Motor Break-in

losthope · Post by **losthope** » Wed Aug 27, 2008 4:30 pm

id like to here your personal break in methods. please include what oil you use and what ratio. thanks

Kenny_McCormic · Post by **Kenny_McCormic** » Wed Aug 27, 2008 4:42 pm

Cheap oil 25:1 put put around and gun it every once in a while. After 100 miles run good oil at 25:1 and do whatever you want.

Dac · Post by **Dac** » Wed Aug 27, 2008 4:49 pm

you taking breaking in new rings? maybe a new piston?

or breaking in a full bore kit?

Kenny_McCormic · Post by **Kenny_McCormic** » Wed Aug 27, 2008 4:50 pm

He said premix so im assuming he is talking about a kit.

losthope · Post by **losthope** » Wed Aug 27, 2008 5:13 pm

new crank, bearings,seals, new stock piston,rings,honed cylinder, next spring/summer i will be doing a corsa with all the goodies. i am pre mixing.

losthope · Post by **losthope** » Wed Aug 27, 2008 5:15 pm

Kenny_McCormic wrote:Cheap oil 25:1 put put around and gun it every once in a while. After 100 miles run good oil at 25:1 and do whatever you want.

when you say cheap oil do you mean non synthetic?

Dac · Post by **Dac** » Wed Aug 27, 2008 5:19 pm

i always use honda oil, for break in and normal riding.

i say dont go past like 25mph for the first 100 miles, and just all around go easy on it.

keithw · Post by **keithw** » Wed Aug 27, 2008 7:10 pm

I put a couple extra caps full of injector oil in the fuel tank for the first few tanks, varied the speed and didn't wind it out all the way. After a couple of tanks of fuel it should be good to go.

keithw

eddeblecourt · Post by **eddeblecourt** » Wed Aug 27, 2008 9:31 pm

what are your opinions for break in when just replacing rings

losthope · Post by **losthope** » Wed Aug 27, 2008 9:59 pm

so do you guys use non synthetic for break in? what ratio should i run after break in?

Kenny_McCormic · Post by **Kenny_McCormic** » Thu Aug 28, 2008 1:50 am

Ratio is pretty well argued over but the more oil you use the more power you make, more oil=better seal, better seal=stronger intake pulse sucking more fuel in. After break in 25:1 is all I would ever run in a bored or high performance motor, 32:1 for other stuff (small saws the 90cc 5ft bar beast gets 25:1, weed eaters, etc.).

losthope · Post by **losthope** » Thu Aug 28, 2008 9:23 am

so do you guys use non synthetic for break in?

losthope · Post by **losthope** » Thu Aug 28, 2008 9:24 am

so do you guys use non synthetic for break in? and do i retorque the cylinder after heat cycles?

Kenny_McCormic · Post by **Kenny_McCormic** » Thu Aug 28, 2008 1:53 pm

I would,, its pretty common practice. You might want to check with a torque wrench if your worried.