Discussion in 'Mod Results' started by lawndoctor, Dec 11, 2012.
Hahaha seen this one already.got to give the guy credit
The same engine in a Motorcycle puts out 200 HP @ 14,500 RPM Snowmobiles work a lot harder than a motorcycle that's why Yamaha set them up to put out 150 to 165 HP at 10,500 RPM .. Obviously more aggressive camshaft higher compression ect.. will add some HP ..
20,000 RPM wonder how they gear it down ? would use 10 gallons of Kerosene in about 10 miles ..
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