O Old School Cat Free Member Dec 1, 2021 8 8 3 Spokane Washington Jan 22, 2022 #1 Bought an old ultra with crankshop triples on it and wanted to know the peak power rpm’s. I rode an 800 engine tech ultra for ever and only ever used PSI mod blasters. So very familiar with the power plant and jetting.
Bought an old ultra with crankshop triples on it and wanted to know the peak power rpm’s. I rode an 800 engine tech ultra for ever and only ever used PSI mod blasters. So very familiar with the power plant and jetting.