4wd gearing. Motor temp etc

[tonydevon]

What sort of motor temp is safe?

My 4wd this weekend was coming in after 5 mins with can temp of 90 to 92 degrees c

Car felt a bit soft on power.

Zero boost
Zero turbo.

Hw 2.1 esc
Orca 6.5 tx motor.

Pr SB401 buggy running 22/77 pinion and spur.

Could do with a bit more grunt from it
But with temps like that im nervous of boost or turbo.

Is it maybe time to look at a new 5.5 motor