1990's

20170525151444 1
1990's #101 evo sportster 90ci big bore lowerend assembly motor case machining tatro machine

just another bail out job from another shop. they got in over their head and call tatro machine for help.
as you can see this motor had a lot of problems that needed to be corrected or it was going to be coming back to the shop very soon. previous bad machining needed to be corrected. after all the fitments were checked and corrected the 1st shop was going to assemble the motor and bike.
this motor is 90ci with axtell 3-13/16" + .060 big bore cylinders with the stock 3-13/16" stroke crankshaft.
tatro