Re: Differences between ’50’s era 30, 35 and 40 hp big twins?

Home › Forum › Ask A Member › Differences between ’50’s era 30, 35 and 40 hp big twins? › Re: Differences between ’50’s era 30, 35 and 40 hp big twins?

February 3, 2016 at 9:29 pm #31301
olcah
Participant

    US Member

    Hopefully not moving too far off subject – What were the hop up mods done to go to 30 HP for 1956?