Of course, most of have and many still do own multiple bikes.
The subject comes up in conversation occasionally.

Thats one old Kawasaki  

so what did/do you own?
my bikes...        * denotes still owned
1. 1955 Triumph 150cc (kitted to 250) had until 1968
2. 1957 Triumph 200cc (kitted to 250) had until 1968
3. 1966 Bridgestone 90cc had until 1969
4. 1966 Suzuki 250 had until 1969
5. 1971 Yamaha 650 (kitted to 750) purchased new had until 1986
6. 1975 Kawasaki 900 purchased new had until 1976
7. 1985 Yamaha V Max 1200 hot rod purchased new had until 2024
8. 2003 Hyosung 650 had until 2024
9. 2004 Suzuki 650    *
10. 2005 Kawasaki 250    *

autos/ hot rods
1. 1958 Plymouth Savoy 318 hot rod had until 1968
2. 1968 Plymouth satellite 318 hot rod purchased new had until 1975
3. 1975 Ford Maverick Grabber 5 L. (302) purchased new had until 1976
4. 1976 Pontiac T/A 455 purchased new had until 1978
5. 1978 Pontiac T/A 400 race car purchased new had until 2010
6. 1983 Dodge Shelby Charger 2.2L. had until 1987
7. 1987 Dodge Shelby GLHS Charger 2.2L. hot rod had until 1988 (stolen)
8. 1987 Dodge Shelby GLHS Charger 2.2L. hot rod had until 2015
9. 1989 Dodge Shelby Shadow 2.2Lpurchased new had until 1999(totaled)
10. 1989 Dodge Shelby Daytona 2.2L. had until 2005
11. 2005 Dodge SRT-4  2.4L. hot rod purchased new had until 2016
12. 2016 VW Golf R 2.0L. hot rod purchased new   *

last 6 cars were all turbocharged
last 2 were heavily modified