rudra2k14
New Member
Is there any RPM or SPEED limits for RC390 before 500 or 1000 kms ?
gbabyracing
Member
I think the manual recommends 7500 RPM max for 1000kms. Cant say I followed that exactly 
Treachery
Moderator
I believe it's 7K RPM.
I was real diligent about that...yeah.
I was real diligent about that...yeah.
A1VW2NV
Member
Break her in hard(ish)!!
Run those rings in HARD! Bring it up to temperature and run it under heavy power with varying load levels.
Break In Secrets--How To Break In New Motorcycle and Car Engines For More Power
You only get so many miles to get those rings seated! Don't get them seated in and they never will.
desmo
New Member
It says the first 20 miles... Wow.
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