Australind police are currently investigating a motorcycle crash that occurred in Brunswick on Sunday night.
Police report the Harley Davidson motorcycle was approaching the Brunswick Junction town site at about 8.30pm, when the driver failed to negotiate a slight left hand bend.
The driver then lost control of the vehicle and drove on the wrong side of the road, collided with a speed limit sign and smashed into a tree.
Emergency services attended the scene a short time later after being alerted by a passer-by and the man was transferred to Royal Perth Hospital by a RAC Rescue helicopter.
The man is in a serious but stable condition.
Police report a backpack was located at the scene, containing over $30,000 in cash, 17 grams of methylamphetamine, 41 grams of cannabis and drug paraphernalia.
Inquiries are to continue.
