Want the ultimate in pocket bike upgrades? This Big Bore Kit Stage 2 Cag replacement motor is what your looking for.

Features

• Replacement part for chineese / CAG pocket bike or ATV
• 51/52 CC, 2 Stroke Engine, easy replacement for many pocket bikes.
  
• Pull Start for case reed pocket bike induced engine
• Complete engine kit, just replace the current one in your bike and its like you have a new bike with a HUGE fast engine.
• Replacement for MTA-1 ( Cagllari), MTA-2 (MX-3), MTA-3 (GP-RSR), 4 Wheeler ATVS, MTA-4 (A-4 Quattro), S4- Cobra, Evolution, Blade, Raptor, Teriminator, Giovanni and Zemmi, 2 stroke pocket bikes, ATV's or dirt bikes.
• 51 CC 2 Stroke Engine (Big Bore)
• Full Metal Pull Start
• Upgraded Performace Carburetor ($40 value)
• Ignition Coil
• Performace Spark Plug
• Performace Clutch
• Performace Air Filter
• 6 tooth sprocket