Why does my 150cc scooter die when hot?
If you’re running way too lean, you’ll cook you piston. Lean engines run a lot hotter and the knock knock you hear before it dies may be a severely overheating motor that is one step from seizing up on you. a few miles until it does it is not good and it sounds more like an oil passage or air cooling blockage to over heat it that fast.
What to do if your motor scooter won’t run?
You need to check that it too has a little 0.004 clearance to ensure your scooter is running to its optimal performance level. This video by Rouse Garage will show you the process on a 50cc scooter with a common engine layout, you may find your scooter has a slightly different layout.
Why does my motor scooter keep idling?
An intake leak really messes up the air/fuel ratio on your scooter and this can cause idling issues or worse, piston damage. TOP TIP: The first place to check would be the rubber intake hose (boot) which passes fuel from your carburetor to the cylinder head.
Can a motor scooter be rebuilt without a carburetor?
Once you are happy that the bottom half of your carburettor is clean and the parts you have removed are securely back in place, you can get to work on reassembling the two halves of your carburetor. With the two halves of your carburetor in place and freshly cleaned up, you are now ready to rebuild your scooter.
If you’re running way too lean, you’ll cook you piston. Lean engines run a lot hotter and the knock knock you hear before it dies may be a severely overheating motor that is one step from seizing up on you. a few miles until it does it is not good and it sounds more like an oil passage or air cooling blockage to over heat it that fast.
Why does my scooter slowly stop running after 1500 miles?
The problem is a valve adjustment and it seems to rear its’ ugly head starting somewhere around the 1500 mile mark. When the engine is cold and the valve adjustment is too tight, but not so tight as to keep the exhaust valve open, the engine will start.
When did my 50cc GY6 scooter start having problems?
I purchased it new in the crate in 2013 as a left over from the dealer. It is common for 50cc GY6 Scooters valves to need adjusting every so often. My scooter had about 500 miles on it when the trouble began. Within 3 mos. and 200 miles later, it was so bad that I started replacing parts.
Why does my rocketa scooter slowly stop running?
I have a 2011 Rocketa 49.3 GY6 139QMB and have replaced the carburetor, petcock valve, CDI, all of the vacuum lines, adjusted the air flow and gas until it idles perfect and then, when I take off, it makes it two blocks, bogs down and dies! It will continue doing this about 5 or 6 times and then start running good but not great.