big bore

My son wants to convert his 1970 Honda CT70 engine to a larger bore. He sent me the stock engine along with a box containing the following items: 88cc bore kit (OEM 13101-GBO-910 Piston Kit plus OEM C70 Cylinder Bore 52mm 49CM3) New camshaft (Mini Monster P/N 200034) Cylinder Head...

This beauty was given to me by an old family friend a few years ago (Hadn't been on the rode since '95). My dad and I worked on it and after a simple carb cleaning and spark plug replacement he started right up. It's been a few years now, and I'm interested in not only getting 'Steve' running...

My k1 was getting pretty tired so I decided to do a full rebuild. Pulled it apart and the cylinder was oblong so I figured it was the best time to upgrade. I got the 51mm (85cc) kit from dratv, I also picked up the Honda hot cam and pod air filter. There's a definite jetting issue. The bike...

So, I was riding my bike often over the summer because the weather was warm and dry. I'd take it for a spin every day or two. Since October, it's been pretty consistently cold and wet (NW weather), so my CT70 KO has been hibernating, covered and dry. Yesterday, I tried to take her for a ride...