How do you remove a carburetor from a moped?
Wedge a screwdriver in-between the carb body and the engine case and wiggle the carb free. Loosen the two screws holding the top of the carb on. Pull the throttle cable and top of carb free from the carb. Remove the carburetor through the bottom of the sub frame.
How do you remove a moped exhaust?
Tug gently to remove the muffler. Support the exhaust pipe with your hand so it comes off evenly with the muffler. The header pipe, which rests on top of the engine itself, may get snagged on a structural member or a radiator vane. Gently work the pipe back and forth to free it.
How do you remove a variator ring?
To remove the variator, you need an impact wrench… You will simply turn the motor with a wrench, IT MUST BE IMPACTED OFF!!! If you need to take the clutch off, simply hold the back brake on while removing the bolt. Once you have the variator off, you will notice a washer located between the two halfs of the pully…
How do I Derestrict my moped?
How to Derestrict a 4-Stroke 50CC Scooter
- Detach the kickstart from the variator system.
- Open up the variator system.
- Disengage the front pulley wheel from the pulley system.
- Extricate the washer from its position around the front pulley rod.
How do you remove the variator from a scooter?
Unscrew and remove the two bolts holding the plastic cover of the intake box if your scooter has one. Some scooters do not have this covering, in which case you can directly access the variator box from the outside of the scooter. Unscrew and remove the bolts of the variator case lid. There are six bolts around the edge of the box.
Is there a way to remove the catalyst from a scooter?
The easiest way to remove the catalyst of your scooter is to replace the stock exhaust with an aftermarket model. Alternatively you can attach the exhaust of the same scooter model without catalyst (Minarelli and Piaggio engines have usually equivalent models with a non-cat exhaust).
How do you remove the governor on a scooter?
Take the faceplate off of the front pulley wheel to access the governor washer. Pull the governor washer off of the pulley rod by hand.
Can a Piaggio engine be derestricted on a 50cc Scooter?
This is just a general note and depends on your scooter model. Also, this is only valid for the 50cc models. There are some bigger engine scooters with restrictions but it is very untypical for them to be restricted. Piaggio engines usually have the dummy pipe and the variator ring applied.
Are there any problems with the Yamaha Riva 180?
Starting problems with the Riva 180 Here, I’m speaking mostly of the Riva 180, manufactured from 1983 – 1985. This scooter is famous (or infamous) for the “starting problem”. It has a very complex carburetor/starting system. Maybe this system worked ok when the scooter was new but nowadays after more than 15 years, it can have problems.
How does a Riva 125 / 200 carb bystarter work?
Riva 125 / 200 carb bystarters. The bystarter is an electrical device that controls the flow of air into the starting circuit. When the scooter is cold, the bystarter lets air flow into the starting jet. This creates a richer mixture (higher fuel / air ratio) so the scooter can run better when its cold.
What are the solenoids on a Riva 180?
Aside from the usual setup (carb, coil, etc), the Riva 180 has two solenoids, something called a bi-metal control valve(BCV), a mixture control valve, a thermo sensor, and a black box control unit for the solenoids. There are something like 9 hoses going to the carb.