ZTMoto Phantom 85 Engine Bottom End Only (No cylinder/head)

Problems with your 2 stroke bicycle engine but don’t want to buy a complete replacement kit? This bottom end engine only includes the full 85cc engine minus the cylinder and head. Enjoy all the same features of the complete ZTMoto Phantom engine kit.

• 52mm Bore, 40mm Stroke - Actual U.S. engine displacement: 85cc
• Approximate engine dimensions: 9" x 9" x 5"
• Long rod (89mm)
• 40mm crank stroke (more powerful, efficient, and reliable)
• Large intake port (40mm bolt hole width)
• Oversized round exhaust port - 28mm diameter, 60mm stud spacing
• High end stainless steel allen bolts
• Needle bearing for piston wrist pin
• Balanced crank