What is the worlds fastest motorcycle?
Since late 2010, the Ack Attack team has held the motorcycle land speed record at 376.36 mph (605.69 km/h).
The fastest production motorcycle is the MV Augusta F4 R 312 with a top speed of 193.24 mph (310.99 km/h)
I would try a new spark plug and new gas. Make sure the 2 stroke oil mixture is correct. If it still won't start,worst case, You may need a new piston and ring and maybe a bore. A new top end rebuild is not that expensive.
How many digits is a serial number on a fourwheeler?
Depends on the make, model and sometimes even year