pcrussell50
01-17-2010, 02:01 AM
got a good running, 1975, bubbleback, 135hp v4 crossflow. just trying to plan ahead, if/when it comes time to rebuild it, i have a couple of questions:
1] some later models were 140hp. i wonder how hard it is to get the extra 5hp for my 135hp model? iow, what was different?
2] who here has machining and/or porting expertise for this motor? i can assemble motors myself, but wouldn't know where to begin with porting or picking rebuild parts for the extra 5 hp or how to find easy extra power out of a disassembled 2-stroke.
-peter
1] some later models were 140hp. i wonder how hard it is to get the extra 5hp for my 135hp model? iow, what was different?
2] who here has machining and/or porting expertise for this motor? i can assemble motors myself, but wouldn't know where to begin with porting or picking rebuild parts for the extra 5 hp or how to find easy extra power out of a disassembled 2-stroke.
-peter