Bapple1403 Posted October 27, 2021 Member ID: 841 Content Count: 10 Reputation: 0 Joined: 01/09/2021 Status: Offline Last Seen: January 2 Share Posted October 27, 2021 So is the hd9 just a detuned hd10 or is it a complety different motor.. I see they are the same CC's so it struck my curiosity.. On a side note of course they put a different motor and more hp after I buy a 2021 hd8 dps cab.. O well its a proven setup atleast Link to comment Share on other sites More sharing options...
Johnnymac10 Posted November 6, 2021 Member ID: 1,319 Content Count: 3 Reputation: 0 Joined: 11/06/2021 Status: Offline Last Seen: January 14, 2022 Share Posted November 6, 2021 Also wondering the same Link to comment Share on other sites More sharing options...
Johnnymac10 Posted January 1, 2022 Member ID: 1,319 Content Count: 3 Reputation: 0 Joined: 11/06/2021 Status: Offline Last Seen: January 14, 2022 Share Posted January 1, 2022 Bapple1403 did you ever get an answer ? Link to comment Share on other sites More sharing options...
Bapple1403 Posted January 1, 2022 Member ID: 841 Content Count: 10 Reputation: 0 Joined: 01/09/2021 Status: Offline Last Seen: January 2 Author Share Posted January 1, 2022 No Link to comment Share on other sites More sharing options...
Johnnymac10 Posted January 3, 2022 Member ID: 1,319 Content Count: 3 Reputation: 0 Joined: 11/06/2021 Status: Offline Last Seen: January 14, 2022 Share Posted January 3, 2022 I can't find any info at all on the 976 cc rotax being called a hd9 or hd10 and several different horsepower ratings. It's a big secret I guess. I don't understand why nobody knows ? Link to comment Share on other sites More sharing options...
Steelslinger Posted January 5, 2022 Member ID: 338 Content Count: 245 Reputation: 68 Joined: 02/07/2020 Status: Offline Last Seen: November 21 Share Posted January 5, 2022 HD9 has smaller heads and is basically detuned to lower horsepower vs. the HD10. Someone on the Facebook groups had posted a list of all the part numbers that were different. Link to comment Share on other sites More sharing options...
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