Manufacturer Honda

Kit Part Number K9070

Engine Code B17A1

YOM From 1992

YOM To         1993

Piston number

K9070D050I, K9070D150I, K9070D200I, K9070D300I, K9070D350I, K9070D400I, K9070DAI

Bore Size

81.5mm – K9070D050I, 81mm – K9070DAI, 82.5mm – K9070D150I, 83mm – K9070D200I, 84.5mm – K9070D350I, 84mm – K9070D300I, 85mm – K9070D400I

Stroke 87.2mm

Compression Height 30mm

OEM Comp Ratio 10:01

Number of Rings 3

OEM Rod Length 138mm

Clip Part Number CW21

Pin Size 21mm

Pin Part Number WP013

Cylinders 4

Valves Per Cylinder 4

K9070DA 10.3:1

K9070D050 10.4:1

K9070D100 10.5:1

K9070D150 10.6:1

K9070D200 10.7:1

K9070D300 10.9:1

K9070D350 11.0:1

K9070D400 11.1:1

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