err, 99% of quads are single cyl, and only an extremely small ammount are twin Vs, iv never herd of a i-4 quad, whereas the streetbike engine im planning on useing, ither a CBR 600 or 900, are both I-4's, this is the prob~ altho DS-650's have pritty big engine space in the chassis. drivetrain will hold up reasonably well altho i plan on getting a extended swingarm 3 or 4 in, and a stronger axel, because stock ones always bend to easy~
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no h8 only <3
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