Mgtf 135 1.8 swap for 125cc+ scoot

Description:

Mg tf 1.8 petrol 135bhp 58000 miles
Good roof
Runs and drives as it should
Just spent £650 on it on head skim, cam belt and water pump and head gasket replacement
Brakes need attention
Needs welding on inner and outer sills for mot
Been sat for 2 months now so battery is flat but can jump it to show it running.

I value the car at £400-£500 i have nearly £1200 in it but it isnt used enough to warrant the repair cost, id like a 125+ scooter to take my autistic little boy out and about as the bigger bikes are too noisey for him.