Breaking in a new 2001 Nissan 70HP Mod# NS-70-CEPTO. First 4 hours of break-in are completed. <br />Yesterday entailed the first attempt at 4000rpm's & it would do it. The most it would deliver was<br />about 3100 rpm's. Still running the oil at 25:1 & the plugs were cruddy so I did change them...
