Electrical Repair VideosThese videos have been checked over by our Thumpstar mechanics
How To Check Your Stator and Wiring
Heres a quick video on how to check your stator via a multi meter.
How to check SPARK on a Thumpstar Pit Bike
Quick video on how to check for spark, one of first steps when have a problem with your pit bike
CDI Electrics Information video
Information on CDI for Lifan, Zongshen, YX, GPX, BULL
Kill switch Infomation, MX, Motocross
Information on different kinds of Kill Switches.
CDI Electrical Information
Green plug 5-pin CDI – 95 percent of bikes have this. Measurements: Length: 61mm; width: 35mm; length with the plug: 40mm;
Performance CDI (5-pin) – Length: 75mm; width: 45mm; length with the plug: 43mm
Zongshen Race CDI (8-pin) – used on 110, 125, 140 and 155 race motor. Little expensive than the green plug ones. Measurements: width: 57mm; length: 75mm; length with plug: 93mm.
2-plug 6-pin CDI – 125’s and bigger engines use this CDI. Common CDI but definitely nothing than the other ones. Measurements: length: 66mm; width: 37mm; length with plug: 41mm.
Engine Electrical Information
Lifan 88cc – are normal good from 55cc to 125cc. Only used on smaller bikes. Engine mount measurements (universal engine mount/CRF50): eye to eye between the top and bottom mount: 152mm; top mount is 93mm and bottom mount is 82mm; Bolt is 8mm; Length of this motor: from the very top to the back engine mount is about 425mm and the width is about 28cm.