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Re: need help with jeting
Posted: Tue Nov 29, 2011 2:23 am
by HELLAFLUSHED!
138/52, needle clip in the middle position, 39g or 42g weights, w/ 2000 yellow center spring. That should be about right and work well, but always remember that every bike is different. Also depends on how you (the rider) want(s) it. Make sure your a/f mixture is correct too. Improper settings can also be a cause to your problem.
Read this! Very helpfull tips on jetting. Found this in the tech-docs:
http://scootrs.com/tech.cfm?tip=tunecarb
Goodluck!
Re: need help with jeting
Posted: Tue Nov 29, 2011 1:34 pm
by molokai808
ok what r sum jets i should look in to jus so i no that i can play around with. pilot an main
Re: need help with jeting
Posted: Tue Nov 29, 2011 3:13 pm
by Mystic
taipai scooter assassins sells sets of 5 or 10 different jet sizes both main and pilot. do a search on ebay for OKO/PWK jets
I carry 5 mains and 5 pilots in my glovebox for on the road tuning for different conditions
Re: need help with jeting
Posted: Tue Nov 29, 2011 5:01 pm
by kingkamehameha
Cuz call me up I lost your numba
Re: need help with jeting
Posted: Wed Nov 30, 2011 4:51 pm
by molokai808
ok so i jus ordered a 50,52,55,140,142,145 jets now i jus need to wait on it to * in. with this jets wut should i try jus the 52 first and then go from there.plz let me no
Re: need help with jeting
Posted: Wed Nov 30, 2011 5:00 pm
by kingkamehameha
Jet down to 135 after break in. Those jets you just ordered are wayyyyyy to big. 138 is the biggest I would go.
Re: need help with jeting
Posted: Wed Nov 30, 2011 5:04 pm
by molokai808
so the 138 going be good foa now, an jus play with the 52,
Re: need help with jeting
Posted: Wed Nov 30, 2011 5:50 pm
by kingkamehameha
Yup. Turn your af screw all the way in and turn um out quarter turn at a time til the rms pick back up. That's your starting point for tuning the air fuel
Re: need help with jeting
Posted: Wed Nov 30, 2011 9:04 pm
by molokai808
ok i cant wait till i get um tomorrow. so untill then im jus going to be looking up on fine tuning. thanks for all the help....
Re: need help with jeting
Posted: Tue Dec 06, 2011 6:22 pm
by molokai808
ok well i got my jets an im using the 52 jet an to me it feels better then the 48, so now my bike goes an now i need to no wut is a good gearing i have is 7.6. i would like to hit sum speed of like 60 +. and no i dont want to stroker, i jus want to go all motor. so if anyone could give me sum advice plz let me no.
Re: need help with jeting
Posted: Tue Dec 06, 2011 8:57 pm
by Bear45-70
Top speed is not just a matter of changing gears. You must have enough horsepower to push the scooter that fast.
need moa power, HOW?
Posted: Wed Dec 07, 2011 1:12 pm
by molokai808
ok i got my jets in and i like how my bike feels now. i jus was wandring how can i get moa power out of my bike. at this point im thinking of geting me a new bore kit, im looking at the polini corsa. on my block i didnt cut the boost port cuz i didnt no about that till after i instald the 78cc. so if anyone out there can help let me know
Re: need help with jeting
Posted: Wed Dec 07, 2011 1:32 pm
by tazland001
If you running a dio engine it dont matter if you cut the boost port out. I have cut the boost port on several engines and feel no defference in performance. Its not like your gonna gain 5mph and more acceleration with the boost port cut. Why dont you port and polish the cylinder and intake and then do the boost port for * and giggles. If you port the cylinder correctly you can add lows, mids, highs depending on how you port it. You can go up to 50mm BBK and that will help with a little power. But you should just fine tune your set up.
What are you trying to get?? More lows, mids, or top???????????????
Taz