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Yamaha F 9.9 vs T9.9 or Mercury 9.9 vs 9.9 Big Foot
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<blockquote data-quote="turbotodd" data-source="post: 357293" data-attributes="member: 7376"><p>I also failed to mention that the T9.9 is only available in 20" shaft and 25" shaft. Long and X-long. So if you have a 15 or 16" transom, the 20" will be 4 or 5" too long. As I said, it's more of a sail boat motor or kicker and nothing more. It is slow. But it makes a lot of thrust to move a displacement style hull that will never plane. </p><p></p><p>A F9.9 would be a better bet, and quite a bit faster than an earlier model 9.9 of most brands. Reason being, the horsepower rating changed. At one point the horsepower was rated at the flywheel and it was changed to be rated at the propshaft, IIRC. So did the technology. Now we have better lower units that cut through the water better, better props, etc. Just sold and prepared a F9.9 today for a customer-I was running it in the test tank while the guy was standing there talking to me and he asked me if he could see it run before he loaded it.</p></blockquote><p></p>
[QUOTE="turbotodd, post: 357293, member: 7376"] I also failed to mention that the T9.9 is only available in 20" shaft and 25" shaft. Long and X-long. So if you have a 15 or 16" transom, the 20" will be 4 or 5" too long. As I said, it's more of a sail boat motor or kicker and nothing more. It is slow. But it makes a lot of thrust to move a displacement style hull that will never plane. A F9.9 would be a better bet, and quite a bit faster than an earlier model 9.9 of most brands. Reason being, the horsepower rating changed. At one point the horsepower was rated at the flywheel and it was changed to be rated at the propshaft, IIRC. So did the technology. Now we have better lower units that cut through the water better, better props, etc. Just sold and prepared a F9.9 today for a customer-I was running it in the test tank while the guy was standing there talking to me and he asked me if he could see it run before he loaded it. [/QUOTE]
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Yamaha F 9.9 vs T9.9 or Mercury 9.9 vs 9.9 Big Foot
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