50cc faster than 66cc

O

oylavabeer

New Member
My 50cc is faster than my 66cc they have the same mods and simmilar km's 360 v 400, the exhaust is bluer on the 66cc, it does have better bottom end up tho 10.shft. kmh after that the 50cc is better all round same fuel mix and 44t sprocket .Should I change the exhaust? I want better top end any tips ( ive played with the e clip doesnthelp too much )
 
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Play with the main jet man, youll find a better running engine there. Search Dellorto on the site...
 
done everything else (exept the exhaust but that is next step ) will report back my findings once i get some small drill bits and a soldering iron
 
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I found my 50cc was better in the high reves and also had a good powerband. The problem with my 70 is that after a certain RPM the vibration becomes to much. So i just cruise at about 35-40km/h.
I have to admit the 70cc is alot better on fuel because i just cruise and dont hit the high RPM like i always did on my 50cc.
 
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