putting two 2 strokes together, its kinda been done with the suzuki RG 500 (rear tyre 83. hp @ 10000 rpm) used to have one and now i want one again.

Would be fun to make a nsr 250 x 2 square 4 but in a CBR 600 frame or even a nsr 300 x 2 square 4.
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Honda nc23 CBR400 AERO 1986, 1990 honda NC23 Tri-Arm, 1987VFR400 NC24 Rothmans Rep, NSR250 MC16 1987, CL250s 1983. Moto guzzi zigolo 110cc 1958. Fantic 50cc 1972. Suzuki Cobra Race bike 500cc 2t 1975 , GP125 1975. Triumph T110 1954. BSA Thunderbird 1955. Ariel VB 600 1952, 1990 MuZ 125 etz.