Zongshen Gearbox Bearing Upgrade Kit

Fits ZONGSHEN Engines: 
ZS140
ZS155
ZS190

These are high quality SKF bearings from Japan. (Excluding the needler roller bearings as these are only manufactured to the engine suppliers)
 
Please NOTE as of 2021 ZONGSHEN Factory changed bearing size and introduced a needle style bearing in the crank casings. Please check sizes before purchasing.
 
Bearing sizes TYPE 1:
2x Bearing = 40mm O.D, 17mm I.D, 12mm Width
1x Bearing = 28mm O.D, 12mm I.D, 8mm Width
1x Bearing = 32mm O.D, 15mm I.D, 9mm Width
GUIDE = ZS140, ZS155 (OLD STYLES)
 
Bearing sizes TYPE 2:
2x Bearing = 40mm O.D, 17mm I.D, 12mm Width
1x Bearing = 28mm O.D, 12mm I.D, 8mm Width
1x Needle Bearing = 27mm O.D, 15mm I.D, 12mm Width
Guide = ZS140, ZS155 (NEW STYLES), ZS190 (OLD STYLE)
 
Bearing sizes TYPE 3:
2x Bearing = 40mm O.D, 17mm I.D, 12mm Width
1x Bearing = 28mm O.D, 12mm I.D, 8mm Width
1x Needle Bearing = 27mm O.D, 16mm I.D, 12mm Width
Guide = ZS190 (NEW STYLE)

Item Includes:
4x Bearings