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I purchased a 1980 123 Cota for my son when he turned 13. He took to it immediately. Great bike for him to learn on. Light and nimble. Need to take care with the kick start gearing. Fragile and will break if not gentle. I put a compression release on it to make it easier to start so my son would kick the thing to death. My son is now 15, over 6 ft. tall and now rides a 348. We still have the 123. I like to ride it because it is so light. For me, needs more power. Have a 200 barrel and head for it but have not picked up a piston yet. Jeff

Thanks Bigshineybike for the reponse and info. You are correct on the 348 having a round crank. Just finished cleaning it in preparation for pressing out the crank pin. From my 348 parts book the crank p/n is 5160.007. I located a 1980 349 Cota parts book on-line and it lists the crank p/n as 5160.00702. What gives with the extra "02"????. I'm going to pull the 349 head and barrel tomorrow night and see if the crank is round. Thanks again. Jeff

Greetings. My Son and I ride '76 348 Cotas and I'm building another. On the builder, the frame and suspension are done with the engine in need of a complete going though. Needs a new big end and rod as well as a piston and rings. I've 2 options. Use a good 349 engine I have or building the 348 with some of the 349 engine internals. Using the entire 349 engine looks to be a straight swap and would allow me to ride the 3rd Cota sooner (my Brother is bugging me to ride my running 348). Might be a bit of fun with more punch or a good way to crack my head! A few questions as I do not have a 349 parts book: 1. Are the 348 and 349 crankshaft and rod the same? 2. Will a 349 piston/barrel fit a 348? Any opinions greatly appreciated. Best Regards, Jeff in Northern California

Hi Ian, Picked up a 200 Cota for my 14 year old son. In pretty good shape. I could use a copy of the manual if you would be so kind. Also looking for a piston. Know of any goods sources for one? Best Regards, Jeff jeff_durant@comcast.net

Just purchased a 1980 29M 123 Cota for my son. Hoping to get it fully functional so he can ride with me(my bike is a 348 Cota). It came with a spare 123 Enduro Engine. I too am considering swapping to a 200 piston, barrel and head. Looking for a barrel, head and Piston. Have some parts to swap. Any help appreciated. Jeff in Northern California