Larry, check the heads closely to make sure that they are the same part
number on both sides. If one is different it could explain why the 2
cyls on each side are similar but so different from the other side.

Mark

Larry Chase wrote:
>
> Folks,
>
> Not being a gear head ...... would I be safe in assuming that a 2.1 WBX
> Engine with the following compression readings is in need of a rebuild?
>
> 1=130, 2=125, 3=160 and 4=165
>
> Larry Chase
> 85 Westy "RoadHaus"
> Mesa,  AZ