When I rebuilt the engine in my 240sx I used this guy's break-in instructions and it WORKED really well. The engine compression numbers were great after the first 25 miles and the first oil change.
My decision to use a cheap Chinese turbo is what killed that engine. The turbine blades chipped apart while under boost and went into my engine. Once I pulled the engine apart, the pistons looked great except some scratching along the skirts from the chips getting mixed up in the oil.
You'll probably find plenty of opinions both for and against this method. I had seen that, too, shortly before I rode my new bike home from the dealer. It's been discussed somewhere on this forum before.
I broke mine in according to the manual, but I was a little bit harder on it than Suzuki recommends. I also did my first oil & filter change at 200 miles, and again at 700 miles. Been using plain old Rotella-T since the first oil change.
RandyO made a very good statement in the last sentence of this post:
It comes with a book. Break in by the book takes only a couple of days if you dedicate yourself to learning the bike and riding. 5,000 RPM will get you to 70 MPH on the highway.
Remember that on a motorcycle there are other parts that are wearing in as you ride (the entire transmission, for example). Now I admit I've only been riding and driving for 47 years (had a birthday), but careful break in has always worked for me.
The engineers who designed the bike know best. RTFM (read the F**king manual). If you follow some other screwball's idea and the bike breaks down, you only have yourself to blame. If you follow the manual and the bike breaks down, it's Suzuki's fault.
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