honda atc 200M updating problems carb !!!!

[superjeff97500]

hello i am rebuilding my 84 honda atc 200 m , with a WISECO 10.25: 1 , a UNO air filter and a black DG exhaust, i know that the main jet original is a 95 but i would like to know what size of jet I must use for this .....Thank you for your help ...!

[125Mmadness]

It depends on your elevation but, I would start with a 200x carb because it is 2mm bigger and will suit your mods well. What is your elevation?

[superjeff97500]

100 meters only ..! i bought a new mukini carb on eBay so when i full throttle the motor run out !

[fieldy]

You bought the same size carburetor as a replacment? Was the origional a Keihn, just asking.

[superjeff97500]

yes it's the same 22 mm , original is KEIHIN ...

[barnett468]

.

If you are using the original factory carb, I would try a 110 then try different positions on the needle clip and check plug color after after around 20 minutes as long as it runs decent. I would also possibly try a one size bigger pilot jet.


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[superjeff97500]

yes original carb ( but i have a new mukini from eBay here) i ordered 100 ,105 and 110 ,118 pilot jet ( i have only 3660 full rpm)

[BenATC185S]

Aren't the Pilot jet sizes for Mikuni much small for the Keihin Equvilent? So like a 38 Keihin pilot jet is a Mikuni size 17 or something?

[superjeff97500]

247496hello i have a new carb (JIELLI 27mm on ebay) is it better or should I keep the old one? if i use a new jielli 27 mm carb ,what pilot jet should i use please??? (video with 118 main jet )
-https://www.ebay.fr/itm/Carburetor-FITS-HONDA-ATC200M-ATC-200-M-1984-1985-NEW-Carb/270920908086?hash=item3f1424fd36:g:5eEAAOSwPe1T6kh b

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[superjeff97500]

Good evening I tried everything with my carburetor JIELI ebay but nothing goes to the nozzle 128, I dropped and I come back with my original carburetor ..!

[superjeff97500]

With the oem carb the 105 main jet i have 6000 rpm . the motor run good ...! is this correct ?

[superjeff97500]

it' s no good very bad i must change my carb for higher what's size ??