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Yamaha 2 Stroke 200 Twin powered car

Started by Evans Ward, June 24, 2024, 07:15:44 AM

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Evans Ward

June 24, 2024, 07:15:44 AM
Anyone know anything about this vehicle? I would think it would take a really hot modified mill to move it quickly due to the power to weight ratio?
1984 Yamaha RZ350
1976 Suzuki GT750
2004 Honda Helix

BlueR32

#1
June 24, 2024, 09:21:23 AM Last Edit: June 24, 2024, 09:22:58 AM by BlueR32
That's a Berkeley. My Dad had one of these back in the 1970's in Ireland and used it as his daily driver. It had the original 2-stroke twin Excelsior 350cc motor running on premix. Three speed gearbox. Fiberglass body so the car is incredibly light. Would not break any land speed or acceleration records but I can remember it getting up to about 60mph when he would take me to school in it! Incredibly fun car, I wish we'd kept it. I believe there was also a version with a 750cc triple motor (also Excelsior).

Evans Ward

#3
June 24, 2024, 10:46:34 AM
Interesting! Have heard of a Berkeley but know nothing about them. I'll have to read up on them and thanks for finding and adding the link! Bet it was fun growing up riding in one of those!  :thumbs:
1984 Yamaha RZ350
1976 Suzuki GT750
2004 Honda Helix

SoCal250

#4
June 24, 2024, 11:27:40 AM
There was a Berkeley that used to show up at the annual 2-Stroke Extravaganza. It was red IIRC. I have photos of it somewhere.
75 Yamaha RD125B   75 Yamaha RD125B (project)
75 Yamaha RD250B   75 Yamaha RD200B (project)
73 Yamaha RD350     77 Yamaha RD400D   79 Yamaha RD400F  
91 Yamaha TZR250R  89 Yamaha FZR400   05 Yamaha FZ6   
05 Yamaha XT225TC  82 Honda MB5  02 Aprilia RS250 Cup (sold)

Evans Ward

#5
June 24, 2024, 06:28:59 PM Last Edit: June 25, 2024, 07:20:20 AM by Evans Ward
I did some reading and viewing... made in the UK and a microcar weighing only 680 lbs!!  :smiley:  Very tiny too..
1984 Yamaha RZ350
1976 Suzuki GT750
2004 Honda Helix

SoCal250

#6
June 24, 2024, 10:31:32 PM
Yep they're small
75 Yamaha RD125B   75 Yamaha RD125B (project)
75 Yamaha RD250B   75 Yamaha RD200B (project)
73 Yamaha RD350     77 Yamaha RD400D   79 Yamaha RD400F  
91 Yamaha TZR250R  89 Yamaha FZR400   05 Yamaha FZ6   
05 Yamaha XT225TC  82 Honda MB5  02 Aprilia RS250 Cup (sold)

BlueR32

#7
June 24, 2024, 10:50:55 PM
History of Berkeley here:
https://en.wikipedia.org/wiki/Berkeley
Our family has fond memories of this little beast. We nicknamed it the "Berkeley Banger" due to the morning start-up and smoke screen as Dad let it rip down our street. As you can imagine the neighbors were not as amused as we were.

IR8D8R

#8
June 26, 2024, 04:10:32 PM
A staggering 18 bhp originally. The RD engine is nearly triple the power.

Should do at least 80mph now. Love it!

IR8D8R

rodneya

#9
June 27, 2024, 11:54:54 AM
Quote from: IR8D8R on June 26, 2024, 04:10:32 PMA staggering 18 bhp originally. The RD engine is nearly triple the power.

Should do at least 80mph now. Love it!

IR8D8R

The exhausts on that thing dont look like they will do much to make any kind of power.
Cool little car though.
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