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Motor Weights

boondocker97

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Lifetime Membership
Oct 30, 2008
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Billings MT
Not sure. Everything on the 800 power plant is larger. Dry weight on a 153 M7 was 465lb and the 2007 M8 was 485lb with the same chassis and suspension. M8 had larger exhaust and reverse in the diamond drive to add weight. Figure 7lbs for the reverse and 3-5lbs in the exhaust and you're at a 8-10lb spread for the motor. 800HO got a 4lb lighter crank from the old 800 so they might only be 4-6lbs apart if you're lucky. Just my guess though.
 
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