Motorcycle engine - parts
Flex Tech Topspeed 50 4T - Page 4
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2016-05-12, 08:14
Daniel
Cylinder and piston good quality but rings unfortunately not. After 150 km of mileage the gap of the rings after inserting into the cylinder was 3.2 mm Yes does not lie. The engine did not smoke but did not have its power. The solution to this was to put on rings made professionally from good quality materials. The cored rings lasted 13,000 km in a Chinese scooter. In my opinion, it is worth it to buy the made-up rings for 40 PLN than to take apart the engine every 2 weeks.
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2016-05-12, 08:14
Daniel
Cylinder and piston good quality but rings unfortunately not. After 150 km of mileage the gap of the rings after inserting into the cylinder was 3.2 mm Yes does not lie. The engine did not smoke but did not have its power. The solution to this was to put on rings made professionally from good quality materials. The cored rings lasted 13,000 km in a Chinese scooter. In my opinion, it is worth it to buy the made-up rings for 40 PLN than to take apart the engine every 2 weeks.
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2020-08-21, 13:17
Artur
Toros Fresco 50 scooter purchased cylinder in the store made of good quality materials. Everything fits elegantly , there were no problems with installation. Now nothing but to ride. I recommend to everyone.
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2025-05-12, 09:27
Jukka
It's OK. Suitable for Kymco agility without problems. Otherwise just a standard aluminium cover - use half the official torque, exhaust manifold bolts preferably 5 Nm tighter than the recommended torque, etc.
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2019-05-24, 09:51
Wojciech
The head is perfect.Very good quality workmanship.Hassle free installation .One note, it would be good if the valves were lapped.I am not attaching a picture as I would have to take the scooter apart
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We have Motorcycle engine - parts to Flex Tech Topspeed 50 4T - Page 4
- Flex Tech Topspeed 50 4T 2011
- Flex Tech Topspeed 50 4T 2012
- Flex Tech Topspeed 50 4T 2008
- Flex Tech Topspeed 50 4T 2010
- Flex Tech Topspeed 50 4T 2009
- Flex Tech Topspeed 50 4T 2013
- Flex Tech Topspeed 50 4T 2014
- Flex Tech Topspeed 50 4T 2015
- Flex Tech Topspeed 50 4T 2016
- Flex Tech Topspeed 50 4T 2017
- Flex Tech Topspeed 50 4T 2018


