Breaking-in period ZX636R

[Saki]

well bike has gone in today for its 1000k'er
should b interesting when i get it back all run in with the good oil

[Aussie Ninja]

Just to reserect this thread I came across this today. http://motorcyclebreakin.com/
There's some pictures for people like me that can't read their words so good.

[Saki]

hmm this sort of makes me wonder if my bike has been run in properly or not, when i was "breaking" mine in i was riding it to about 8-9k most gears and i would "load" the motor rather than just ride the balls off it.
Riding up the highway i would sit in 5th or 6th and then go from 100-120 on 100% throttle then back down to 100 then go 100% throttle again and i wouldn't sit on just on 1 rev amount of revs.
Through the street, i would take off in first goto 5-6k then second and just keep jumping the revs around, maybe going up some hills in 3rd or 4th just to load the motor up. sound alright ?? anything in there that might be some cause for concern ??

i spose the dyno is really the only way to find out tho!

[Gosling1]

hmm this sort of makes me wonder if my bike has been run in properly or not, when i was "breaking" mine in i was riding it to about 8-9k most gears and i would "load" the motor rather than just ride the balls off it. ....., maybe going up some hills in 3rd or 4th just to load the motor up. sound alright ?? anything in there that might be some cause for concern ??....

When running-in a new motor, you should never 'load' the engine up like you have described, as this may cause the cyclinder bore to 'glaze', and the piston-rings to stick in their grooves - reducing compression and causing problems later on.

Best bet for running in ? Don't load the motor, keep the revs well under redline for the first 1000km, make sure you change the oil at 1k and 2k, and did I mention don't load the motor ? Letting it 'lug' up hills in too high a gear is not good for a new motor.

Recommend that new motors aren't put on a dyno until 10k is reached. Do a compession test before the dyno, if you have more than 10% difference between cyclinders, you *may* have compression issues related to piston/cylinder problems...