Portage la Prairie firefighters and RCMP were called out to a fire at about 3 this morning on 6th Street Northwest.
Officials believe thieves were trying to start a quad vehicle in the yard, and when they couldn't, they set it on fire.
Firefighters extinguished the blaze quickly.
The quad was close to a step when the fire was started, resulting in about $200 damage.
The quad was destroyed, with damage estimated at $500.
The RCMP are investigating, and no one was injured.