What year and model is a mongoose bike serial number snfsd08fm6982

SOURCE: 16" Girls Mongoose Pizazz Problem!!!

some bikes are like that. The rear wheel only spins with the pedals. Try pedaling backwards and see if the wheel goes back. If it does then that is normal.

SOURCE: took the back tire off of a Mongoose Racer X 7808

I hope this helps:http://www.mongoose.com/usa/eng/bmx/MongooseTemplates/downloads/OwnersMan_Mass_010307.pdf

SOURCE: New Mongoose 700c Men's Paver bike: Mongoose 700

Local bike shop determined that both wheels were defective. I took the junk back to Walmart and got a refund... PROBLEM SOLVED!!

SOURCE: Trying to determine year of a specific Schwinn Panther bicycle.

1949 is the year of this serial number
Look at this website to verify my findings

http://www.re-cycle.com/history/Schwinn/SwnB_Serial.aspx

Testimonial: "Thank you very much for taking the time to research and find the information in regard to my wife's bicycle. You have been extremely helpful. Ron"

SOURCE: Mongoose Handlebar adjustment

where the bars slide into forks there should be a allen nut on the top undo this slightly and adjust bar height then tighten up allen nut