5/30/2023 0 Comments Ultima transmission serial number![]() ![]() ![]() Ultima® crank cases are designed to fit most OEM motorcycles built from 1984-1999 using Evolution® style engines.Please read these carefully as they will aid in installation. Some of the known fitment issues we have encountered are listed below. Fitment and Clearance Issues:Įvery effort has been made to insure these engines will install into most available frame models without modifications. It is the customer’s responsibility to insure their mechanic has proper training. Failure to do so may result in injury and even death. Ultima® Engines should be installed by a trained professional mechanic into a motorcycle for which its use was intended. Horsepower ratings on all Engines will also be greatly affected by Exhaust systems selected. ** Horsepower ratings on 120, 127 and 140 will be lower if the ‘G’ Carb or 45mm Mikuni is used without modification or replaced by a larger bore Carburetor. Ultima® engines are supplied with 92/L breathers operating but the early 84/91 system is present but plugged. General Specifications 120” - 140” Displacement CI Ultima® engines are supplied with 93/L breathers operating but the early 84/92 system is present but plugged. Ultima® Evo competition series Engines Instructions General Specifications 80” - 113” Displacement CI
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