Up Jet

tiny Scootaholic! Riding to stay sane Posts: 3,333 Location: Toronto, Ontario, Canada	Up Jet Aug 21, 2017 17:50:04 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by tiny on Aug 21, 2017 17:50:04 GMT -5 Goodie got me parts for my ZX50. Now before I add the new exhaust(its a Next-R) do I or should I up jet the carb? Or just plug and play?
	KYMCO '04 ZX50(70) & '14 Movie 150

gsx600racer
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I'm totally seriously (Cartman)

Posts: 3,617

Up Jet Aug 21, 2017 18:21:32 GMT -5

Quote

Post by gsx600racer on Aug 21, 2017 18:21:32 GMT -5

Aug 21, 2017 17:50:04 GMT -5 tiny said:

Goodie got me parts for my ZX50. Now before I add the new exhaust(its a Next-R) do I or should I up jet the carb?
Or just plug and play?

Up jet. I was running a 90 main w/ stock bore & carb.

Last Edit: Aug 21, 2017 18:23:02 GMT -5 by gsx600racer

2001 Honda Elite,Airsal 46mm Alum, ZX trans swap,(the Mrs. ride)
2003 Kymco ZX50,72cc Polini Corsa/case matched to cyl,21mm carb,Tecngas Next-R exhaust,a little variator tuning
2005 Kymco ZX50,72cc Polini Corsa/case matched to cyl,28mm carb,PG Short exhaust,16/32 gears,a little variator tuning
2008 Keeway Flash 50,Stock. CL flip or mina project. TBD
2003 Vento Zip R3,Original Form. CL flip or mina project. TBD
2006 TGB R50X,Derestricted ?,70cc,MRP Exhaust,17.5mm Carb, Stock CVT.

tiny Scootaholic! Riding to stay sane Posts: 3,333 Location: Toronto, Ontario, Canada	Up Jet Aug 22, 2017 7:05:27 GMT -5 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by tiny on Aug 22, 2017 7:05:27 GMT -5 Thanks
	KYMCO '04 ZX50(70) & '14 Movie 150

tiny Scootaholic! Riding to stay sane Posts: 3,333 Location: Toronto, Ontario, Canada	Up Jet Aug 22, 2017 13:34:12 GMT -5 via mobile Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by tiny on Aug 22, 2017 13:34:12 GMT -5 Silly question is the main jet in the stock carb 4mm or 6mm?
	KYMCO '04 ZX50(70) & '14 Movie 150

gsx600racer
Scootaholic!

I'm totally seriously (Cartman)

Posts: 3,617

Up Jet Aug 22, 2017 14:11:29 GMT -5 wiscootsin likes this

Quote

Post by gsx600racer on Aug 22, 2017 14:11:29 GMT -5

Aug 22, 2017 13:34:12 GMT -5 tiny said:

Silly question is the main jet in the stock carb 4mm or 6mm?

They are "gurtner type" and I think they are 6mm.

www.racingplanetusa.com/main-naraku-gurtner-carburetor-different-sizes-p-191819-1.html?backcPathco=25&cPath=2_622

2001 Honda Elite,Airsal 46mm Alum, ZX trans swap,(the Mrs. ride)
2003 Kymco ZX50,72cc Polini Corsa/case matched to cyl,21mm carb,Tecngas Next-R exhaust,a little variator tuning
2005 Kymco ZX50,72cc Polini Corsa/case matched to cyl,28mm carb,PG Short exhaust,16/32 gears,a little variator tuning
2008 Keeway Flash 50,Stock. CL flip or mina project. TBD
2003 Vento Zip R3,Original Form. CL flip or mina project. TBD
2006 TGB R50X,Derestricted ?,70cc,MRP Exhaust,17.5mm Carb, Stock CVT.

Post by tiny on Aug 21, 2017 17:50:04 GMT -5

Post by gsx600racer on Aug 21, 2017 18:21:32 GMT -5

Post by tiny on Aug 22, 2017 7:05:27 GMT -5

Post by tiny on Aug 22, 2017 13:34:12 GMT -5

Post by gsx600racer on Aug 22, 2017 14:11:29 GMT -5

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