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Same old question
Posted: 09:57 pm Jan 20 2006
by Grayhorse
I just installed a new piston and rings as well as Rbs mod to my carb, what gas/oil ratio do you think I should go with?
Also is there a break in period on the new top end or can I just go nuts right away?
Thanks guys
ps Ilike to use Motul fully synthetic oil
Posted: 10:02 pm Jan 20 2006
by m0rie
32:1 for break-in and whatever you want afterwards depending on the oil. You should run the top end thru several heat cycle's. The shop manual should outline the procedure pretty well.
Posted: 12:40 am Jan 21 2006
by KDXer
RE: Breaking in...
It depends on who you listen too. I did the way recommended in the manual.
http://www.mototuneusa.com/break_in_secrets.htm
Posted: 08:24 am Jan 21 2006
by Green Hornet
KAY DEE EXER wrote:RE: Breaking in...
I did the way recommended in the manual.
Ditto
Run time and heat/cooling cycles
Posted: 01:35 pm Jan 21 2006
by IdahoCharley
Run time and heat cycles I agree with. But IMO also do not baby or lug the engine. I take it easy during the first heat cycle 2-3 gear with light loading. Second heat cycle 2-5 gear with moderate hard loading for several short intervals. Third heat cycle hard engine loading in 2-5 gears for approximate 15 second intervals 2-3 minute intervals with light loading (cooling) between hard engine loading pulls. Never have had a problem and rings do not show blow-by at 1000 - 1400 mile yearly intervals.
After third heat cycle I do not like to lug or chug the engine until a tank of gas has been run through it. Otherwise - run it like you normally would - that is my advice.
Good luck and have fun.