Quote:
Originally Posted by Marvin610
Is this thread still active? I've got a lifan 167fmm that I swapped on to my Honda z50 monkey. I've done a lot of research and mods to my engine. So I have found that it's a 230cc(not a 250) and makes absolutely no power stock. The reason for this is cooling issues, stock the engine oil temp gets up to 250°F
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you lose a bit of power when it's hot, but not that much. I can still get up to 70mph in summer here in AZ when its 110+f