Home › Forum › Ask A Member › RDE-19 Compression numbers › Re: RDE-19 Compression numbers
July 29, 2016 at 8:44 pm
#41194
They are a bear to get a good compression test on, especially on a stand. On an electric start, the starter is necessary to get an accurate reading. If the 50 psi is true, WAY too low for a Big Twin. Between 95 and 140 is what I typically find. 105 to 120 is the average.