Hyper e-Stage Bore Up Kit (81cc) for 12V Monkey/Gorilla

This light bore-up kit is popular for street riding and can be easily assembled by yourself.
The e-stage allows you to increase displacement while retaining the stock cylinder head and crankshaft.
The Hyper e-stage includes the e-stage, a carburetor kit, a high-efficiency air filter, a spark plug, and a drive sprocket to change the reduction ratio in conjunction with the increased output.
81cc: Bore diameter 50mm: Compression ratio 11.5:1
Included camshaft: Sports camshaft
Compatible models
: 12V Monkey/Gorilla (Z50J-2000001/AB27-10000011899999)
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