disconnected at the bullet connector. The wire that comes from the speed sensor in the housing is simply tied back into the loom. Best to tape the connector. The blue wire from the CDI unit now needs a switched live. Location: Slovenia. Mar 3, 2015, 6:57 AM quote. Hi, Primavera 50 2stroke does have restriction on the exhaust. It is located on the inner side of exhaust. It is like a metal hose that goes nowhere. Cut it off and close the hole. If you want aftermarket exhaust I would recomend Sito Plus. Increasing top end 125 4 stroke I have a 4 stroke lexmoto i was wondering if someone can help me work out wether i should derestrict the exhaust or not, or maybe also the engine any help would be appreciated. Detach the carburetor from the intake valves and remove from the motorcycle so that you can access the intakes of the cylinders. Fit a restrictor ring inside the front cylinder intake, you will have a ring with you that will reduce the amount of speed and air that gets through to the carburetor, therefore slowing down the motorcycle. Step 1: Removing the air addition circuit. This new air circuit makes the bike run too lean when derestricted; in order to properly derestrict or even begin to tune the scooter we need to remove this system. There are a couple of options to disable the system: Block it: you can just block the pipe. Cut the air pipe shown in the above pic a few Fixed air jet I went down to 260 mains. Regarding noice levels my 3ma3 std as from factory twice as quite as my 3ma track bike with bottom half airbox. The airbox relly helps to get noise levels down. In my view it reduces noise by 50% at least. Edd. Logged. Sachs roadster 125. xvs 125 resurrection bobber. Posted July 12, 2009. is it 2 stroke or 4 stroke? if its 2 stroke. performance exhaust, air filter, remove washers, rejet carb, uprated spark plugs, differant front sproket, uprated cdi, reboreing. if its a 4 stroke. new exhaust, air filter, rejet carb, uprated sparkplugs, uprated cdi, differant Hi It is only the last couple of years where the exhausts have been a bit shit. The flat spot caused by the cdi unit is massive. The bikes generally have difficulty pulling through it in any gear. Somewhere I have a graph showing the ignition curve for the RS125, and it is something stupid like 15 degrees of ignition The only downside is the seat height which for a learner bike is quite high. However it's great fun and leaves you smiling after every ride. Ride quality & brakes 5 out of 5. Engine 4 out of 5 Dial in your carbarator by adjusting the Air/Mix screw. 5. Enjoy your vespa the way it should be enjoyed. The manual says to use a 6823.08 slide but my 1986 PX125 has a 6823.11 so you can easily try both but make sure it does not have the cutouts because even the 6823.11 has two types. EZ1z55.

how to derestrict a 125 4 stroke