Last season

slayerman5 · 03-09-2021, 10:59 AM

Ok guys last season the bike runs well ,now when i open the throttle he lose power and than increase it when is hot seems better some reason carb cleaning or smthn with the petcock?

Vegas Street Rider · 03-09-2021, 04:20 PM

How long did your bike sit idle? Did you treat the fuel in your tank with Stabil or another gas treatment product? It could be shellac build-up in your fuel system.

I like to run Seafoam in my fuel about every 6 months or so now that my GZ is no longer my daily rider. 1 oz. per gallon capacity. It keeps everything squeaky clean.

You might have sediment on the inlet screen of your petcock or build-up behind the diaphragm. Options : drain tank, check petcock inlet, take petcock apart and clean, and if all else fails, clean carburetor.

slayerman5 · 03-10-2021, 03:11 PM

Hi again , yea i use stabilizators also a high octane fuel, i will check again because a snow fell here again, but i think the air fuel mixture is too lean , because when i open throtle , it seems bad acceleration ! Could it be a reason? On idle and on low rps with smooth throttle open is ok than max throttle and goes bad?

Vegas Street Rider · 03-10-2021, 07:07 PM

It could be a stuck float. Also, you might want to start it up and run it with the petcock set on prime to see if that makes a difference. I would think that would determine if the diaphragm in the petcock is bad. Worth a try.

GZ300 · 06-18-2021, 09:33 PM

Clean the carb it takes 30 minutes. Sheesh.

03-09-2021, 10:59 AM	#1
slayerman5 Junior Member Join Date: Oct 2019 Posts: 26	Last season Ok guys last season the bike runs well ,now when i open the throttle he lose power and than increase it when is hot seems better some reason carb cleaning or smthn with the petcock? Login or Register to Remove Ads
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03-10-2021, 03:11 PM	#3
slayerman5 Junior Member Join Date: Oct 2019 Posts: 26	Hi again , yea i use stabilizators also a high octane fuel, i will check again because a snow fell here again, but i think the air fuel mixture is too lean , because when i open throtle , it seems bad acceleration ! Could it be a reason? On idle and on low rps with smooth throttle open is ok than max throttle and goes bad? Login or Register to Remove Ads
	0

03-10-2021, 07:07 PM	#4
Vegas Street Rider Senior Member Join Date: May 2015 Location: Henderson, NV Posts: 1,108	It could be a stuck float. Also, you might want to start it up and run it with the petcock set on prime to see if that makes a difference. I would think that would determine if the diaphragm in the petcock is bad. Worth a try. Last edited by Vegas Street Rider; 03-10-2021 at 07:10 PM.
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06-18-2021, 09:33 PM	#5
GZ300 Junior Member Join Date: Jun 2021 Posts: 25	Clean the carb it takes 30 minutes. Sheesh. Login or Register to Remove Ads
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03-09-2021, 04:20 PM	#2
Vegas Street Rider Senior Member Join Date: May 2015 Location: Henderson, NV Posts: 1,108	How long did your bike sit idle? Did you treat the fuel in your tank with Stabil or another gas treatment product? It could be shellac build-up in your fuel system. I like to run Seafoam in my fuel about every 6 months or so now that my GZ is no longer my daily rider. 1 oz. per gallon capacity. It keeps everything squeaky clean. You might have sediment on the inlet screen of your petcock or build-up behind the diaphragm. Options : drain tank, check petcock inlet, take petcock apart and clean, and if all else fails, clean carburetor.
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