Pull the heads and measure the bore.
1300 1500 1600 all had same stroke.
If it is a 66 1300 then it has been converted to 12v.
Distributor coil generator. The 6v starter holds up well on 12v. Cranks a bit fast.
Originally a 66 1300 was 6v.
And a 67 1500 was 12v.
1300 1500 1600 all had same stroke.
If it is a 66 1300 then it has been converted to 12v.
Distributor coil generator. The 6v starter holds up well on 12v. Cranks a bit fast.
Originally a 66 1300 was 6v.
And a 67 1500 was 12v.