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Well, finally figured out what that engine noise was on my scooter. I looked at oil- it is OK with no big chunks of metal. I changed gear oil - again no big chunks. Took rear wheel off to inspect it - nothing wrong with it. Than noticed the exhaust pipe was loose. Created an air leak. So the noise was the engine getting louder as I went faster. Sounded like a loud tick tick tick... like the engine was going to fall apart. The exhuast pipe also cracked and broke off a big chunk where it bolts up to the rear wheel. So the exhaust could move slightly down mmaking the upper part that connects in the engine even more loose that could hear engine ticking. I placed a big washer on it for now and tightened up upper piece where exhaust gasket goes. Rode it around town and took out on 50 MPH highway. No more noise. I have one more issue with it. It would not start up the other day. A short.. it is probably in the fuse box. It was as if battery was dead, nothing came on. I checked the battery. It is good. The fuse box has given me troubles from day one. I could order a new fuse box for $15. But a wire is not getting a good connection. The fuses just vibrate from the running engine. At 8 years of owning, it is over due for new parts. I will go ahead and order $400 in new parts.

I listened to YouTube videos on scooter engine noises to find the exhaust leak. It is a little tricky to pin point a noise but mine was not making a noise at idle. It took going about 30 MPH before the noise occurred. Also the warming of the engine made it more obvious. Most people on YouTube could start their scooters and immediately hear noise. Mine was not that problem. And when I rode to Rolla MO, well that is when I lost a chunk of the exhaust bolt mounting portion. It is when the noise became loud. It is hard to tell where the noise is coming from, with a helmet on. I did hear the chunk of the exhaust fall off when riding to Rolla, but could not tell what it was. I did ride around the park with no helmet and could hear the noise coming from the exhaust pipe side.

Well, got a new starter today, for my Bali 250. It did not start when I put it on. I recall the horn coming on and than nothing. Today the brake light came on and than nothing. I checked the fuse box and all was good. Recharged the battery, but only took about 20 minutes for the green light to come on. Put it back in the 250 and nothing. So cleaned on terminals with baking soda and water. Cleaned up cables that connected to battery. Than it ran good.

Now the starter was bad. It made a terrible grinding noise, the last time trying to start it. But it showed me that the wires need cleaning after 7 1/2 years. I could not hear the squeak in it, sitting at idle. Even reved it up and heard nothing. It am leaning to the problem with it, being either a bear or grease being added to the front axel. Can't really hear the squeak at under 30 MPH and must where a helmet at all times, which make it hard to tell where it is coming from.

But a guy has 27,000 miles on a 150T and even if kilometers, well that is about 19,000 miles. Still good for a Chinese scooter.

The rims concern me also. The rims on the 150t are 13 inch. Some scoots come with 12 inch and 10 inch rims. The smaller tire size, means less speed. I knew this elderly gentleman whom rode his 150 scooter with 10 inch rims, 15 miles to Walmart. Could only do 50 MPH max speed. He had about 10 cars behind him. This was the flat ground way also. It would do the mileage and had 21,000 miles on it. Another guy I met on Scootdawg said, it may be KM. But still it was impressive because 15,000 miles is good. So rim size, I did consider for higher speed.

Now there is something you are all forgetting. I am not going to ride it on a daily basis to work. I am disabled and ride for enjoyment. I choose times, when traffic is not as heavy on highways. Highways around me, are posted 55 MPH max. The lowest speed is 40 mph . One does not have to go 70 MPH on the interstate highway. But must do atleast 40 MPH. I am not going to ride a 150 on the interstate highway, just saying the speed laws are limited to 40 MPH. State highways are mainly 55 MPH highways and a person in Missouri on a 49cc scooter, has as much rights to ride on any highway as a trucker except for interstate federal highways. Just stating the laws. Is it crazy to ride a 49cc on a 55 MPH highway and make traffic angry? Yes it is. 40 MPH is the low speed for interstate highways and state highways there is no low speed. So people ride bicycles on state highways. Not sane but cars see it time to time.

I hate to slow traffic down. Why? It causes road rage. Causes unnessisary risks. So I want to be able to do 50 to 55 MPH. The speed limit. Now riding to Walmart every other week is fun but not daily. Riding 6 miles to the next town and riding through the twisting back highways, is not going to offend other drivers. Choosing times to go is important to me to avoid traffic. So like don't leave at 8 in the morning when kids are going to school, people going to work. Leave at 10 in the morning to avoid most traffic. Use common sense. Choose to leave at 1 pm and be back by 3 pm. Not during rush hour.

But that is always my motive whether on a 150 scoot or a 250 scoot.Safety first... I live in Belle MO. a town of mostly farmers. The 15 mile away town is Owensville a town of 7000. The towns in between are 1000 people with state routes. They are 55 MPH routes but traffic is hardly seen in these areas. Routes are like OO, E, EE, 55 MPH highways are like 28, 54, 63. Interstate highways are like I 44, I 70, where speed limits hit 70 MPH. Interstates are closed off to traffic lights and go straight across the State. Highways have cross traffic.

Well think of it this way, you could have a 150 engine that says 250.. LOL But it seems you got a 250 that will take some work. Good luck..

Do Chinese 150cc scooters do up to 60 MPH on the level ground? I own a 250cc scooter and the Chinese claim it will do 68 MPH on the level ground. There is not a big difference in 60 mph and 68 MPH.

Will a 150cc scooter be able to commute distances of 15 miles at 50 to 55 mph?

Is it better to buy a light weight 150cc scooter verses a heavy scooter? See, I thought about buying a Roketa MC 150T scooter that wieghs 264 lbs gross weight verses a Bali 150 that weighs 298 lbs dry weight. My thoughts on the subject of weight, is the more one has, the slower the scooter will go. I am 6 ft tall and 179 lbs. I am not concerned that I weigh to much.

My wife rode a 49cc scooter, 15 mile on a country highway and seemed to have no problems. It was in a less populated area. But she was only traveling 30 mph . We moved since then and though in a small town, the highways are two lane but more people use them. So need to travel between 50 and 55 MPH.

My 250 scooter is 8 years old and I am going to give it to my son. I would normally just buy another 250 scooter but looking at 150's, I looked at prices, prices if had to replace the engine, well, the 150 made more since. $1000 to replace the 250 engine. Only $290 to replace a 150 engine - that includes carburator with 5 other parts.

Roketa claims the 150T will do 59 MPH and Ice Bear claims 62 MPH. Both use the same engine.

Any help would be appreciated.

Yes, the octane I use is 89. Runs great.