250cc cheap motor bike

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1. My Scooter is Not Charging

   Make sure the fuse in scooter is good.
   Check the wires behind the fuse holder and the charging jack. Sometimes they come loose.
   My Scooter is Hard to Start?

   Is the spark plug dirty? Clean or replace it if its dirty
   Make sure the carburetor and the intake manifold are tightly secured to the engine.
   Check the gasket between the carburetor and intake manifold. Sometimes the gasket is bad and caused leak. Solution: replace new gasket or just toss the bad gasket away and screw carburetor back. Try to start again.
   My Scooter Bogs out When I Turn the Throttle ?

   Adjust the screw with the spring on the side of the carburetor. Clockwise to reduce gas flow and counterclockwise to allow more gas follow. Usually bogged down is caused too much gas going thru the carburetor.
   Give time for it to warm up.
   If that does not solve the problem, you need a new carburetor.
   My Scooter is Leaking Oil From the Carburetor & Muffler Areas

   Check the gasket between the carburetor and intake manifold. It might be bad or maybe the carburetor came loose due to engine vibration.
   My Electric Start Wont Work?

   Make sure the squeeze the left handle brake while pressing the electric button.
   When the electric start make clicking noise, it means your battery is weak
   Check the fuse.
   Is your key switch good?
   Is the electric start giving out a burnt smell? You might have a burnt out electric start. Sometimes there is no smell.
   My Engine Froze

   The cause is lack of oil getting to the piston and needle bearing areas. Certain oil cant cling on when the engine get too hot. As a result, the needle bearing fell apart inside and caused the engine to cease. You can buy a new a engine or try to rebuild it? Be sure to always maintain proper engine oil levels to help prevent this from happening.

   How Do I Adjust My Brakes?

   Brakes can be tightened by the handbrake area by the handlebar or by the wheel area.
   My Scooter is Not Holding Its Charge?

   Using the headlight, electric start and alarm (if applicable) too much will drain the battery.
   Gas scooter does have the ability to charge itself but slowly. An optional charger can be for $25 at any local automotive stores.
   Most new scooters would have a full charge and it would be display on the battery gauge. But in time, the batteries would loose their ability to hold a full charge. That’s normal!
   Sometimes charging the batteries too much even when they are not low. Most of these batteries charging cycle are around 250-300 times.
   Sometimes store your scooter away for a long period would cause that as well. If the battery power drops beyond a certain point, the charger would not recognize it. Sometimes you could jump start the batteries by using a higher Amp charger.
   My Scooter Has Problem When Running at High Speed

   If the scooter idles well and runs fine at low speed, but has problems at high speed, the problem may lie inside the carburetor with the main jet. The fuel/air ratio at higher speeds is set by the jets inside the carburetor and to get at them the carburetor has to be removed and disassembled. This can be a tricky job as the parts are small and delicate. The good news is that these carburetors are quite cheap. You can get a new one for $60-$80, so if you can’t make your scooter run smoothly and you don’t like the idea of taking the carburetor apart, you can always replace it!

   Comment by marry — 05/12/2010 @ 3:15 pm

2. Scooter Repair

   So you buy a scooter and something breaks. Who is going to fix it? Well, if you’ve bough in person from our retail store in California,? we have access to parts, shop manuals and we will have mechanics trained to fix your scooter. All you have to do is bring them in.

   But what if you are located outside of California, we have a few suggestions for you. You can try contacting local motorcycle (or better still, scooter) repair shops. If they are not very enthusiastic about working on a Chinese scooter, no worry! Have them contact our tech support department directly. We will make sure they will have the easy access to our spare parts and the technical support they need. Remember, we are the only company who actually carries all common parts in stock.

   150cc engine and transmission as used in many Chinese scooters

   You might also get some help from a lawn mower repair shop. They are used to working on small engines and the engine in a scooter isn’t all that different from the engine in a lawn mower. You can also try snowmobile and ATV repair shops.

   CVT (transmission) belt. Price ~ $40. Belt life anywhere from 2500 to 10,000 miles

   It’s not a bad idea to keep a few spares (such as a spare spark plug and CVT belt) on hand, just in case you need them (and eventually, you will). It’s a good idea to remove the CVT cover on your new scooter and read the number on the belt BEFORE you need to change it. Belt sizes vary, even on the same nominal scooter “model” and by the time it fails, the size markings may have worn off! The belt size is usually three numbers such as “835-20-30″. This would mean the belt is 835mm long, 20mm wide and has a cross section with a 30?? bevel angle.

   The best way to avoid needing repairs is regular maintenance, which means changing the oil regularly, changing the fuel filter and spark plug at the proper intervals, checking the CVT belt and air filter, checking the tires and going around the scooter at least once a month and making sure that all the bolts are tight (especially the bolts holding the muffler on). Use the recommended grade of gas (usually higher than 90 octane for most Chinese scooters) and add fuel stabilizer if the scooter isn’t going to be driven for a while.

   Though you won’t find individual repair manuals for every different Chinese scooter, they are all pretty similar and many use the same engines and transmission parts.. There are a couple of books which may help. The Haynes guide is probably the best general reference for the repair of “generic” (i.e. Chinese) scooters. The “Complete Idiot’s Guide to Motor Scooters” is pretty basic and really doesn’t give much detailed information, though it’s not a bad introduction to scooters if you really know nothing at all about them.

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