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Electrical Repair Videos

These 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.

Engines Information

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.