It was one of my 2018 Build Off bikes. That picture was taken before I painted the front fender to match the tank. Wow, that was 3 years ago. I rode it about 5 hours total and haven't touched it since. I kind of lost interest in minibikes :-(
The 2-1/8" means it has a 2 1/8" hole in it. It takes a 420 chain and has 60 teeth and has 2 different bolt patterns.
The numbers in yellow are a reference for you to use to figure out if it fit your bike.
This forum has rules against giving values for anything. You won't get a straight answer on what it is worth. All you will get is " It is worth whatever someone is willing to give you for it ".
If someone from here wants to buy it, they will send you PM with an offer.
The 71 Black Widow is my...
You mentioned chain tensioners for rear suspension and on engine plate. I Highly recommend you mount a couple sprockets on your swing arm shaft instead. Chain tensioners work fine when riding but when you hit the brakes the spring tension will release and leave the chain loose on the top of...
I restored a Sears Puddle Jumper a couple years ago for the build off.
Here is a link to the resto. Mine didn't have a rear tensioner though. It works very well without one.
bgraves2019, It sounds like you are talking about the governor arm. (regulator arm).
A lot of guys take those off when removing the gov. Someone should have some laying around.
My opinion is they will send it to you for free if they didn't already throw it out. Make sure you get the bolt and nut...