• A new internal shaped crankcase for better power
• A new rear-cover with thrust plate reduces friction against the connecting rod to extend its life.
• The new DLC coated crankshaft has two tungsten counter weights for smooth rotation and the best balance
• A newly designed 3-port cylinder& piston set
• The inner head with an silicon O ring for reducing vibration and preventing dust
• Long stroke 16.8mm engine
• Ceramic Main-Bearing

Specifications: 
Displacement: 3.46cc 
Output: 2.68ps @ 34,000 rpm 
Bore: 16.27mm 
Stroke: 16.80mm 
Practical RPM Range: 4,000 ~ 42,000 rpm 
Weight: 352g