12 Volt Electric Starter Motor for 50cc QMB139 Go-Kart Engines ATV & Dirt Bikes This electric unit allows the

This electric unit allows the entire seat assembly to raise up 5" from its normal position

2 liter hydration bladder

This is the third generation

With a great selection like this

and the padded nylon armrests provide added patient comfort

12 Volt Electric Starter Motor for 50cc QMB139 Go-Kart Engines ATV & Dirt Bikes This electric unit allows theThis 12 volt electric starter motor for 50cc QMB139 4 stroke go kart engines is the same little starter that kicks over the engines on millions of GY6 powered motor scooters all around the world. If your go kart uses a 50cc (or 49cc) gasoline engine, then it is probably a GY6 QMB139. If such is the case, then this is the correct replacement starter motor for your kart. Please refer to the Specifications tab for dimensional data.