2003 Yamaha YZ 125 "scooter starts fine seconds" Questions

...scooter 3 months ago. Top speed was normal around 45km. It runs great .But recently it lost a lot of speed maxing out around 30km.I just got it check out .The spark plugs are good and the compression ...

...scooter it starts fine. but When I try to ride It runs for about 30 seconds And cuts off.I tried all Adjustments on carburetor With no improvement.what Else could it be? Does it have a fuel pump? ...

...fine ? any ideas you should first do a full inspection before you try to get it running. If this is the case, I'd do a compression check first because it's easy to do. First, check the ...

...scooter just fine. The spark must occur at the right time. Just about all scooters made since around 1980 have an electronic ignition. These systems can rarely be set. In general, the spark occurs ...

...turns over fine and sometimes starts for a few seconds but stalls when I give it gas. It is a Tomos Nitro 49 or 50cc scooter. I also think it is a 2008. need to clean the carb with foaming carb ...

...scooter to start? will turn over but not start off electric start, battery charge, fuel etc is fine, kick start is broken so cant use this remove air box cover and air filter. Spray a shot of carb ...

starts fine but shuts off after a while, the scooter runs ok but when the engine sounds quite after I stop giving a gas while moving. all this happened in one time and suddenly. any advice? @ Hi, Amro

...scooter runs fine but the engine sounds really quite when i leave the gas handle while moving.all that happened suddenly in one time. any advice? Hello and happy thanksgiving from the USA.I would ...

scooter that ran fine for 4 weeks. Last week it died out after running for 5 minutes and wouldn't start. The next day same ran fine till it warmed up and shut off. I changed fuel, and filter, same