BIKE OF THE MONTH


March 2024 Bike of the Month
Bike of the Month Casey Moir of Costa Mesa with his 1970 Honda US90 Trike

Make: Honda
Model: Honda US90
Year: 1970
Country of Origin: Japan
Engine: 90cc Single 2-Stroke
Transmission: 4 speed
Owner: Casey Moir
City: Costa Mesa

1984 Yamaha RZ 485 Custom

Congratulations to Casey Moir of Costa Mesa for winning Bike of the Month with his 1970 Honda US90 Trike. Casey won a plaque provided by Russ Brown Motorcycle Attorneys.

Casey grew up in Nipomo, CA just north of Santa Maria. In 1970, Casey's cousin bought a brand new Honda US90 from Santa Maria Speed Marine. He and his cousin rode it all over Pismo Beach dunes as a kid.

A month ago Casey picked up two US90s and red one and the blue one. He just finished the restoration. A few unique features about the US90:
  • It has a four speed automatic clutch transmission, that also has a High/Low range gearbox selector.
  • The original tires were mounted on 3" rims and are made of unubtanium... extremely expensive to find. Casey replaced his with 8" aftermarket rims.
  • The 90cc single cylinder engine is rope start like a lawn mower.
  • The frame is hollow sheet metal, and the vehicle is designed to float.
Casey has been into Hot Rods and motorcycles all his life. His personal website has some pretty cool projects he's been involved with. CaseyMoir.com

1988 The End of an Era
In 1988 manufacturers signed a consent agreement with the US Government to discontinue manufacturing three wheeled vehicles for the US market. here's an article from PartZilla for more information: Why Three Wheel ATVs were banned in the USA

Thank you, Casey for bringing your US90 out for all of us to see. See all the photos in our March 2024 Gallery.

The Bike of the Month contest is held monthly at the Vintage Bike OC meet. Qualifying motorcycles must be 30 years old or older. Former Bike of the Month winning bikes are not eligible to win again. Anyone attending the meet is eligible to enter a qualifying bike in the contest and vote for their favorite bike. The winning bike is chosen by a popular vote and is featured on the Home page for one month and in this feature article. The Bike of the Month articles are permanent content on the site.

Bike of the Month Gallery
Photo gallery of all the Bike of the Month winners.
previous Archive next
March 2024
1970 Honda US90 Trike
February 2024
1984 Yamaha RZ485
January 2024
1993 Moto Guzzi 1000S
December 2023
1953 Moto Guzzi Falconi
November 2023
1961 BSA D1 Bantam
October 2023
1964 Honda CB77 Super Hawk
September 2023
1966 Honda S90
August 2023
1973 BMW R75/5
July 2023
1974 Honda XR75
June 2023
1975 Honda MT250 Elsinore
May 2023
1947 Indian Chief Bobber
March 2023
1982 Kawasaki GPZ1100
February 2023
1975 Yamaha RD125B
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