This is a replacement Dynamite 3650 6-Pole Marine Motor. 

Features:

• 6-Pole Design
• 2000kV
• Water-Cooled
• 5.5mm Motor Bullets

Specifications:
Type: Brushless Inrunner Marine
Bearings or Bushings: Bearings
# of Turns/Windings: 1.5-D
Timing: 7.5 degree Maximum
Voltage: 7.4-22.2V
RPM/Volt (Kv): 2000Kv
Cells: 2-6S LiPo
Speed Control: 120A
Weight: 10.4 oz (294.8g)
Overall Diameter: 1.42 in (36mm)
Shaft Diameter: 0.20 in (5mm)
Shaft Length: 0.61 in (15.5mm)
Overall Length: 2.20 in (56mm)

COMPATIBILITY

• Pro Boat UL-19
• Pro Boat Veles 29