50cc Long Case 4-Stroke GY6 139QMB Scooter Engine with Automatic CVT Razor E275 Here is the battery/motor replacement

Here is the battery/motor replacement cover for all versions of the Razor MX500 & MX650 Dirt Rocket dirt bikes

Red - Power On

you just won't get far at all

black foam filled low-profile design

It can be used on 50cc street machines

50cc Long Case 4-Stroke GY6 139QMB Scooter Engine with Automatic CVT Razor E275 Here is the battery/motor replacementHere is our complete 50cc Long Case 4 stroke 139QMB gas scooter engine with automatic CVT transmission. This complete, brand new replacement 50cc 4 stroke GY6 139QMB Chinese built engine is the perfect time and money saver. Instead of spending money for costly repairs to a tired 50cc 4 stroke GY6 or waiting for the repair shop, simply swap in this high quality 50cc 4 stroke GY6 139QMB gas scooter engine. This complete engine includes electric starter,