The story is I sold my little Honda 50 onto Terrene as I wanted to build this next one. If I had kept the Honda I would have spent too much time I do not have making constant changes to it and the project would stay under my shelf.
The plan is:
I found a very cheap SR50 Aprilia on TM it had a big bore 70 kit and all the Malossi variators and electronics but ran like a dog so it's owner gave up.
1st job was to bin the cylinder and find a 50cc one. I ended up with an RS50 cylinder that the boys from ESE had sat on a bench and have spent quite a few hours matching it to the cases and vice versa.
I also have another aluminium Aprilia cylinder with twin ex ports that fits as well.
Port timing using the Aprilia piston was wild so a Barikit one was found and it is so much better.
The Aprilia piston is too long above the pin and gave me 204 and 140*
I have a semi down draft carb but still need to find a manifold.
I plan on rebuilding the crank, throwing in new bearings and seals and giving it a nudge, what could go wrong
Bookmarks