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10th January 2023
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XL FORUM TEAM MEMBER
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Join Date: Jun 2011
Location: On a farm
Posts: 7,299 Sportster/Buell Model: XL77.2R Sportster/Buell Year: 2006
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Hanging a H-D engine by the head; beef up those bolts that hold the top end to the base. 9/16" grade 8 bolted directly in the base modified with steel inserts.
90 cubic inches bring you to a 750 Cool.
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10th January 2023
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Biker
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Join Date: Mar 2019
Posts: 97 Sportster/Buell Model: Blast Sportster/Buell Year: 2002 Other Motorcycle Model: Honda CB400t with Nitrous Other Motorcycle Year: 1980
Reputation: 10
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Actually it's only about 600cc because the blast (and XB9) has a shorter stroke than other sportster type engines. But either way, it's a very large motor for a blast lol
It wouldn't hurt to reinforce the mounting, but I'm essentially using the stock motor mounts, so I'm not super worried about it. And combustion chamber pressure is probably more force than the weight on the studs anywho. But that's definitely something I'll consider doing.
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