arnold wente Posted October 3, 2024 Member ID: 1,212 Content Count: 19 Reputation: 1 Joined: 09/03/2021 Status: Offline Last Seen: December 24, 2024 Posted October 3, 2024 Does anyone know what the compression on a 2021 HD 8 should be thanks in advance
0 honda400ex2003 Posted October 9, 2024 Member ID: 1,660 Content Count: 169 Reputation: 34 Joined: 07/08/2022 Status: Offline Last Seen: December 17, 2024 Posted October 9, 2024 10.3:1 should be about 150psi, if that is the same engine that i found a spec for online. either way, 130-150psi should be what a good running engine has. steve
0 honda400ex2003 Posted October 9, 2024 Member ID: 1,660 Content Count: 169 Reputation: 34 Joined: 07/08/2022 Status: Offline Last Seen: December 17, 2024 Posted October 9, 2024 i see you had the fuel pump question as well. did you pump out the fuel and add new? is it still just popping? steve
0 arnold wente Posted October 22, 2024 Member ID: 1,212 Content Count: 19 Reputation: 1 Joined: 09/03/2021 Status: Offline Last Seen: December 24, 2024 Author Posted October 22, 2024 my nephew found problem checked compression with leak down compression tester and found that valves needed adjusting had 11,700 miles on it never had them checked now adjusted and starts great and runs great thanks for compression info 1
0 honda400ex2003 Posted October 22, 2024 Member ID: 1,660 Content Count: 169 Reputation: 34 Joined: 07/08/2022 Status: Offline Last Seen: December 17, 2024 Posted October 22, 2024 glad you got it running, that is quite a few miles on it. steve
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arnold wente
Does anyone know what the compression on a 2021 HD 8 should be thanks in advance
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