sd stinger

Ok so this is how it goes I'm running a SD stinger with some cheap craftsman 2 stroke mix at 16:1 the manufactures recommended break in mix and the thing starts and runs .shft.. but it will race then stall if I let it idle at a what seems like a normal idling speed while clutch is engaged. Also...

I'm new to the MB community and I'm in the middle of my first build. I'm very excited and I've been spending a couple hours every night reading the forums on here and learning from those that have come before me. I've already learned so much that I wish I had taken a different approach, but let...

I'm looking to build my first motorized bike and I have been reading the forums here for days (thanks for keeping up this wonderful site); I think I may have settled on a Firmstrong Urban Man (3 speed) as my target bike. I searched the forums and got some hits on Firmstrong stretch bikes that...

Is there any major differences between the SD Stinger and the Dax F80 engine? Is the Dax engine worth $20 more? Which engine will last longer in terms of mileage, and which one is quieter? Thanks, Feelssogood

I am looking to buy a 2 stroke engine kit online. I have narrowed my selection down to either the thatsdax kit or the SD Stinger kit. The DAX kit costs $25 more than the SD Stinger kit. Is it worth the extra $25? Thanks

Which engine lasts longer and is higher quality?

I am looking for an 80cc bicycle engine kit online for around $200 - $250. I have seen many brands of engines with kit that all look identical. Some of the engines ive seen are: -SD Stinger -Grubee -Mega Motors -Flying Horse The engine needs to be EPA approved, and something that will...