(2) mounting tabs on back side approximately 9
45mm ID of gear
approximately 3
Mounting bolt is 8mm*1
These are made to fit both but be sure to check pictures and specs for the best verification of this part
Starter One Way Drive Clutch Gear - 69 Tooth - 50cc-125cc Engine 108799 (2) mounting tabs on backStarter Clutch Drive Gear 50cc to 125cc Engine Engine Starter Clutch Drive Gear AKA primary driven gear clutch counter gear. This engine commonly used in Roketa, Lifan, SunL, Yamoto, Eagle, Baja, Tank Sports, BMX, Loncin, Hensim, Redcat, Hi Bird, Jet Moto, Taotao, Terminator, Wild Fire, Extreme and many more. Starter Clutch Drive Gear details: 69 tooth gear ID of center hole: 16. 75mm (0. 665 in) Overall Gear OD: 121. 5mm (4. 78 in) Overall height of