JAP Model 4/3

Engine Type: 

4S

Manual: 

Engine Name: 

JAP Model 4/2, 4/3, 5, 6 Type 1

Engine Model: 

Model 4/3

Engine Maker: 

JAP

Carb: 

Zenith 24T2

Points: 

0.015

Source: 

Operating Manual

Timing: 

25deg

Bore: 

70

Plug Gap: 

0.020/0.025

Plug: 

Champion N8/KLG F50

Capacity: 

288

Stroke: 

75

HP: 

3.5

Notes: 

Wico A936BZ