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What makes the difference? 170i

Posted: Sat Nov 05, 2022 7:11 pm
by GenBud170
What makes the 170i/168cc what it is vs a 150cc? What internally makes it a 168cc? Will 61mm big bore parts make any difference? Lastly, will any upgrades work with the fuel injection or should it be converted back?

Re: What makes the difference? 170i

Posted: Mon Nov 07, 2022 5:03 pm
by Kaos
A larger bore is what makes it 168cc vs 150cc. The stock bore of the 170i is already 61mm, so a 61mm kit won't net you anything extra.
Leave the fuel injection, its better than carbs are and can self adjust. Unless you go CRAZY with the upgrades it should never need replacing.