Visited the RRGS factory and took out one of their 10 year old moth balled project bikes.
It happens to have the very GY6 i will be building for the ruckus guys.
Slightly longer stroke at 4. something mm, which takes the engine towards 200cc.
This bike is in a right state (it even has a horrible front end which i believe they still sell for the ruckus!) its also around 20kgs heavier than a ruckus..
Video really doesnt show how fast it is, its very viscous and smooth, i really like it alot, makes a great