Hi everyone, I bought my first motorbike the other day, a 750s with a partially disassembled (and probably broken?) motor.
I am a complete novice. I don't have a bike license yet, I've never even sat on a motorbike before. Engines are black magic to me except the barest basics. For example, I didn't even known until after I'd bought it that the model numbers for bikes denote their CC displacement. Like I said, novice. Electrical things I understand better. Some have pointed out that it is quite big for a beginner bike, and quite large for an electrical conversion. Oh well. I've been keeping an eye out for a cheap donor bike to convert to electrical on the cheap (junk forklift or golf kart parts) for light commuting. But mostly, for a project. I have a feeling what I'm doing is sacrilege to most of you, but, for proper context, I got the bike for $20 total. Yes, $20... total. The reason I picked this bike from all others in that 15 minutes of classifies shopping is because... *it was $20 total*. It could have been any model or style of any bike, I'd never heard of or been able to identify a Honda from a Harley without reading the nameplate. I'm not a bike (or car) fan, I just had an idea "I want to convert an old bike with a blown motor into an electric bike" and then looked, and then found one being parted out. Jumped right in. That said, I do love how it looks and feels. The former owner tried to fix it up as a project bike but is old and retired and has 3 other bikes and just wanted it gone, so he'd already started parting it out. Exhaust and some other bits were already gone. So, please don't bite my head off, I've already rescued it and I haven't a hope of diagnosing or reassembling the motor. I can barely identify and count which parts are cylinders. I figured this is probably, if nothing else, different than what many of you have seen before. So, hopefully I can trade progress pics for advice. I'm pretty clueless. My first question, so I can start to plan for a motor and batteries.. Any idea how fast the tranny output range is, or the shaft:wheel RPM ratio, or, anything for me to figure out the speed I'll need to turn the shaft? (I'll probably throw away the motor and tranny and couple directly to the output shaft if the numbers ballpark correctly. Electric motors have bottomless torque, electric car conversions are usually started and left in 3rd gear). If I have to keep the tranny, I imagine it's going to be a hell of a time with a sawzall to cut off the motor side of things and find some way to interface with however the motor spinning bits turn the transmission spinning bits. Here she is/was: <https://lh3.googleusercontent.com/-1VoMMNJjwZI/WV3QfJENXyI/AAAAAAAAAAM/SCrOMmQWKpssFi4x9qLERfVs-eGzZVZ3wCLcBGAs/s1600/Nighthawk%2BPurchase%2B01.JPG> -- You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/nighthawk_lovers. For more options, visit https://groups.google.com/d/optout.
