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Discussion Starter · #1 ·
Starting off I have barely worked on bikes.

I have a 2019 grom with a TB PARTS 186cc bore with cam shift and oil cooler(yes I know unnecessary) aswell as a power commander V.

Having bugger all power at low revs and hard to start as if it isn't getting enough fuel, I've been looking at a new injector... pcx150 or preferably koso 170cc high flow.
Is there any that I should be getting to go with my 186cc bore kit(tb parts doesn't sell one) and do I need an assembly kit to go with it. Unsure since I know bugger all 馃ぃ thanks guys
 

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I see that. I was just showing you the DHM pair the PCX150 injector with the kit you have, so that would be a good one to buy
 

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but I doubt just replacing the injector will get your bike running right, you probably need to play around with the power commander
 

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as someone with a 186 kit , I suggest you also change your rod for a forged one, add a high Flo oil pump, manual cam tensioner, cam chain arm, race head, intake , manifold, and tb. also I suggest aracer ... its a much better tuner.
 
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