150cc chinese scooter

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1. 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.

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

2. Scooter Brake-In

   Different manufacturers recommend different break in procedures. For example most of our scooters manufacturers recommend the following:

   0-150km maximum speed 30km/hr
   151-300km maximum speed 40km/hr
   301-800km maximum speed 50km/hr
   801-1500km maximum speed 60km/hr
   Of course the speedometer is calibrated in mph and the odometer reads in miles, so some translation is needed. In round numbers these instructions correspond to:

   0-100 miles maximum speed 20 mph
   101-200 miles maximum speed 25 mph
   201-500 miles maximum speed 30 mph
   501-1000 miles maximum speed 40 mph
   What we recommend is to use the “ride it like you’ll ride it (but gently)” technique. That involves riding pretty gently for the first 25 miles (speed under 30 mph, revs under 4000 rpm), then changing the original Chinese engine and transmission oil. The original oil might be OK or it might be “cheap and nasty”. You have no real way of telling, so change it, then you’ll be sure. You may replace the original oils with Castrol GTX 10-30W in the engine and Castrol Hypoid 80/90 gear oil in the transmission. For the next 175 miles (25-200) you still should take it quite easy with no rapid acceleration, keeping the speed down below 40mph or 5000 rpm, then go ahead change the engine oil again. Since there is no real oil filter (the “filter” is just a mesh screen), changing the oil during the break-in period makes sense since it removes small metal particulates that the filter just won’t catch.

   During the break in period try to vary the engine speed as much as possible. This isn’t particularly easy with a CVT scooter since they tend to try to keep the revs pretty constant and change speed by changing the gear ratio. It is good to speed up and slow down and not ride at a constant throttle setting for long periods. Also avoid rapid starts and let the engine warm up for about a minute before moving off when you first start the scooter from cold to allow the oil to circulate. This is good advice even after the initial break-in period too.

   It’s probably not a good idea to use synthetic oil during the break in period. Good old dino (dinosaur!) oil is probably what you should use. Synthetic oil may be too slippery and not allow the parts (mainly the piston rings) to “bed in” properly. We suggest to stick with the manufacturer’s recommendation (typically 10-30W) until after the break in period of 500-1000 miles. Then you can switch to a synthetic blend if you want to. Amsoil make a synthetic oil which they claim is specially designed for scooters.

   Our break-in technique is to gradually increase speed over the next 300 miles (201-500) and at 500 miles do another oil change. After break-in, the engine oil should be changed at least every 1000 miles as part of normal routine maintenance.

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

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