New footage of Vexacus
Once you see Zurgane's Zord then that is when it goes back to Sentai footage.
New 
 
Once you see the Hurricane Megazord is when it goes back to Sentai footage.
Back to Sentai, here's a bottom shot of Zurgane while in the Zord Bay
The footage of the Hyper Zurganezord that plays on the Super Computer Monitor is Sentai footage.
After the morph sequences end, it then cuts back into Sentai footage of the Hyper Zurganezord.
This split screen effect showing the 6 Rangers reacting is Sentai footage however they are the first thing that originates from Hurricanger 43 however each of the 6 cockpit shots in Hurricanger were individual.
The footage that plays on the Super Computer Monitor while Sensei is using it as a communication device, the footage on the monitor is Sentai.
Back to new  
Back to Sentai 
Back to new 
Back to Sentai
Back to new
This shot of Zurgane is a scene that I'm unsure about.
This is definitely new footage
Back to Sentai
New
Sentai
New footage 
Back to Sentai
Back to new 
Back to Sentai
New footage
Back to Sentai
New
Back to Sentai
New
Once you see the shot of the 3 Ninjazords then that is when it goes back to Sentai footage.
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This shot of the Megazords is Sentai footage however they edited the shots of Shimazu and Vexacus into the Sentai footage
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This shot is when it goes back to Sentai footage.
Obviously or not, the Green Samurai Ranger playing his Lightning Riff Blaster while in the Megazord Cockpit is likely a reused Sentai shot since it's not new footage.
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This shot is when it goes back to Sentai footage.
This Megazord Cockpit shot originates from Hurricanger 46.
Sentai
New
Back to Sentai 
Back to new
Definitely Sentai